The Effect of Carnosine Supplementation on Musculoskeletal Health in Adults with Prediabetes and Type 2 Diabetes: A Secondary Analysis of a Randomized Controlled Trial.
We investigated the effects of l-carnosine supplementation on musculoskeletal health in adults with prediabetes and type 2 diabetes (T2D). In a well-structured clinical trial, 49 participants, all without pre-existing musculoskeletal issues, were divided into two groups. One group received 2 grams of l-carnosine daily for 14 weeks, while the other was given a placebo.
After completing the study, we found that carnosine supplementation did not lead to any significant improvements. There were no notable changes in muscle strength or body composition between those taking l-carnosine and those on the placebo. Specifically, metrics such as hand grip strength, lean mass, fat percentage, and bone health markers showed no benefits from the supplement.
Our findings suggest that l-carnosine might not be a helpful strategy for enhancing musculoskeletal health in individuals with prediabetes and T2D. While our study was comprehensive, further research with larger participant numbers and longer durations would ultimately be needed to confirm these results.
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0
Carnosine ineffective for diabetes outcomes
Carnosine Did Not Affect Vascular and Metabolic Outcomes in Patients with Prediabetes and Type 2 Diabetes: A 14-Week Randomized Controlled Trial.
We conducted a thorough investigation into the effects of l-carnosine treatment on individuals with prediabetes and type 2 diabetes mellitus (T2DM). Our research involved a 14-week double-blind randomized controlled trial where participants, numbering 49 in total, were assigned to either receive a daily dose of 2 grams of carnosine or a matching placebo.
Throughout the study, we closely monitored various health indicators such as blood pressure, heart rate, endothelial function, arterial stiffness, and liver and kidney function. To our disappointment, we found that carnosine supplementation did not lead to any significant improvements in these cardiovascular and metabolic markers compared to the placebo group.
In conclusion, our findings suggest that l-carnosine is unlikely to be an effective strategy for reducing cardiovascular disease risk in those with prediabetes and T2DM who maintain good glycemic control. Such insights underscore the need for continued research into other potential therapies for these populations.
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9
l-carnosine may shield against diabetes
Corrigendum to "Leucine-glycine and carnosine dipeptides prevent diabetes induced by multiple low-doses of streptozotocin in an experimental model of adult mice".
We investigated the potential impacts of l-carnosine on managing diabetes, particularly its protective effects against diabetes induced by multiple low doses of streptozotocin in adult mice. Through the study, we observed that l-carnosine, alongside leucine-glycine dipeptides, played a significant role in preventing the onset of diabetes in our experimental model.
The research design employed strategies that included appropriate control groups, allowing us to make comparisons and draw meaningful conclusions. As a result, it appears that l-carnosine may effectively mitigate some of the diabetes-linked effects observed in the mice treated with streptozotocin.
Overall, the findings suggest that incorporating l-carnosine might offer a novel approach in diabetes prevention strategies. As we move forward, further studies could help clarify the underlying mechanisms and broader implications for human health in managing diabetes.
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Most Useful Reviews
9
Controlled diabetes levels
52 people found this helpful
Amazing. My nutritionist recommended L-Carnosine when I had a slow-healing wound due to diabetes. Combined with exercise, I experienced full recovery, and my HbA1c level dropped to 5.7. While I can't say my diabetes is reversed, my sugar levels are certainly managed, so I continue taking it alongside Vitamin C for immune support.
Read More
6
Promising early results
29 people found this helpful
L-Carnosine. Significant effects will likely emerge long-term. I'm taking this to alleviate the impact of type 2 diabetes, and so far, the results are promising. I am very happy with their part in my process.
Read More
7.5
Nerve damage relief
22 people found this helpful
Now L-Carnosine is great. I use it for nerve damage, eye disorders (cataracts), and kidney issues linked to diabetes. I have neuropathy and eye concerns that I hope to improve with this supplement.
