We explored how selenium nanoparticles (SeNPs) could help reduce damage from heart attacks, specifically ischemia/reperfusion injury (I/RI). Using a method to create these nanoparticles, we found they possess remarkable properties that combat oxidative stress and inflammation.
SeNPs seem to disrupt harmful cellular cycles, thereby protecting heart cells. Notably, they improved heart function and reduced cell death and scar tissue in tests. Overall, these findings suggest that SeNPs could be a valuable approach in managing heart conditions after a heart attack.
Read More
8
Selenium improves heart recovery
Selenium-loaded porous silica nanospheres improve cardiac repair after myocardial infarction by enhancing antioxidant activity and mitophagy.
We explored the use of selenium-loaded porous silica nanospheres (Se@PSN) as a promising treatment for myocardial infarction (MI). This innovative approach targets harmful reactive oxygen species (ROS), which damage heart cells. By improving antioxidant activity and supporting mitochondrial function, Se@PSN help reduce heart tissue damage and maintain cardiac function after a heart attack. The findings suggest that Se@PSN could be a significant advancement for MI treatments and may offer hope in the clinical realm.
Read More
9.5
Selenium and zinc reduce DCMP risk
Association between dietary selenium and zinc intake and risk of dilated cardiomyopathy in children: a case-control study.
We looked into how dietary selenium and zinc affect the risk of dilated cardiomyopathy (DCMP) in children. In this case-control study, 36 patients with DCMP were compared to 72 healthy children, assessing their dietary intakes using a food frequency questionnaire.
Our findings revealed that sufficient intake of selenium and zinc significantly lowered the risk of DCMP, suggesting that these nutrients play a protective role. Addressing nutritional deficiencies could improve heart health in affected children, although more research is needed to explore the underlying mechanisms.
Read More
Most Useful Reviews
9
Heart tissue protection
4 people found this helpful
N-acetylcysteine (NAC) is an antioxidant used for respiratory diseases. Acetylcysteine offers various benefits, including antioxidant action, protecting the throat and lungs, improving immunity, and reducing kidney and liver damage. It stabilises blood sugar and helps reduce the risk of heart disease by preventing oxidative damage to heart tissue.
Read More
9
Pressure regulation
NAC may lower the risk of heart disease by reducing cholesterol and blood pressure and improving blood flow. Research indicates that NAC mitigates oxidative stress and prevents metabolic shifts in heart tissue.
Read More
9
Heart health improvement
An indispensable drug, NAC may reduce heart disease risk by lowering cholesterol and blood pressure while improving blood flow. Research shows that it reduces oxidative stress and prevents metabolic shifts in heart tissue.
We looked into how dietary selenium and zinc affect the risk of dilated cardiomyopathy (DCMP) in children. In this case-control study, 36 patients with DCMP were compared to 72 healthy children, assessing their dietary intakes using a food frequency questionnaire.
Our findings revealed that sufficient intake of selenium and zinc significantly lowered the risk of DCMP, suggesting that these nutrients play a protective role. Addressing nutritional deficiencies could improve heart health in affected children, although more research is needed to explore the underlying mechanisms.
Read More
9
Selenium nanoparticles support heart health
Mitigation of ischemia/reperfusion injury via selenium nanoparticles: Suppression of STAT1 to inhibit cardiomyocyte oxidative stress and inflammation.
We explored how selenium nanoparticles (SeNPs) could help reduce damage from heart attacks, specifically ischemia/reperfusion injury (I/RI). Using a method to create these nanoparticles, we found they possess remarkable properties that combat oxidative stress and inflammation.
SeNPs seem to disrupt harmful cellular cycles, thereby protecting heart cells. Notably, they improved heart function and reduced cell death and scar tissue in tests. Overall, these findings suggest that SeNPs could be a valuable approach in managing heart conditions after a heart attack.
Read More
9
High selenium diet aids heart health
High selenium diet attenuates pressure overload-induced cardiopulmonary oxidative stress, inflammation, and heart failure.
We explored how a high selenium diet impacts heart health, especially under stress conditions like systolic overload. Using male mice, we compared those on a high selenium diet with those on a normal diet.
While high selenium didn’t change heart function under normal conditions, it significantly protected against heart issues caused by overload, reducing inflammation and heart muscle growth.
This suggests that a high selenium diet can be beneficial in combating certain heart problems, providing a proactive step for heart health.
Read More
9
Selenium compound shows heart protection
A novel histone deacetylase inhibitor Se-SAHA attenuates isoproterenol-induced heart failure via antioxidative stress and autophagy inhibition.
