Sentences with phrase «though most dietary supplements»

Though most dietary supplements with steroid precursors are not available over the counter, it is possible to buy them illegally.

Not exact matches

To be clear, the FDA does not approve most nootropics as brain enhancers, though many compounds within these drugs have been approved as dietary supplements.

Today, alternative therapies including traditional Chinese herbal medicines (TCHM) have achieved astonishing popularity even though they are not encouraged by the U.S. Food and Drug Administration, which classifies most plant drugs as dietary supplements or food additives and also places severe limitations on labelling.