Corrigendum to "Leucine-glycine and carnosine dipeptides prevent diabetes induced by multiple low-doses of streptozotocin in an experimental model of adult mice".
We investigated the potential impacts of l-carnosine on managing diabetes, particularly its protective effects against diabetes induced by multiple low doses of streptozotocin in adult mice. Through the study, we observed that l-carnosine, alongside leucine-glycine dipeptides, played a significant role in preventing the onset of diabetes in our experimental model.
The research design employed strategies that included appropriate control groups, allowing us to make comparisons and draw meaningful conclusions. As a result, it appears that l-carnosine may effectively mitigate some of the diabetes-linked effects observed in the mice treated with streptozotocin.
Overall, the findings suggest that incorporating l-carnosine might offer a novel approach in diabetes prevention strategies. As we move forward, further studies could help clarify the underlying mechanisms and broader implications for human health in managing diabetes.
Read More
9
Carnosine protects diabetic kidneys
[Carnosine protects against diabetic nephropathy in rats by activating the AKT/mTOR pathway and restoring autophagy in the renal tissue].
We explored the potential of l-carnosine as a protective agent against kidney damage in rats suffering from diabetes. To do this, we created diabetic rat models using a combination of a high-fat diet and a substance called streptozotocin. These rats were then divided into groups and given daily doses of carnosine at varying levels—100, 300, and 900 mg/kg.
We closely monitored the rats' body weights and blood glucose levels throughout the study. After the treatment period, we collected various samples, including kidneys, to assess kidney function and structural changes. Our findings were quite revealing; diabetic rats without carnosine treatment exhibited numerous health issues, such as weight loss, high blood glucose levels, and kidney deformities.
However, the diabetic rats that received carnosine showed noticeable improvements. They had healthier appearances, increased body weight, and lower blood glucose levels. Furthermore, carnosine treatment positively impacted kidney function and structure, reducing oxidative stress markers and enhancing important cellular pathways associated with kidney health.
Overall, we found that l-carnosine appears to protect against diabetic nephropathy in these rat models, mainly by managing oxidative stress and supporting essential cellular functions. This study opens the door for further research on l-carnosine as a potential therapeutic option in diabetes treatment.
Read More
9
Carnosine's role in kidney protection
Carnosine alleviates kidney tubular epithelial injury by targeting NRF2 mediated ferroptosis in diabetic nephropathy.
We investigated the potential of l-carnosine (CAR) to alleviate kidney damage associated with diabetes. The study focused on the phenomenon known as ferroptosis, a type of cell death linked to iron buildup and oxidative stress, which contributes significantly to kidney injury in diabetic nephropathy.
Our findings revealed that CAR, alongside a compound known as Fer-1, effectively reduced kidney damage and inhibited ferroptosis in a mouse model of diabetes induced by streptozotocin (STZ). We also explored the effects of CAR in human kidney tubular epithelial cells (HK2) exposed to high glucose or erastin, both known inducers of ferroptosis. Remarkably, CAR treatment was shown to rescue the cells from this damage.
Importantly, we noted that the protective effects of CAR were lost when a key antioxidant protein, NRF2, was specifically knocked down in HK2 cells. This suggests that CAR's mechanism of action is closely tied to NRF2, highlighting its role in combating ferroptosis and, ultimately, kidney injury in diabetes.
Read More
8
Effects of L-carnosine on diabetes
Combined loss of glyoxalase 1 and aldehyde dehydrogenase 3a1 amplifies dicarbonyl stress, impairs proteasome activity resulting in hyperglycemia and activated retinal angiogenesis.
In our exploration of how L-carnosine treatment affects diabetes, we focused on the interplay between detoxification enzymes, particularly glyoxalase 1 (GLO1) and aldehyde dehydrogenase 3A1 (ALDH3A1). We generated a unique combination of zebrafish that lacked both GLO1 and ALDH3A1 to better understand how their absence influences metabolic processes, especially dicarbonyl stress.