We investigated the effects of a new selenium-containing compound, Se-SAHA, on heart failure caused by isoproterenol. Our study found that Se-SAHA helped protect heart cells from damage, reducing cardiac hypertrophy and fibrosis in lab models.
It effectively lowered harmful reactive oxygen species and increased vital antioxidative enzymes. Additionally, Se-SAHA hindered the buildup of autophagosomes and reversed certain harmful protein expressions linked to heart stress. Overall, these findings suggest that Se-SAHA could play a protective role in heart health by reducing oxidative stress and altering autophagic processes.
Read More
9
Selenium delivery shows cardiac promise
Biosynthesis of fungus-based oral selenium microcarriers for radioprotection and immuno-homeostasis shaping against radiation-induced heart disease.
We investigated the use of a new selenium delivery system to combat radiation-induced heart disease, which is a serious concern for cancer patients undergoing thoracic radiation. Our innovative oral microcarriers showed remarkable effects in protecting heart cells from radiation damage by reducing harmful reactive oxygen species.
Not only did this method improve heart function and reduce signs of damage, but it also supported the immune system by increasing beneficial immune cells after radiation exposure. These promising results suggest that selenium could play a key role in helping to manage and prevent heart complications from radiation therapy.
N-acetylcysteine (NAC) is an antioxidant used for respiratory diseases. Acetylcysteine offers various benefits, including antioxidant action, protecting the throat and lungs, improving immunity, and reducing kidney and liver damage. It stabilises blood sugar and helps reduce the risk of heart disease by preventing oxidative damage to heart tissue.
Read More
9
Pressure regulation
NAC may lower the risk of heart disease by reducing cholesterol and blood pressure and improving blood flow. Research indicates that NAC mitigates oxidative stress and prevents metabolic shifts in heart tissue.
Read More
9
Heart health improvement
An indispensable drug, NAC may reduce heart disease risk by lowering cholesterol and blood pressure while improving blood flow. Research shows that it reduces oxidative stress and prevents metabolic shifts in heart tissue.
Read More
6
Supports heart function
I recommend this high-quality combination of two drugs. The first is strong and acts as an antioxidant, enhancing iodine absorption in the body. It protects the thyroid gland from free radical damage, plays a role in activating thyroid hormones, and is beneficial for heart disease and hypertension, especially post-myocardial infarction. The composition's ingredients are of excellent quality, and the capsules are medium in size and easy to swallow.
Read More
6
Risk reduction
Good, a nice supply of NAC. Reducing oxidative stress with antioxidants like NAC can help lower the risk of certain health conditions, such as heart disease, diabetes, and infertility.
Heart disease refers to a range of conditions that affect the heart's function and overall health. This umbrella term includes various cardiovascular issues such as coronary artery disease, which is caused by the buildup of plaque in the arteries; heart rhythm problems (arrhythmias); and heart defects present at birth (congenital heart defects). Additionally, heart disease encompasses conditions related to the heart muscle, such as cardiomyopathy, and the heart's valves, which might not open or close properly. The effects of heart disease can be significant, impacting not only physical health but also quality of life, making prevention and timely medical intervention crucial.
Several risk factors contribute to the development of heart disease, including high blood pressure, high cholesterol levels, diabetes, obesity, poor diet, physical inactivity, and smoking. Genetics also play a role, as heart disease can run in families. To mitigate the risks, healthcare professionals typically recommend lifestyle changes such as adopting a heart-healthy diet, engaging in regular physical activity, and avoiding tobacco use. For those already diagnosed with heart disease, treatment options can vary widely, ranging from lifestyle modifications to medications and, in severe cases, surgical interventions. Understanding the nature of heart disease and its risk factors is an essential step toward prevention and effective management.
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, many individuals taking N-acetylcysteine (NAC) for heart health often report changes within a few weeks to a couple of months. Users highlight that NAC's antioxidant properties play a significant role in reducing oxidative stress, which in turn may help lower cholesterol and blood pressure, thereby improving heart health.Read ReviewRead Review Furthermore, some users express noticeable benefits after extended use, suggesting a cumulative effect as the body adapts to better cardiovascular function over time.Read Review
However, individual responses may vary, and the timeline for seeing results can depend on several factors, such as dosage, the individual’s health condition, and their overall lifestyle. As always, incorporating supplements into your regimen should be done under the guidance of a healthcare professional, particularly for those with existing health conditions.Read Review
Researchers have identified several promising benefits of selenium related to heart health, particularly in the treatment and management of heart disease. Notably, studies have shown that selenium-loaded compounds can enhance heart recovery after events like myocardial infarction by reducing oxidative stress and improving mitochondrial function [1]. Selenium appears to protect heart cells from damage induced by various stressors, such as environmental pollutants [2] and potentially harmful metals [8]. This suggests that adequate selenium intake may offer a protective mechanism against heart-related issues.
