We observed how n-acetyl-L-cysteine can impact the formation of cystine kidney stones. The study utilized crystallization experiments to mimic conditions similar to those in the kidneys. Cystine typically requires high supersaturation to crystallize, presenting a challenge since inhibitors, like n-acetyl-cysteine, tend to have reduced effects under such conditions.
Our findings highlighted that in the absence of crystallization inhibitors, crystallization begins within just 15 minutes. However, when n-acetyl-L-cysteine and other thiol agents like penicillamine and tiopronin were present, they completely blocked the crystallization process. Notably, n-acetyl-L-cysteine didn't just stop the formation of cystine crystals; it also altered their shape, which could play a vital role in how stones develop.
Moreover, we explored the structure of 30 cystine stones and found that they start from small crystals, continuously growing into larger structures depending on where they form in the kidney. The prevention of stone development hinges on keeping urinary cystine levels low, which n-acetyl-L-cysteine emerged as the most effective method among those tested. Increased hydration and physical activity further showed promise in helping remove cystine crystals and preventing stone formation.
Read More
8
NAC offers protective kidney benefits
Apoptosis of human kidney epithelial cells induced by high oxalate and calcium oxalate monohydrate is apurinic/apyrimidinic endonuclease 1 pathway dependent and contributes to kidney stone formation.
We investigated the role of n-acetyl-l-cysteine (NAC) in kidney stone formation, focusing on how high levels of oxalate and calcium oxalate monohydrate (COM) influence renal cells. Our research revealed that exposure to high oxalate leads to kidney cell damage by creating reactive oxygen species (ROS) that trigger apoptosis, or programmed cell death, in human kidney epithelial cells. This toxic environment is mediated by changes in apurinic/apyrimidinic endonuclease 1 (APE1), a critical protein involved in DNA repair and regulation.
Importantly, we found that NAC, an antioxidant, can reverse some of the harmful effects of high oxalate, suggesting that it may protect kidney cells from damage and potentially reduce the risk of stone formation. While these results highlight NAC's protective aspects, the study also indicates that the overall mechanism of kidney stone development remains complex and multifaceted, involving several players beyond just oxidative stress.
In conclusion, our findings shed light on a novel molecular mechanism related to kidney stone formation and highlight the potential therapeutic role of NAC to defend against kidney cell injury. However, further research is needed to fully understand its effectiveness in clinical settings for individuals prone to kidney stones.
Read More
4
N-acetylcysteine's limited impact
Effect of theobromine on dissolution of uric acid kidney stones.
We explored the effectiveness of N-acetylcysteine in dissolving uric acid kidney stones, a common issue with high rates of recurrence. Conducted in a controlled environment, the study utilized synthetic urine at a pH of 6.5 to simulate conditions in the human body. Over a series of experiments, we observed how both N-acetylcysteine and theobromine affected the dissolution of uric acid stones.
While N-acetylcysteine did show some ability to aid in the dissolution of these stones, its effects were not statistically significant. In contrast, theobromine was noted to significantly increase stone dissolution. Intriguingly, when combined, N-acetylcysteine and theobromine demonstrated similar effects to theobromine alone.
These findings suggest that while N-acetylcysteine may contribute to stone management, it does not appear to offer a strong standalone benefit. The observed enhancement from theobromine indicates its potential as a promising adjunct to existing treatments for managing uric acid kidney stones.
Read More
Most Useful Reviews
9
Protects kidneys
1 people found this helpful
This N-acetyl-L-cysteine (600 mg) from Life Extension is an effective antioxidant that protects my kidneys and liver from toxins. It also maintains respiratory health and supports the synthesis of intracellular glutathione, crucial for cellular processes. NAC is beneficial for both active and older individuals. I highly recommend this supplement.
Read More
7.5
Nodules shrinking
14 people found this helpful
It has helped with my ledderhose condition. NAC offers many health benefits, including detoxification of the kidneys and liver, enhancing brain health, and stabilising blood glucose. After six months of using this and topical magnesium, my nodules are shrinking and less sensitive. I shall continue its use to see how much further it can assist me. Life Extension provides a supplement with minimal fillers and good dosage at competitive pricing. Highly recommended!