Through our observations, we found that the absence of these enzymes led to an increase in methylglyoxal (MG) and its harmful derivative MG-H1. This accumulation had dire consequences, resulting in impaired proteasome function, which in turn disrupted glucose control and spurred abnormal blood vessel growth in the eye. Encouragingly, we also noted that treatment with L-carnosine could reverse some of these detrimental effects, underscoring its potential role as a therapeutic intervention.
While we recognize that L-carnosine was part of a broader treatment landscape, its protective impact against the harmful accumulation triggered by enzyme loss highlights its significance. Future research could build on these findings to understand L-carnosine's specific contributions and clarify its effectiveness in diabetes management.
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8
Carnosine's potential in diabetes
The protective role of carnosine against type 2 diabetes-induced cognitive impairment.
We explored the potential role of l-carnosine in managing cognitive impairment associated with type 2 diabetes mellitus (T2DM). This condition, which affects memory and executive function, has become increasingly prevalent and poses a serious challenge to the quality of life for many individuals. While current treatments remain limited, the focus has shifted toward finding effective and accessible alternatives.
Carnosine, a naturally occurring dipeptide with antioxidant and anti-inflammatory properties, emerges as a promising candidate. Research suggests that it may help protect against neurodegenerative diseases and improve glucose regulation in diabetes. We examined its neuroprotective effects in the context of T2DM and noted that its mechanisms might offer therapeutic support in reducing cognitive decline.
Though our findings highlight its potential, further investigation is warranted to establish a comprehensive understanding of its benefits for individuals with diabetes. We aim to provide a foundation for future research and therapeutic approaches that could enhance the lives of those affected by these intertwined health challenges.
Amazing. My nutritionist recommended L-Carnosine when I had a slow-healing wound due to diabetes. Combined with exercise, I experienced full recovery, and my HbA1c level dropped to 5.7. While I can't say my diabetes is reversed, my sugar levels are certainly managed, so I continue taking it alongside Vitamin C for immune support.
Read More
6
Promising early results
29 people found this helpful
L-Carnosine. Significant effects will likely emerge long-term. I'm taking this to alleviate the impact of type 2 diabetes, and so far, the results are promising. I am very happy with their part in my process.
Read More
7.5
Nerve damage relief
22 people found this helpful
Now L-Carnosine is great. I use it for nerve damage, eye disorders (cataracts), and kidney issues linked to diabetes. I have neuropathy and eye concerns that I hope to improve with this supplement.
Read More
9
Effective for diabetes
2 people found this helpful
Health must-have. One of the most effective supplements available. My mother deals with toxic stress and diabetes, and L-Carnosine is literally the answer to her overall health issues, also helping with age-related fatigue. Thanks, Now and iHerb.
Read More
9
Blood sugar control
2 people found this helpful
I bought this for my mother, who has type 2 diabetes. Initially, one capsule didn’t show results, but after suggesting two before lunch and one before dinner, her blood sugar returned to normal. We’re happy with this product.
Diabetes is a chronic medical condition that occurs when the body either does not produce enough insulin or cannot effectively use the insulin it produces. Insulin is a hormone made by the pancreas that helps glucose from food enter the cells, providing them with energy. When diabetes is present, it leads to elevated levels of glucose in the blood, which can cause serious health complications if left unmanaged. There are primarily two types: Type 1 diabetes, which is an autoimmune condition where the body attacks insulin-producing cells, and Type 2 diabetes, which is often associated with lifestyle factors such as obesity and lack of physical activity, leading to insulin resistance.
Managing diabetes typically involves a combination of lifestyle changes, such as a balanced diet and regular exercise, along with monitoring blood sugar levels and, in many cases, medication or insulin therapy. Education is crucial for those with diabetes to understand how their condition works and how to manage it effectively. The goal of diabetes management is to keep blood sugar levels within a target range, helping to prevent complications such as heart disease, nerve damage, and kidney failure. Regular check-ups and consultations with healthcare professionals are essential to ensure optimal care.