Additionally, selenium's role in combating conditions like cardiac hypertrophy and oxidative stress has been highlighted in multiple studies, emphasizing its potential as a therapeutic agent in heart disease management. For instance, selenium nanoparticles have shown efficacy in improving outcomes after ischemia/reperfusion injury, suggesting this supplement might indeed serve as a valuable component in heart health strategies [4]. The cumulative evidence indicates that selenium supplementation could support heart health, although further research is required to optimize its use and explore all underlying mechanisms [11].
Based on user reviews, many individuals taking N-acetylcysteine (NAC) have reported various improvements in their symptoms related to respiratory and cardiovascular health. Specifically, users have noted enhanced respiratory function, leading to better overall lung health and immunity. For instance, one reviewer highlighted NAC's antioxidant properties, which help protect the throat and lungs, while another noted its role in reducing kidney and liver damage and stabilizing blood sugar levels Read Review. Furthermore, users also indicate that NAC may effectively lower cholesterol and blood pressure levels, thus reducing the risk of heart disease Read ReviewRead Review.
Moreover, individuals have shared positive experiences regarding the overall quality of life improvements, such as increased energy levels and decreased feelings of toxicity. For example, some users reported that NAC may help mitigate oxidative stress and its associated health risks, resulting in benefits for conditions like heart disease and even maintaining psychological well-being Read Review. Individual results can vary significantly, so it’s essential that new users consult with healthcare professionals before starting NAC to ascertain the appropriate use and dosage tailored to their specific health needs Read Review.
Many users report positive experiences when combining N-acetylcysteine (NAC) with other supplements for managing heart disease. Several reviews emphasize NAC's effectiveness in reducing cholesterol and blood pressure, which are crucial factors in heart health. For instance, users have noted that NAC can improve blood flow and mitigate oxidative stress, potentially lowering the risk of heart disease Read ReviewRead Review. Additionally, one reviewer mentioned a beneficial combination of NAC with another antioxidant that enhances iodine absorption, highlighting its protective effects on the thyroid and heart health particularly post-myocardial infarction Read Review.
Users also indicate that incorporating supplements like Omega 3 fish oil alongside NAC may further support cardiovascular health. One reviewer pointed out that Omega 3 combined with NAC is highly recommended for individuals with heart disease, noting its role in reducing inflammation and cholesterol levels Read Review. Overall, users seem to advocate for a synergistic approach, blending NAC with other supplements to maximize heart health benefits while emphasizing the importance of consulting healthcare professionals before starting new supplement regimens.
Users report that N-Acetyl Cysteine (NAC) may play a beneficial role in reducing heart disease risk through its antioxidant properties. Many reviews highlight NAC's ability to lower cholesterol and blood pressure, as well as improve blood flow, thereby assisting in safeguarding heart health. Reviewers note that NAC's effects of reducing oxidative stress and preventing metabolic shifts within heart tissue are particularly advantageous Read ReviewRead Review. Additionally, some users specifically emphasize its importance for individuals recovering from heart-related issues, such as post-myocardial infarction Read Review.
While many reviews affirm the potential cardiovascular benefits of NAC, they also universally recommend consulting a healthcare professional before starting any new supplement regimen, particularly for those with existing heart conditions. The importance of determining the right dose is underscored, as individual requirements may vary based on health status and concurrent medications Read Review. Ultimately, users advocate for careful consideration when integrating NAC into one's health plan to fully harness its heart health benefits.
9
Pressure regulation
NAC may lower the risk of heart disease by reducing cholesterol and blood pressure and improving blood flow. Research indicates that NAC mitigates oxidative stress and prevents metabolic shifts in heart tissue.
9
Heart health improvement
An indispensable drug, NAC may reduce heart disease risk by lowering cholesterol and blood pressure while improving blood flow. Research shows that it reduces oxidative stress and prevents metabolic shifts in heart tissue.
6
Supports heart function
I recommend this high-quality combination of two drugs. The first is strong and acts as an antioxidant, enhancing iodine absorption in the body. It protects the thyroid gland from free radical damage, plays a role in activating thyroid hormones, and is beneficial for heart disease and hypertension, especially post-myocardial infarction. The composition's ingredients are of excellent quality, and the capsules are medium in size and easy to swallow.
