Independent summaries of clinical studies, reviews, and preprints covering supplements and adjacent health topics. Every summary names the study type and links to the original paper.
A new sleep-nutrition review places L-theanine in the serious sleep-support conversation — but the strongest read is relaxation and wind-down support, not a guaranteed insomnia fix.
A 2025 meta-analysis of 41 randomized trials found psyllium modestly lowered LDL and total cholesterol, with no clear effect on triglycerides or HDL.
People usually want to know whether ashwagandha meaningfully helps everyday stress, how fast it works, and whether the hype around cortisol is backed by actual trials.
Search by supplement, health goal, or evidence strength.
Try “sleep,” “stress,” “LDL,” “ashwagandha,” or “creatine.”
A large genetics study suggests vitamin D and depression may share underlying biology — making vitamin D status a smart marker to know, track, and correct when low.
A new sleep-nutrition review places L-theanine in the serious sleep-support conversation — but the strongest read is relaxation and wind-down support, not a guaranteed insomnia fix.
A 2025 meta-analysis of 41 randomized trials found psyllium modestly lowered LDL and total cholesterol, with no clear effect on triglycerides or HDL.
People usually want to know whether ashwagandha meaningfully helps everyday stress, how fast it works, and whether the hype around cortisol is backed by actual trials.
A targeted probiotic looked promising for high-protein diets, but the clearest effects showed up in specific gut-microbiome subgroups rather than across everyone taking it.
Most beta-alanine data come from men or mixed groups, so this analysis zeroes in on what female-only trials actually show.