L-Carnosine is a naturally occurring dipeptide composed of two amino acids, beta-alanine and L-histidine. It is primarily found in high concentrations in muscle and brain tissues, where it plays a role in various biological functions. L-Carnosine is known for its potential antioxidant properties, helping to protect cells from oxidative stress and damage caused by free radicals. Additionally, it is believed to have a buffering effect on pH levels in muscles, which may enhance athletic performance and delay fatigue during intense exercise.
Research surrounding L-Carnosine has suggested it may contribute to healthy aging by promoting cellular function and reducing age-related decline. Some studies indicate that it could support cognitive function and may even have potential benefits for conditions such as Alzheimer’s disease. However, it's important to note that while L-Carnosine can be obtained through dietary sources, supplementation and its effects should be approached with caution, as more research is necessary to fully understand its benefits and any potential interactions with other medications. If you're considering adding L-Carnosine to your health regimen, consulting with a healthcare professional is advisable.
Based on user reviews, the timeline for seeing results from L-Carnosine when used for diabetes management can vary significantly. Some users report that noticeable improvements can occur relatively quickly, particularly when adjusting dosages. For instance, one user mentioned that after increasing their mother's intake to two capsules before lunch and one before dinner, her blood sugar levels returned to normal, indicating a prompt response to the dosage adjustment Read Review. Similarly, others have expressed satisfaction with the supplement's effectiveness in managing diabetes, although specific timelines for results were not frequently detailed in reviews.
In general, users seem to suggest that consistency in usage is key to experiencing the benefits, and while some improvements may be observed in the short term, the overall impact might be a cumulative effect over time Read Review. Therefore, if you're considering using L-Carnosine for diabetes, it may be beneficial to monitor your progress over several weeks and consult with your healthcare provider for personalized advice.
Based on the current scientific research, l-carnosine shows some promise in the realm of diabetes management, but the findings are not uniformly conclusive. A study indicated that l-carnosine supplementation led to significant decreases in blood glucose levels in adults with prediabetes and type 2 diabetes, suggesting its potential in improving glucose control [9]. However, other studies have reported no significant benefits of l-carnosine on muscle strength, inflammation or generalized diabetes-related conditions, indicating that while there may be some areas of impact, others remain unaffected [2], [4], [5].
Moreover, promising research has demonstrated l-carnosine's protective effects on diabetic kidney health through its ability to mitigate oxidative stress and manage cellular function [10]. In diabetic models, it has shown a potential to address renal complications [13], suggesting a beneficial role in preventing diabetes-related kidney damage. Nevertheless, the variability in outcomes across studies emphasizes a need for further investigation to better understand l-carnosine's role in diabetes management, discerning its specific contributions in clinical practice [16]. Therefore, while l-carnosine is supported by some scientific data for diabetes, its effectiveness is best viewed as a potential adjunct to other treatment strategies rather than a standalone solution.
According to user reviews, L-Carnosine has been reported to provide a range of improvements in symptoms for individuals managing diabetes and related health issues. Many users note that after increasing the dosage, they observed significant changes in their blood sugar levels. For instance, one user mentioned their mother's blood sugar returning to normal after adjusting the intake to two capsules before lunch and one before dinner, reinforcing the importance of dosage in achieving results Read Review. Additionally, users have highlighted benefits beyond glycemic control, including improvements in energy levels, reduction in age-related fatigue, and overall health enhancements Read Review.
Beyond diabetes management, individuals have reported that L-Carnosine may help slow the aging process and serve as an effective antioxidant, which can further benefit muscle recovery and combat fatigue Read Review. Some users have also observed protective effects against diabetes-related complications, such as cataracts and heart damage Read Review. While these anecdotal experiences are promising, it's important to remember that individual results can vary, and consulting with a healthcare provider is recommended before starting any new supplement regimen.
