Dietary Ingredient

NAC (n-acetyl cysteine) capsules. Image © Ivan Martynov / Getty Images

CRN: ‘This is not the final word on NAC’

By Stephen Daniells

While Amazon moves ahead with removing NAC-containing dietary supplements from its website, the FDA’s Office of Dietary Supplement Programs (ODSP) acknowledges that it is still reviewing the information around the ingredient.

Getty Images /  clsgraphics

Researchers zero in on supplement use among college athletes

By Danielle Masterson

The high prevalence of dietary supplementation use in the athletic population means there is a risk of inadvertent doping for those users who don’t do their research or get their information from reliable sources.

Vinpocetine is derived from vincamine obtained from the lesser periwinkle plant (Vinca minor L.). Image © Ryan Kaldari

Linnea requests FDA to withdrawal vinpocetine notice

By Stephen Daniells

Ingredient supplier Linnea has added its voice to the vinpocetine issue, submitting comments requesting the FDA to withdraw the tentative conclusion that vinpocetine cannot be used as a dietary ingredient.

Trade groups urge FDA to reconsider stance on vinpocetine

Trade groups urge FDA to reconsider stance on vinpocetine

By Hank Schultz

Trade organizations representing the dietary supplement industry urged the Food and Drug Administration to reverse its tentative conclusion that vinpocetine, despite several successful NDI filings, is no longer a legal dietary ingredient.

Lesser Periwinkle Plant (Vinca minor). Image © Ryan Kaldari

Senator Hatch urges withdrawal of vinpocetine notice

By Stephen Daniells

Dietary supplement champion Sen Orrin Hatch (R-UT) is calling for the withdrawal of a Federal Register Notice that questioned the regulatory status of vinpocetine as a new dietary ingredient.

© iStock / Olgaorly

Self-affirmed GRAS omitted from new NDI draft guidance

By Stephen Daniells

The devil is in the detail, and one detail easily missed in the new draft guidance for new dietary ingredient notifications is that self-affirmed GRAS is no longer mentioned as an ‘alternative’ to an NDI notification.

FDA warns 7 companies over methylsynephrine

FDA warns 7 companies over methylsynephrine

By Stephen Daniells

The US Food and Drug Administration has issued warning letters to 7 companies regarding a total of 8 products marketed as dietary supplements and containing methylsynephrine as a dietary ingredient.


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