Read More
7.5
Caution advised
This product cleanses the liver and body effectively but can potentially cause kidney stones, so I recommend taking it in moderation.
We observed how n-acetyl-L-cysteine can impact the formation of cystine kidney stones. The study utilized crystallization experiments to mimic conditions similar to those in the kidneys. Cystine typically requires high supersaturation to crystallize, presenting a challenge since inhibitors, like n-acetyl-cysteine, tend to have reduced effects under such conditions.
Our findings highlighted that in the absence of crystallization inhibitors, crystallization begins within just 15 minutes. However, when n-acetyl-L-cysteine and other thiol agents like penicillamine and tiopronin were present, they completely blocked the crystallization process. Notably, n-acetyl-L-cysteine didn't just stop the formation of cystine crystals; it also altered their shape, which could play a vital role in how stones develop.
Moreover, we explored the structure of 30 cystine stones and found that they start from small crystals, continuously growing into larger structures depending on where they form in the kidney. The prevention of stone development hinges on keeping urinary cystine levels low, which n-acetyl-L-cysteine emerged as the most effective method among those tested. Increased hydration and physical activity further showed promise in helping remove cystine crystals and preventing stone formation.
Read More
8
NAC offers protective kidney benefits
Apoptosis of human kidney epithelial cells induced by high oxalate and calcium oxalate monohydrate is apurinic/apyrimidinic endonuclease 1 pathway dependent and contributes to kidney stone formation.
We investigated the role of n-acetyl-l-cysteine (NAC) in kidney stone formation, focusing on how high levels of oxalate and calcium oxalate monohydrate (COM) influence renal cells. Our research revealed that exposure to high oxalate leads to kidney cell damage by creating reactive oxygen species (ROS) that trigger apoptosis, or programmed cell death, in human kidney epithelial cells. This toxic environment is mediated by changes in apurinic/apyrimidinic endonuclease 1 (APE1), a critical protein involved in DNA repair and regulation.
Importantly, we found that NAC, an antioxidant, can reverse some of the harmful effects of high oxalate, suggesting that it may protect kidney cells from damage and potentially reduce the risk of stone formation. While these results highlight NAC's protective aspects, the study also indicates that the overall mechanism of kidney stone development remains complex and multifaceted, involving several players beyond just oxidative stress.
In conclusion, our findings shed light on a novel molecular mechanism related to kidney stone formation and highlight the potential therapeutic role of NAC to defend against kidney cell injury. However, further research is needed to fully understand its effectiveness in clinical settings for individuals prone to kidney stones.
Read More
7
NAC aids kidney protection
Renal protective effect of N-acetylcysteine with stepwise ramping voltage against extracorporeal shock wave lithotripsy-induced renal injury: a prospective randomized trial.
We recently conducted a prospective randomized trial to examine how N-acetylcysteine (NAC) can offer kidney protection during extracorporeal shock wave lithotripsy (ESWL) for treating kidney stones. In our study, we included 164 adult patients who were set to undergo ESWL for single renal stones. To ensure reliable results, we excluded individuals with certain conditions such as radio-lucent stones, diabetes, hypertension, febrile urinary tract infections, and preoperative albuminuria.
Participants were divided into four distinct groups. Some underwent traditional fixed voltage treatments, while others experienced a gradual ramping voltage approach. A few groups also received NAC—600 mg twice a day—before and after the procedure. We measured urinary markers related to kidney injury, such as β-microglobulin and albumin, one day and five days following ESWL.
Our findings showed that the group receiving NAC combined with the gradual ramping voltage displayed no significant changes in urinary markers, indicating kidney protection. While we observed some benefits with NAC, especially in conjunction with the ramping voltage approach, it was noted that no substantial differences emerged regarding treatment effectiveness compared to other methods used. Overall, results suggested NAC could help safeguard the kidneys during ESWL, emphasizing the positive impact of combining it with a gentle ramping voltage treatment.
