New Study Reveals Supplement Labels for Caffeine Are Inaccurate

A recent collaborative study between NSF International, Harvard Medical School and the Uniformed Services University finds that supplements widely available at military bases are mislabeled for caffeine.

The study, which was published in the Journal of the American Medical Association Internal Medicine, looked at 31 of the most popular dietary supplements sold as capsules on military installations. NSF analyzed samples of supplements for caffeine content per serving and compared the results with what was listed on the product labels.

The study found that the caffeine content in supplements is inconsistent and often inaccurately labeled:

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