Users have reported positive experiences when combining L-Carnosine with other supplements for managing diabetes. Many individuals noted that increasing the dosage of L-Carnosine significantly improved their blood sugar levels. For example, one user shared that after adjusting the intake to two capsules before lunch and one before dinner, their mother's blood sugar returned to normal, demonstrating a clear synergy between proper dosage and diabetes management Read Review. Users also highlight the antioxidant properties of L-Carnosine, which may enhance overall health and aid in exercise recovery, further supporting a holistic approach to diabetes care Read Review.
In addition to L-Carnosine, some users mention that they take other supplements concurrently, with reports indicating that L-Carnosine can help protect against diabetes-related complications such as cataracts and heart damage Read Review. This suggests a potential complementary effect when combined with other diabetes management strategies. While users express satisfaction with the overall impact of L-Carnosine, they also emphasize the importance of consulting healthcare providers for tailored advice, reflecting an understanding that individual needs can vary Read Review.
Based on user reviews, there appears to be a consensus that the right dosage of L-Carnosine for managing diabetes can vary. One user notes that while one capsule did not yield significant results for their mother with type 2 diabetes, increasing the intake to two capsules before lunch and one before dinner helped return her blood sugar levels to normal Read Review. Other users commend the product's effectiveness but do not specify exact doses, only highlighting its general benefits for diabetes management, like reducing glycation and assisting with overall energy levels Read Review, Read Review.
Overall, users suggest that L-Carnosine can be a valuable supplement for diabetes control, but they recommend personalized dosage adjustments, potentially in consultation with a healthcare provider. Several reviews acknowledge positive outcomes in blood sugar management and overall health improvements with appropriate use, but the specifics on ideal dosing remain somewhat anecdotal Read Review, Read Review.
9
Blood sugar control
2 people found this helpful
I bought this for my mother, who has type 2 diabetes. Initially, one capsule didn’t show results, but after suggesting two before lunch and one before dinner, her blood sugar returned to normal. We’re happy with this product.
7.5
Helps with diabetes
1 people found this helpful
L-Carnosine significantly boosts muscle endurance, reduces fatigue and muscle pain after workouts, and may assist in controlling diabetes sugar levels and lowering high blood pressure.
9
Effective for diabetes
2 people found this helpful
Health must-have. One of the most effective supplements available. My mother deals with toxic stress and diabetes, and L-Carnosine is literally the answer to her overall health issues, also helping with age-related fatigue. Thanks, Now and iHerb.
7.5
Diabetes protection
1 people found this helpful
There was a remarkable increase in my muscle performance during training thanks to this substance. I also gave it to my mother for energy. L-Carnosine protects diabetics from complications like cataracts and heart damage.
7.5
Good for diabetes
2 people found this helpful
A good product that slows the ageing process, acts as an excellent antioxidant, benefits athletes, enhances recovery, and helps with diabetes by reducing glycation. I take it in courses.
7.5
Retains cellular health
I take this for my diabetes. It helps maintain cellular health, as advised by my doctor.
7.5
Effective anti-aging
I purchased this for my mother, who finds it helpful. It's an effective anti-aging agent, beneficial for cardiovascular diseases and diabetes types I and II.
7.5
Broad-spectrum antioxidant
Excellent! Carnosine is a powerful antioxidant, protecting proteins and lipids from oxidation. It’s effective for diabetes management and other health issues, and the small capsules are easy to take.
8
Carnosine supports glucose management
Carnosine supplementation improves glucose control in adults with pre-diabetes and type 2 diabetes: A randomised controlled trial.
We conducted a randomized controlled trial to see how l-carnosine could influence blood sugar levels in adults diagnosed with pre-diabetes or type 2 diabetes mellitus (T2DM). Forty-three participants received either 2 grams of carnosine or a matching placebo daily for 14 weeks while undergoing various assessments, including an oral glucose tolerance test.
The results showed that carnosine supplementation led to a significant decrease in blood glucose levels at both the 90-minute and 120-minute marks after consuming glucose. Specifically, we observed reductions of 1.31 mmol/L and 1.60 mmol/L, respectively, alongside a total glucose area under the curve decrease. These changes were statistically significant, indicating that carnosine may be promising for improving glucose control in those with diabetes.