Read More
4
N-acetylcysteine's limited impact
Effect of theobromine on dissolution of uric acid kidney stones.
We explored the effectiveness of N-acetylcysteine in dissolving uric acid kidney stones, a common issue with high rates of recurrence. Conducted in a controlled environment, the study utilized synthetic urine at a pH of 6.5 to simulate conditions in the human body. Over a series of experiments, we observed how both N-acetylcysteine and theobromine affected the dissolution of uric acid stones.
While N-acetylcysteine did show some ability to aid in the dissolution of these stones, its effects were not statistically significant. In contrast, theobromine was noted to significantly increase stone dissolution. Intriguingly, when combined, N-acetylcysteine and theobromine demonstrated similar effects to theobromine alone.
These findings suggest that while N-acetylcysteine may contribute to stone management, it does not appear to offer a strong standalone benefit. The observed enhancement from theobromine indicates its potential as a promising adjunct to existing treatments for managing uric acid kidney stones.
Read More
User Reviews
USERS' SCORE
Moderately Good
Based on 6 Reviews
7.2
All Reviews
Positive Reviews
Negative Reviews
9
Protects kidneys
1 people found this helpful
This N-acetyl-L-cysteine (600 mg) from Life Extension is an effective antioxidant that protects my kidneys and liver from toxins. It also maintains respiratory health and supports the synthesis of intracellular glutathione, crucial for cellular processes. NAC is beneficial for both active and older individuals. I highly recommend this supplement.
Read More
7.5
Nodules shrinking
14 people found this helpful
It has helped with my ledderhose condition. NAC offers many health benefits, including detoxification of the kidneys and liver, enhancing brain health, and stabilising blood glucose. After six months of using this and topical magnesium, my nodules are shrinking and less sensitive. I shall continue its use to see how much further it can assist me. Life Extension provides a supplement with minimal fillers and good dosage at competitive pricing. Highly recommended!
Read More
7.5
Caution advised
This product cleanses the liver and body effectively but can potentially cause kidney stones, so I recommend taking it in moderation.
Read More
6
Not very effective
I bought this with hopes it would lighten my spots and melasma. I’ve heard it could lead to kidney stones if I don't drink enough water, and I struggle with hydration. I only take it with a multivitamin on days I can manage my water intake. It hasn't been very effective.
Kidney stones are hard deposits made of minerals and salts that form inside your kidneys. While they can vary in size from tiny particles to large stones, they all begin as crystallized substances that develop when urine contains more crystal-forming substances than the fluid in your urine can dilute. When the crystals stick together, they can form stones, which may cause severe pain, especially when they pass through the urinary tract. Common types of kidney stones include calcium stones, struvite stones, uric acid stones, and cystine stones.
The symptoms of kidney stones can include sharp pain in the side and back, pain during urination, pink or red urine, and frequent urination. Various factors can increase the risk of developing kidney stones, including dehydration, certain dietary choices, and genetic predisposition. Preventing kidney stones often involves drinking plenty of water, avoiding excessive salt and animal protein, and ensuring a balanced intake of calcium. For those who suffer from kidney stones, a medical evaluation may be necessary to determine the best management and preventive strategies.
N-Acetyl Cysteine (NAC) is a modified form of the amino acid cysteine, known for its role as a powerful antioxidant and mucolytic agent. It has been widely used as a dietary supplement for various health benefits, including supporting respiratory health, detoxification, and enhancing overall immune function. NAC is particularly recognized for its ability to replenish glutathione, one of the body's most important antioxidants, which helps combat oxidative stress and protect cells from damage.
In addition to its antioxidant properties, N-Acetyl Cysteine is commonly leveraged in a clinical setting for its effectiveness in treating acetaminophen (Tylenol) overdoses, as it aids in restoring depleted glutathione levels, thus preventing liver damage. It can also be beneficial for individuals with chronic respiratory conditions, such as COPD or cystic fibrosis, as it helps in thinning mucus, making it easier to expel. While NAC is generally considered safe for most people, it’s important to consult a healthcare professional before starting any new supplement, particularly for those with pre-existing conditions or those already on medication.
