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Sports supplements sold online found to be mislabeled

Posted 14 August 2023

Researchers analyzed 57 dietary supplements sold online and labeled as containing: R vomitoria, methylliberine, turkesterone, halostachine, or octopamine.

The researchers found:

  • no detectable amount of the labeled ingredient in 23 of the products
  • the actual quantity of the labeled ingredient ranged from 0.02% to 334% of the labeled quantity in 34 of the products
  • only six accurately labeled products that contained a quantity of the ingredient within 10% of the labeled quantity
  • seven products that contained at least one ingredient prohibited by the U.S. Food and Drug Administration

Reference:
Cohen PA, and others. Presence and quantity of botanical ingredients with purported performance-enhancing properties in sports supplements. JAMA Network Open, 6(7):e2323879, 2023

Presence and Quantity of Botanical Ingredients With Purported Performance-Enhancing Properties in Sports Supplements

Pieter A. Cohen, MD1,2; Bharathi Avula, PhD3; Kumar Katragunta, PhD3; et alJohn C. Travis, BS4; Ikhlas Khan, PhD3

JAMA Netw … Read the rest