Supplements for high cholesterol
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Supplements for High Cholesterol: A Comprehensive Review
Esterified Plant Sterols and Stanols
Efficacy in Reducing LDL Cholesterol
Esterified plant sterols and stanols have been shown to significantly reduce LDL cholesterol levels. A study involving a softgel dietary supplement containing 1.8 g/day of these compounds demonstrated notable reductions in LDL cholesterol (-4.3%), non-HDL cholesterol (-4.1%), and total cholesterol (-3.5%) in individuals with primary hypercholesterolemia . This suggests that plant sterols and stanols can be an effective adjunct to dietary interventions for managing high cholesterol.
Black Rice Anthocyanin Extract (BRAE)
Impact on Cholesterol Metabolism and Gut Health
Black rice anthocyanin extract (BRAE) has been found to improve cholesterol metabolism and gut microbiota in hypercholesterolemic mice. Supplementation with BRAE led to reductions in body weight, serum triglycerides, total cholesterol, and non-HDL cholesterol levels. Additionally, it increased fecal sterol excretion and caecal short-chain fatty acids, indicating a beneficial effect on gut health . These findings suggest that BRAE could be a promising supplement for managing high cholesterol and related metabolic disorders.
Probiotics
Effects on Lipid Profiles
Probiotic supplementation has shown potential in improving lipid profiles. A meta-analysis of randomized controlled trials revealed that probiotics can reduce total cholesterol (mean difference -0.17 mmol/L) and LDL cholesterol (mean difference -0.22 mmol/L) . The efficacy was more pronounced with long-term use and in individuals with mildly elevated cholesterol levels. Probiotics, particularly those containing Lactobacillus acidophilus, may thus be beneficial for cholesterol management.
Vitamin C
Reduction in LDL Cholesterol and Triglycerides
Vitamin C supplementation has been associated with significant reductions in LDL cholesterol and triglycerides. A meta-analysis of 13 randomized controlled trials found that daily intake of at least 500 mg of vitamin C resulted in a decrease in LDL cholesterol by 7.9 mg/dL and triglycerides by 20.1 mg/dL . This suggests that vitamin C could be a useful supplement for lowering cholesterol levels.
Soy Protein and Phytosterols
Benefits for Metabolic Syndrome and Elevated LDL Cholesterol
A combination of soy protein, phytosterols, hops rho iso-alpha acids, and Acacia nilotica proanthocyanidins has been shown to improve lipid profiles in individuals with metabolic syndrome and elevated LDL cholesterol. This combination led to significant improvements in total cholesterol, LDL cholesterol, non-HDL cholesterol, and other lipid-related markers . This indicates that such a supplement could be effective for individuals at high cardiovascular risk.
Flaxseed
Limited Efficacy in Children
A study on dietary flaxseed supplementation in children with hypercholesterolemia found no significant benefits in reducing total or LDL cholesterol. In fact, it was associated with adverse changes in the lipid profile, such as increased triglycerides . Therefore, flaxseed may not be a viable option for managing high cholesterol in children.
Naringin
Lipid-Lowering and Antioxidant Effects
Naringin, a flavonoid found in citrus fruits, has demonstrated lipid-lowering effects in hypercholesterolemic subjects. Supplementation with naringin resulted in a 14% reduction in total cholesterol and a 17% reduction in LDL cholesterol. Additionally, it enhanced antioxidant enzyme activities, suggesting a dual benefit in managing cholesterol and oxidative stress .
Fish Oil
Reduction in Triglycerides
Fish oil supplementation is well-documented for its ability to reduce triglyceride levels. A meta-analysis of 47 studies confirmed that fish oils significantly lower triglycerides by 0.34 mmol/L, although they have minimal impact on total, HDL, and LDL cholesterol . Fish oil can thus be particularly useful for individuals with elevated triglycerides.
Ginger
Effect on Lipid Parameters
Ginger supplementation has shown favorable effects on lipid parameters, particularly in reducing triglycerides and LDL cholesterol. A meta-analysis indicated that low doses of ginger (≤2 g/day) were more effective in lowering total cholesterol and triglycerides . This suggests that ginger could be a beneficial supplement for managing cholesterol levels.
Selenium and Magnesium Co-Supplementation
Lipid-Lowering and Antioxidative Benefits
Co-supplementation with selenium and magnesium has been found to lower cholesterol levels and enhance antioxidant enzyme activities in hyperlipidemic rats. This combination significantly reduced total cholesterol, LDL cholesterol, and triglycerides while improving liver function and reducing oxidative stress . These findings highlight the potential of selenium and magnesium as a therapeutic strategy for hyperlipidemia.
Conclusion
Various dietary supplements, including esterified plant sterols, black rice anthocyanin extract, probiotics, vitamin C, soy protein, naringin, fish oil, ginger, and selenium-magnesium combinations, have shown promise in managing high cholesterol. Each supplement offers unique benefits, and their efficacy can vary based on individual health conditions and specific lipid parameters. Consulting with healthcare professionals before starting any supplementation is crucial for personalized and effective cholesterol management.
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