Based on user reviews, the time it takes to see results from taking N-acetyl-L-cysteine (NAC) for kidney stones can vary considerably. Some users report positive health benefits such as enhanced detoxification of the kidneys and improvements in related conditions after extended use, often citing durations of several months. For instance, one user noted that after six months of using NAC, they observed significant improvements in their condition Read Review. However, the efficacy of the supplement can depend on various factors including individual health and hydration levels.
It’s important to acknowledge that some users caution about the potential for NAC to cause kidney stones, particularly if water intake is not adequately maintained Read Review. Therefore, monitoring hydration alongside the use of this supplement is crucial for those concerned about kidney health. In summary, while some users may begin to see changes in their condition after a few months, results can vary significantly, and ongoing use with proper hydration seems to be a common recommendation among those discussing their experiences.
N-acetyl-L-cysteine (NAC) shows promise in managing kidney stones, particularly cystine and uric acid stones, based on several scientific studies. Research indicates that NAC acts as a crystallization inhibitor, effectively blocking the formation of cystine crystals, which are known for their challenging high supersaturation conditions. In experiments designed to simulate kidney conditions, NAC not only halted cystine crystallization but also altered crystal morphology, suggesting that it could play a vital role in preventing stone development (see research [1]). Additionally, NAC has demonstrated potential in minimizing kidney injury during treatments like extracorporeal shock wave lithotripsy, particularly when combined with a gentle voltage approach, hinting at its protective capabilities in clinical settings (see research [3]).
However, its effectiveness in dissolving uric acid stones appears limited, as found in a study where NAC did not exhibit statistically significant results on stone dissolution alone, although it worked well with other agents like theobromine (see research [2]). Furthermore, while NAC may help guard renal cells against high oxalate-induced damage, the intricacies of kidney stone formation necessitate further research to evaluate its comprehensive role (see research [4]). Overall, while NAC exhibits beneficial properties in key areas, its standalone effects and mechanisms require more in-depth investigation to solidify its standing as an effective supplement for kidney stones.
Based on user reviews, many individuals report a range of improvements in their health when using N-acetyl-L-cysteine (NAC). For instance, one user highlighted notable enhancements in their body’s detoxification processes, particularly for the kidneys and liver, noting its effectiveness as an antioxidant and its role in maintaining respiratory health Read Review. Another user specifically mentioned that after six months of use, their condition related to ledderhose was improving, with nodules shrinking and reduced sensitivity—demonstrating how NAC may support various health aspects beyond just detoxification Read Review.
However, it's essential to remember that individual results can vary significantly. Some users expressed concerns about potential adverse effects, such as kidney stones, particularly if hydration levels are inadequate Read Review. While some find success with this supplement, others report limited effectiveness, suggesting that personal conditions, such as hydration and overall health, play a critical role in the observed benefits. Therefore, while many experience positive outcomes, caution and proper usage guidelines are strongly advised Read Review.
Based on user reviews, there are mixed experiences reported regarding the combination of N-acetyl-L-cysteine (NAC) with other supplements for handling kidney stones. Some users emphasize the importance of hydration when taking this supplement, especially alongside multivitamins. One user mentioned taking NAC with a multivitamin, only on days when hydration is manageable, to mitigate potential risks, stating concerns about the possibility of kidney stones if water intake is insufficient Read Review. Another user advised moderation due to its potential link to kidney stones, suggesting a cautious approach when combining NAC with other supplements Read Review.
While some users report positive health benefits from NAC, including improvements in other health conditions, the consensus remains that hydration and careful management of additional supplements are crucial for those concerned about kidney health Read Review. Additionally, concerns about the supplement's effects on kidney function indicate that users should consult with healthcare professionals before combining NAC with other supplements, particularly if they have pre-existing kidney issues or hydration challenges Read Review.
