Research
Molecular
Stacking some supplements may provide additional benefits, but can also lead to unintentional ingredient doubling.
Athletes should be cautious about stacking to avoid negative interactions.
LimitedQualifiesmedium confidence
While stacking some supplements may provide additional benefits, some athletes may not be aware that taking multiple supplement products creates the potential for doubling up on some ingredients.
Why this rating
The claim is based on theoretical support and limited studies.
Source
A–Z of nutritional supplements: dietary supplements, sports nutrition foods and ergogenic aids for health and performance—Part 37
J Pearce et al. · British Journal of Sports Medicine · 2012
DOI 10.1136/bjsports-2012-091626
reviewCited 12×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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