What does the evidence actually say?
Clear reviews of supplements for fitness, metabolic health and healthy ageing. We explain the human research, the size of the benefit, the limitations and the safety considerations.
Latest from the evidence desk
Supplement reviews & research updates
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We prioritise human research and explain study quality, effect sizes and uncertainty. Every grade applies to a specific health claim.
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Human evidence, with direct references and clear study limitations.
Claim-specific evidence grades that distinguish confidence from the size of the benefit.
Practical summaries of benefits, safety findings, and study limitations.