Users report varying experiences regarding the right dosage of N Acetyl Cysteine (NAC) for treating kidney stones. Some reviews highlight that while NAC can be beneficial for kidney health and detoxification, it should be taken with caution and in moderation due to its potential to cause kidney stones Read Review. A user noted concerns about kidney stones, mentioning the necessity of adequate hydration when taking NAC, suggesting that lower doses or responsible intake could mitigate risks Read Review.
Other reviewers emphasize the importance of finding a balance, recommending the product for its overall health benefits but urging users to monitor their intake and hydration levels closely. The consensus appears to be that while NAC can offer support for kidney health, users should be mindful of their dosage and fluid intake to avoid complications Read Review. Unfortunately, the reviews did not specify exact dosage recommendations, leaving the right dose for individual users somewhat vague.
7.5
Nodules shrinking
14 people found this helpful
It has helped with my ledderhose condition. NAC offers many health benefits, including detoxification of the kidneys and liver, enhancing brain health, and stabilising blood glucose. After six months of using this and topical magnesium, my nodules are shrinking and less sensitive. I shall continue its use to see how much further it can assist me. Life Extension provides a supplement with minimal fillers and good dosage at competitive pricing. Highly recommended!
6
Not very effective
I bought this with hopes it would lighten my spots and melasma. I’ve heard it could lead to kidney stones if I don't drink enough water, and I struggle with hydration. I only take it with a multivitamin on days I can manage my water intake. It hasn't been very effective.
9
Protects kidneys
1 people found this helpful
This N-acetyl-L-cysteine (600 mg) from Life Extension is an effective antioxidant that protects my kidneys and liver from toxins. It also maintains respiratory health and supports the synthesis of intracellular glutathione, crucial for cellular processes. NAC is beneficial for both active and older individuals. I highly recommend this supplement.
7.5
Caution advised
This product cleanses the liver and body effectively but can potentially cause kidney stones, so I recommend taking it in moderation.
0
Kidney concern
I wonder if this is harmful to the kidneys.
9
Cystine stone prevention with NAC
Cystine Renal Calculi: New Aspects Related to Their Formation and Development.
We observed how n-acetyl-L-cysteine can impact the formation of cystine kidney stones. The study utilized crystallization experiments to mimic conditions similar to those in the kidneys. Cystine typically requires high supersaturation to crystallize, presenting a challenge since inhibitors, like n-acetyl-cysteine, tend to have reduced effects under such conditions.
Our findings highlighted that in the absence of crystallization inhibitors, crystallization begins within just 15 minutes. However, when n-acetyl-L-cysteine and other thiol agents like penicillamine and tiopronin were present, they completely blocked the crystallization process. Notably, n-acetyl-L-cysteine didn't just stop the formation of cystine crystals; it also altered their shape, which could play a vital role in how stones develop.
Moreover, we explored the structure of 30 cystine stones and found that they start from small crystals, continuously growing into larger structures depending on where they form in the kidney. The prevention of stone development hinges on keeping urinary cystine levels low, which n-acetyl-L-cysteine emerged as the most effective method among those tested. Increased hydration and physical activity further showed promise in helping remove cystine crystals and preventing stone formation.
7
NAC aids kidney protection
Renal protective effect of N-acetylcysteine with stepwise ramping voltage against extracorporeal shock wave lithotripsy-induced renal injury: a prospective randomized trial.
We recently conducted a prospective randomized trial to examine how N-acetylcysteine (NAC) can offer kidney protection during extracorporeal shock wave lithotripsy (ESWL) for treating kidney stones. In our study, we included 164 adult patients who were set to undergo ESWL for single renal stones. To ensure reliable results, we excluded individuals with certain conditions such as radio-lucent stones, diabetes, hypertension, febrile urinary tract infections, and preoperative albuminuria.
