Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Algal protein, derived primarily from microalgae such as Spirulina and Chlorella, has gained attention for its potential benefits in managing blood lipid profiles, including elevated triglycerides. Several studies have investigated the effects of algal-derived supplements on lipid metabolism. Clinical trials, particularly those involving Spirulina, have demonstrated modest reductions in serum triglyceride levels in individuals with dyslipidemia and metabolic syndrome. For example, a randomized controlled trial published in Lipids in Health and Disease (2014) reported that daily supplementation with 1-4 grams of Spirulina for 12 weeks resulted in a significant decrease in triglyceride levels compared to placebo. The proposed mechanisms include improved lipid metabolism, antioxidant effects, and the presence of bioactive compounds such as phycocyanin and polyunsaturated fatty acids, which may contribute to lipid-lowering effects.

However, not all studies have shown consistent results, and the magnitude of triglyceride reduction is generally modest. Additionally, most research focuses on whole algae or extracts rather than isolated algal protein. Nonetheless, because algal protein-rich supplements often contain these bioactive compounds, some benefit is plausible. Further high-quality, large-scale studies are needed to establish the efficacy and optimal dosing. At present, the use of algal protein to support high triglycerides is supported by moderate scientific evidence, but it should not replace established medical therapies.

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