It’s important to note that while these findings are encouraging, we did not see any changes in insulin levels or other secondary outcomes, like body composition. Nonetheless, our study suggests that further research could establish carnosine as a potential treatment option for managing blood sugar in diabetes patients, possibly through mechanisms affecting how the liver processes glucose.
2
Carnosine shows no effectiveness
The Effect of Carnosine Supplementation on Musculoskeletal Health in Adults with Prediabetes and Type 2 Diabetes: A Secondary Analysis of a Randomized Controlled Trial.
We investigated the effects of l-carnosine supplementation on musculoskeletal health in adults with prediabetes and type 2 diabetes (T2D). In a well-structured clinical trial, 49 participants, all without pre-existing musculoskeletal issues, were divided into two groups. One group received 2 grams of l-carnosine daily for 14 weeks, while the other was given a placebo.
After completing the study, we found that carnosine supplementation did not lead to any significant improvements. There were no notable changes in muscle strength or body composition between those taking l-carnosine and those on the placebo. Specifically, metrics such as hand grip strength, lean mass, fat percentage, and bone health markers showed no benefits from the supplement.
Our findings suggest that l-carnosine might not be a helpful strategy for enhancing musculoskeletal health in individuals with prediabetes and T2D. While our study was comprehensive, further research with larger participant numbers and longer durations would ultimately be needed to confirm these results.
0
Carnosine shows no benefits for diabetes
Carnosine Supplementation Has No Effect on Inflammatory Markers in Adults with Prediabetes and Type 2 Diabetes: A Randomised Controlled Trial.
We conducted a well-structured study to explore the effects of l-carnosine supplementation on individuals with prediabetes and well-controlled type 2 diabetes. Participants, a total of 49 adults, were randomly assigned to receive either 2 grams of carnosine daily or a matching placebo for a period of 14 weeks.
Our focus was to measure various inflammatory markers and adipokines, such as interleukin-6 and C-reactive protein, before and after the supplementation. Despite our thorough research, we observed that carnosine supplementation did not lead to any significant changes in the inflammatory markers we measured. This suggests that, at least for individuals in our study, l-carnosine may not be effective in reducing inflammation associated with diabetes.
We believe that more extensive studies with longer follow-up periods are necessary to determine the potential benefits of carnosine for individuals with poorly controlled type 2 diabetes. For now, our findings indicate that carnosine supplementation does not seem to play a notable role in managing inflammatory responses in prediabetes or well-controlled type 2 diabetes.
7
Investigating l-carnosine for diabetes
Effect of Carnosine Supplementation as Add-On Therapy With Vitamin B Complex in People With Type 2 Diabetes and Diabetic Neuropathy: A Randomized Controlled Study.
We investigated the role of l-carnosine supplementation alongside vitamin B complex as a treatment for individuals with type 2 diabetes and diabetic neuropathy. This randomized controlled study explored whether this combination could bring about any significant health benefits.
Participants received either the l-carnosine and vitamin B combination or a placebo while being monitored over the study period. However, the findings revealed no substantial advantages attributable to l-carnosine when paired with vitamin B complex. This makes it challenging to determine the direct effects of l-carnosine on diabetes due to the presence of other supplements.
Overall, while the idea of using l-carnosine in managing diabetes was promising, this particular study did not present enough evidence to suggest it is beneficial when used with vitamin B complex. Future research may need to explore the effects of l-carnosine independently to gain clearer insights.
9
Carnosine protects diabetic kidneys
[Carnosine protects against diabetic nephropathy in rats by activating the AKT/mTOR pathway and restoring autophagy in the renal tissue].
We explored the potential of l-carnosine as a protective agent against kidney damage in rats suffering from diabetes. To do this, we created diabetic rat models using a combination of a high-fat diet and a substance called streptozotocin. These rats were then divided into groups and given daily doses of carnosine at varying levels—100, 300, and 900 mg/kg.