9
Heart tissue protection
4 people found this helpful
N-acetylcysteine (NAC) is an antioxidant used for respiratory diseases. Acetylcysteine offers various benefits, including antioxidant action, protecting the throat and lungs, improving immunity, and reducing kidney and liver damage. It stabilises blood sugar and helps reduce the risk of heart disease by preventing oxidative damage to heart tissue.
6
Detox support
Good, NAC may reduce the impact of toxins on the body by maintaining glutathione levels. Adequate glutathione can prevent oxidative stress and reduce undesirable effects, including heart disease, infertility, and psychiatric disorders.
7.5
Overall health benefits
The quality is excellent, with benefits noted especially for women. My hair condition has improved, and Omega 3 fish oil is crucial for women! The ingredients are great; it reduces cholesterol and inflammation. Highly recommended for those with heart disease, though the taste is bland. Always consult your doctor before use.
8
Selenium improves heart recovery
Selenium-loaded porous silica nanospheres improve cardiac repair after myocardial infarction by enhancing antioxidant activity and mitophagy.
We explored the use of selenium-loaded porous silica nanospheres (Se@PSN) as a promising treatment for myocardial infarction (MI). This innovative approach targets harmful reactive oxygen species (ROS), which damage heart cells. By improving antioxidant activity and supporting mitochondrial function, Se@PSN help reduce heart tissue damage and maintain cardiac function after a heart attack. The findings suggest that Se@PSN could be a significant advancement for MI treatments and may offer hope in the clinical realm.
7
Environmental metals and heart risk
Association of environmental metallic and metalloid contaminants with cardiovascular and all-cause mortality: An umbrella review of systematic reviews and meta-analyses.
We examined the impact of environmental metallic and metalloid pollutants, such as arsenic and lead, on heart disease and overall mortality by reviewing existing meta-analyses and systematic reviews. Our search included databases like PubMed and Web of Science, identifying various health outcomes associated with these contaminants.
Worryingly, exposure to harmful metals correlated with increased cardiovascular events. However, we found promising indications that zinc and selenium might provide some protective benefits against heart disease and mortality. While the evidence varied in quality, the protective potential of selenium remains a positive takeaway.
7
Mixed metals affect heart health
Associations of multiple blood metals with cardiac structure and function: A cross-sectional study in a CAD population.
We examined how different metals in the blood relate to heart issues in individuals with coronary artery disease (CAD). Our cross-sectional study included 1,555 CAD patients in Southwest China, where we measured the blood concentrations of 14 metals.
Interestingly, we found that lower levels of certain metals, particularly copper and manganese, were linked to poorer cardiac structure and function. On a positive note, higher levels of selenium showed beneficial effects. This suggests that adding selenium or tin might counteract the negative impacts of harmful metals on heart health.
9
Selenium nanoparticles support heart health
Mitigation of ischemia/reperfusion injury via selenium nanoparticles: Suppression of STAT1 to inhibit cardiomyocyte oxidative stress and inflammation.
We explored how selenium nanoparticles (SeNPs) could help reduce damage from heart attacks, specifically ischemia/reperfusion injury (I/RI). Using a method to create these nanoparticles, we found they possess remarkable properties that combat oxidative stress and inflammation.
SeNPs seem to disrupt harmful cellular cycles, thereby protecting heart cells. Notably, they improved heart function and reduced cell death and scar tissue in tests. Overall, these findings suggest that SeNPs could be a valuable approach in managing heart conditions after a heart attack.
9
Selenium compound shows heart protection
A novel histone deacetylase inhibitor Se-SAHA attenuates isoproterenol-induced heart failure via antioxidative stress and autophagy inhibition.
We investigated the effects of a new selenium-containing compound, Se-SAHA, on heart failure caused by isoproterenol. Our study found that Se-SAHA helped protect heart cells from damage, reducing cardiac hypertrophy and fibrosis in lab models.
It effectively lowered harmful reactive oxygen species and increased vital antioxidative enzymes. Additionally, Se-SAHA hindered the buildup of autophagosomes and reversed certain harmful protein expressions linked to heart stress. Overall, these findings suggest that Se-SAHA could play a protective role in heart health by reducing oxidative stress and altering autophagic processes.
