Evidence library
Supplement evidence overviews
Plain-language summaries of what the published research does and doesn't show for each supplement below. Every page is sourced from PubMed clinical literature, and built on the same methodology behind our personalized reports.
Sleep quality
Cognitive function
Weight management
Athletic performance
Start from what you're trying to change.
Five goals, and the supplements whose published research concentrates most on each. The number is how many PubMed studies target that goal. This is where the research has gone, not a ranking of what works.
By study volume
Where the published research runs deepest
Browse by category
Supplements we've already written up
Pick a goal and the same literature becomes a focused report, free, for every supplement below. On Starter that report is written for your age and sex, for any supplement indexed on PubMed.
Vitamins4
Amino Acids4
Nootropics1
Antioxidants5
Hormonal & Metabolic1
Peptides2
Minerals4
Fatty Acids2
Herbs & Botanicals5
Performance2
Probiotics & Gut Health1
Longevity2
Beyond the pages above
Every supplement here, and everything else indexed on PubMed
A personalized report runs a live search across 40M+ citations, so any indexed supplement can have one. The 33 above are the ones that also have a public overview written.
Any supplement, your goal
Get any supplement here as a full report, free
Generate a free report on any supplement listed here: per-goal evidence breakdown, full citation list, and a safety section covering all adults. On Starter, reports are written for your age and sex too.
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