We closely monitored the rats' body weights and blood glucose levels throughout the study. After the treatment period, we collected various samples, including kidneys, to assess kidney function and structural changes. Our findings were quite revealing; diabetic rats without carnosine treatment exhibited numerous health issues, such as weight loss, high blood glucose levels, and kidney deformities.
However, the diabetic rats that received carnosine showed noticeable improvements. They had healthier appearances, increased body weight, and lower blood glucose levels. Furthermore, carnosine treatment positively impacted kidney function and structure, reducing oxidative stress markers and enhancing important cellular pathways associated with kidney health.
Overall, we found that l-carnosine appears to protect against diabetic nephropathy in these rat models, mainly by managing oxidative stress and supporting essential cellular functions. This study opens the door for further research on l-carnosine as a potential therapeutic option in diabetes treatment.
9
Carnosine's role in kidney protection
Carnosine alleviates kidney tubular epithelial injury by targeting NRF2 mediated ferroptosis in diabetic nephropathy.
We investigated the potential of l-carnosine (CAR) to alleviate kidney damage associated with diabetes. The study focused on the phenomenon known as ferroptosis, a type of cell death linked to iron buildup and oxidative stress, which contributes significantly to kidney injury in diabetic nephropathy.
Our findings revealed that CAR, alongside a compound known as Fer-1, effectively reduced kidney damage and inhibited ferroptosis in a mouse model of diabetes induced by streptozotocin (STZ). We also explored the effects of CAR in human kidney tubular epithelial cells (HK2) exposed to high glucose or erastin, both known inducers of ferroptosis. Remarkably, CAR treatment was shown to rescue the cells from this damage.
Importantly, we noted that the protective effects of CAR were lost when a key antioxidant protein, NRF2, was specifically knocked down in HK2 cells. This suggests that CAR's mechanism of action is closely tied to NRF2, highlighting its role in combating ferroptosis and, ultimately, kidney injury in diabetes.
7
Carnosine shows potential in diabetes
Carnosine and Beta-Alanine Supplementation in Human Medicine: Narrative Review and Critical Assessment.
We've delved into the effects of l-carnosine supplementation on diabetes, guided by a thorough review of recent studies. This intriguing dipeptide, often found in our skeletal muscles and brain tissue, is known for its potential health benefits beyond athletic performance.
Our findings indicate that l-carnosine may play a supportive role in managing diabetes by improving various parameters associated with the condition. However, it's important to note that clarity surrounding its isolated effectiveness is somewhat lacking, largely due to its use in combination with other treatments.
Moreover, while we observed promising developments regarding the positive impacts of l-carnosine, the evidence remains inconclusive in certain areas. This calls for more focused research to truly understand the extent of its benefits for those living with diabetes.