Participants were divided into four distinct groups. Some underwent traditional fixed voltage treatments, while others experienced a gradual ramping voltage approach. A few groups also received NAC—600 mg twice a day—before and after the procedure. We measured urinary markers related to kidney injury, such as β-microglobulin and albumin, one day and five days following ESWL.
Our findings showed that the group receiving NAC combined with the gradual ramping voltage displayed no significant changes in urinary markers, indicating kidney protection. While we observed some benefits with NAC, especially in conjunction with the ramping voltage approach, it was noted that no substantial differences emerged regarding treatment effectiveness compared to other methods used. Overall, results suggested NAC could help safeguard the kidneys during ESWL, emphasizing the positive impact of combining it with a gentle ramping voltage treatment.
4
N-acetylcysteine's limited impact
Effect of theobromine on dissolution of uric acid kidney stones.
We explored the effectiveness of N-acetylcysteine in dissolving uric acid kidney stones, a common issue with high rates of recurrence. Conducted in a controlled environment, the study utilized synthetic urine at a pH of 6.5 to simulate conditions in the human body. Over a series of experiments, we observed how both N-acetylcysteine and theobromine affected the dissolution of uric acid stones.
While N-acetylcysteine did show some ability to aid in the dissolution of these stones, its effects were not statistically significant. In contrast, theobromine was noted to significantly increase stone dissolution. Intriguingly, when combined, N-acetylcysteine and theobromine demonstrated similar effects to theobromine alone.
These findings suggest that while N-acetylcysteine may contribute to stone management, it does not appear to offer a strong standalone benefit. The observed enhancement from theobromine indicates its potential as a promising adjunct to existing treatments for managing uric acid kidney stones.
8
NAC offers protective kidney benefits
Apoptosis of human kidney epithelial cells induced by high oxalate and calcium oxalate monohydrate is apurinic/apyrimidinic endonuclease 1 pathway dependent and contributes to kidney stone formation.
We investigated the role of n-acetyl-l-cysteine (NAC) in kidney stone formation, focusing on how high levels of oxalate and calcium oxalate monohydrate (COM) influence renal cells. Our research revealed that exposure to high oxalate leads to kidney cell damage by creating reactive oxygen species (ROS) that trigger apoptosis, or programmed cell death, in human kidney epithelial cells. This toxic environment is mediated by changes in apurinic/apyrimidinic endonuclease 1 (APE1), a critical protein involved in DNA repair and regulation.
Importantly, we found that NAC, an antioxidant, can reverse some of the harmful effects of high oxalate, suggesting that it may protect kidney cells from damage and potentially reduce the risk of stone formation. While these results highlight NAC's protective aspects, the study also indicates that the overall mechanism of kidney stone development remains complex and multifaceted, involving several players beyond just oxidative stress.
In conclusion, our findings shed light on a novel molecular mechanism related to kidney stone formation and highlight the potential therapeutic role of NAC to defend against kidney cell injury. However, further research is needed to fully understand its effectiveness in clinical settings for individuals prone to kidney stones.
References
Grases F, Tomàs Nadal F, Julià Florit F, Costa-Bauza A. Cystine Renal Calculi: New Aspects Related to Their Formation and Development. J Clin Med. 2024;13. 10.3390/jcm13102837
Julià F, Costa-Bauza A, Berga F, Grases F. Effect of theobromine on dissolution of uric acid kidney stones. World J Urol. 2022;40:2105. 10.1007/s00345-022-04059-3
Desoky EAE, Sakr AM, Alhefnawy M, Omran M, Abdalla MMH, et al. Renal protective effect of N-acetylcysteine with stepwise ramping voltage against extracorporeal shock wave lithotripsy-induced renal injury: a prospective randomized trial. Int Urol Nephrol. 2020;52:2261. 10.1007/s11255-020-02580-1
Li L, Peng Y, Liu M, Wang Z, Wang Q, et al. Apoptosis of human kidney epithelial cells induced by high oxalate and calcium oxalate monohydrate is apurinic/apyrimidinic endonuclease 1 pathway dependent and contributes to kidney stone formation. Discov Med. 2019;28:75.