References
Li T, Liu X, Yang B, Wang Z, Chen Y, et al. Selenium-loaded porous silica nanospheres improve cardiac repair after myocardial infarction by enhancing antioxidant activity and mitophagy. Free Radic Biol Med. 2025;232:292. 10.1016/j.freeradbiomed.2025.03.004
He X, Sun H, Zhao Y, Fu X, Wang M, et al. Association of environmental metallic and metalloid contaminants with cardiovascular and all-cause mortality: An umbrella review of systematic reviews and meta-analyses. Eur J Prev Cardiol. 2025. 10.1093/eurjpc/zwaf118
Li T, Yang B, Liu X, Shi D, Wang Z, et al. Silica Nanoparticles Loaded With Selenium Quantum Dots Reduce Myocardial Ischemia-Reperfusion Injury by Alleviating Ferroptosis and Mitochondrial Dysfunction. Int J Nanomedicine. 2025;20:1843. 10.2147/IJN.S500810
Chen C, Ma J, Duan S, Xue M, Yang Z, et al. Mitigation of ischemia/reperfusion injury via selenium nanoparticles: Suppression of STAT1 to inhibit cardiomyocyte oxidative stress and inflammation. Biomaterials. 2025;318:123119. 10.1016/j.biomaterials.2025.123119
Chen Q, Wang WY, Xu QY, Dai YF, Zhu XY, et al. The enhancing effects of selenomethionine on harmine in attenuating pathological cardiac hypertrophy via glycolysis metabolism. J Cell Mol Med. 2024;28:e70124. 10.1111/jcmm.70124
Heuer RM, Falagan-Lotsch P, Okutsu J, Deperalto M, Koop RR, et al. Therapeutic Efficacy of Selenium Pre-treatment in Mitigating Cadmium-Induced Cardiotoxicity in Zebrafish (Danio rerio). Cardiovasc Toxicol. 2024;24:1287. 10.1007/s12012-024-09910-0
Bhattarai U, Xu R, He X, Pan L, Niu Z, et al. High selenium diet attenuates pressure overload-induced cardiopulmonary oxidative stress, inflammation, and heart failure. Redox Biol. 2024;76:103325. 10.1016/j.redox.2024.103325
Sun Y, Mao Q, Zhou D, Tian J, Du H, et al. Associations of multiple blood metals with cardiac structure and function: A cross-sectional study in a CAD population. Environ Pollut. 2024;360:124718. 10.1016/j.envpol.2024.124718
Marhamati S, Younesian O, Mir SM, Hosseinzadeh S, Joshaghani HR, et al. The effects of high doses of selenium supplementation on mRNA and protein levels of cMLCK levels and total antioxidant capacity in rat heart tissue. Food Chem Toxicol. 2024;191:114886. 10.1016/j.fct.2024.114886
Masle AM, Kibel A, Jukić I, Čičak P, Selthofer-Relatić K, et al. Enhancing Endothelial Function with Nutrient-Enriched Table Hen Eggs: A Randomized Study in Patients Recovering from Acute Coronary Syndrome. Clin Interv Aging. 2024;19:953. 10.2147/CIA.S461821
Cheng T, Liu C, Wang Y, Li G, Feng L, et al. A novel histone deacetylase inhibitor Se-SAHA attenuates isoproterenol-induced heart failure via antioxidative stress and autophagy inhibition. Toxicol Appl Pharmacol. 2024;487:116957. 10.1016/j.taap.2024.116957
Liu C, Wang W, Lai H, Chen Y, Li L, et al. Biosynthesis of fungus-based oral selenium microcarriers for radioprotection and immuno-homeostasis shaping against radiation-induced heart disease. Bioact Mater. 2024;37:393. 10.1016/j.bioactmat.2024.03.034
Aryafar M, Mahdavi M, Shahzadi H, Ranjbar YR, Sohouli MH, et al. Association between dietary selenium and zinc intake and risk of dilated cardiomyopathy in children: a case-control study. BMC Pediatr. 2024;24:251. 10.1186/s12887-024-04706-1
Karaye KM, Sa'idu H, Ishaq NA, Balarabe SA, Ahmed BG, et al. Selenium Deficiency as a Risk Factor for Peripartum Cardiomyopathy. West Afr J Med. 2024;41:209.
Li SJ, Wang AW, Huang KL, Yang Y. Recent Advances on Selenium Nutrition and Keshan Disease. Int Heart J. 2024;65:173. 10.1536/ihj.23-628
Al-Mubarak AA, Markousis Mavrogenis G, Guo X, De Bruyn M, Nath M, et al. Biomarker and transcriptomics profiles of serum selenium concentrations in patients with heart failure are associated with immunoregulatory processes. Redox Biol. 2024;70:103046. 10.1016/j.redox.2024.103046