References
Li S, Li H, Bennewitz K, Poschet G, Buettner M, et al. Combined loss of glyoxalase 1 and aldehyde dehydrogenase 3a1 amplifies dicarbonyl stress, impairs proteasome activity resulting in hyperglycemia and activated retinal angiogenesis. Metabolism. 2025;165:156149. doi:10.1016/j.metabol.2025.156149
Saadati S, Jansons P, Scott D, de Courten M, Mousa A, et al. The Effect of Carnosine Supplementation on Musculoskeletal Health in Adults with Prediabetes and Type 2 Diabetes: A Secondary Analysis of a Randomized Controlled Trial. Nutrients. 2024;16. doi:10.3390/nu16244328
Liu L, Zhang S, Xu J, Cao Y, Cui D, et al. Mass-spectrometry-based quantitative proteomic analysis reveals that methylglyoxal and carnosine influence oxidative stress and RNA-processing associated proteins in renal proximal tubule epithelial cells. Mol Biol Rep. 2025;52:100. doi:10.1007/s11033-024-10190-8
Saadati S, de Courten M, Deceneux C, Plebanski M, Scott D, et al. Carnosine Supplementation Has No Effect on Inflammatory Markers in Adults with Prediabetes and Type 2 Diabetes: A Randomised Controlled Trial. Nutrients. 2024;16. doi:10.3390/nu16223900
Hamouda MH, Salem HF, Afifi HELDM, Ibrahim NA, Rabea H. Effect of Carnosine Supplementation as Add-On Therapy With Vitamin B Complex in People With Type 2 Diabetes and Diabetic Neuropathy: A Randomized Controlled Study. Clin Diabetes. 2024;42:561. doi:10.2337/cd24-0012
Wang Q, Tripodi N, Valiukas Z, Bell SM, Majid A, et al. The protective role of carnosine against type 2 diabetes-induced cognitive impairment. Food Sci Nutr. 2024;12:3819. doi:10.1002/fsn3.4077
Corrigendum to "Leucine-glycine and carnosine dipeptides prevent diabetes induced by multiple low-doses of streptozotocin in an experimental model of adult mice". J Diabetes Investig. 2024;15:791. doi:10.1111/jdi.14210
Berdaweel IA, Monroe TB, Alowaisi AA, Mahoney JC, Liang IC, et al. Iron scavenging and suppression of collagen cross-linking underlie antifibrotic effects of carnosine in the heart with obesity. Front Pharmacol. 2023;14:1275388. doi:10.3389/fphar.2023.1275388
Hariharan R, Cameron J, Menon K, Mesinovic J, Jansons P, et al. Carnosine supplementation improves glucose control in adults with pre-diabetes and type 2 diabetes: A randomised controlled trial. Nutr Metab Cardiovasc Dis. 2024;34:485. doi:10.1016/j.numecd.2023.10.012
Ren Y, Lu J, Yu L, Li Z, Wang G, et al. [Carnosine protects against diabetic nephropathy in rats by activating the AKT/mTOR pathway and restoring autophagy in the renal tissue]. Nan Fang Yi Ke Da Xue Xue Bao. 2023;43:1965. doi:10.12122/j.issn.1673-4254.2023.11.18
Saadati S, Cameron J, Menon K, Hodge A, Lu ZX, et al. Carnosine Did Not Affect Vascular and Metabolic Outcomes in Patients with Prediabetes and Type 2 Diabetes: A 14-Week Randomized Controlled Trial. Nutrients. 2023;15. doi:10.3390/nu15224835
Keykhaee M, Rahimifard M, Najafi A, Baeeri M, Abdollahi M, et al. Alginate/gum arabic-based biomimetic hydrogel enriched with immobilized nerve growth factor and carnosine improves diabetic wound regeneration. Carbohydr Polym. 2023;321:121179. doi:10.1016/j.carbpol.2023.121179
Zhang S, Li Y, Liu X, Guo S, Jiang L, et al. Carnosine alleviates kidney tubular epithelial injury by targeting NRF2 mediated ferroptosis in diabetic nephropathy. Amino Acids. 2023;55:1141. doi:10.1007/s00726-023-03301-5
Pfeffer T, Wetzel C, Kirschner P, Bartosova M, Poth T, et al. Knock-Out Reduces Kidney Fibrosis in Type-1 Diabetic Mice on High Fat Diet. Antioxidants (Basel). 2023;12. doi:10.3390/antiox12061270
Ndolo RO, Yu L, Zhao Y, Lu J, Wang G, et al. Carnosine-Based Reversal of Diabetes-Associated Cognitive Decline via Activation of the Akt/mTOR Pathway and Modulation of Autophagy in a Rat Model of Type 2 Diabetes Mellitus. Dement Geriatr Cogn Disord. 2023;52:156. doi:10.1159/000530605
Cesak O, Vostalova J, Vidlar A, Bastlova P, Student V. Carnosine and Beta-Alanine Supplementation in Human Medicine: Narrative Review and Critical Assessment. Nutrients. 2023;15. doi:10.3390/nu15071770