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Search and filter peer-reviewed studies by supplement, study type, or year.
58,293
433
1965–2026
RCTs
43,380 studies
The State of Supplement Evidence (2026)
We scored 433 supplements against the evidence — what the data shows.
Significance Without Size: How Supplement Trials Report
Almost every trial reports a p-value — only one in six reports the effect size. Why that matters.
The most notable new supplement research, delivered to your inbox a few times a month.