Why one good trial isn’t a verdict

A single study is a measurement, not a ruling. Here is how we decide what it’s worth.

Every supplement claim eventually points at a study. The useful question is not whether a study exists, but what kind, how many, and who paid for it.

One trial is one measurement

A randomised trial can be well designed and still land on a fluke. Small samples, short durations and a single site all widen the range of results that chance alone could produce. That is why a second, independent trial matters more than a bigger headline. [1]

Who paid for it

Funding doesn’t make a result wrong, but it changes how hard we look. Every study in our library carries an independence check: who funded it, and whether the authors declared ties to the maker. [2]

What to do with this

Treat a single trial as a reason to keep watching, not a reason to buy. If you already take something, bring the evidence to your clinician and decide together. [3]

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