Alerts

FDA advises consumers to stop using any supplement products labeled as OxyElite Pro or VERSA-1. Please see the following advisories: FDA -10/08/13, FDA - 10/11/13 and CDC - 10/08/13.

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Announcements

New article on reporting side effects of supplements
Just published in The New England Journal of Medicine: A recent article brings up dietary supplement issues you need to be aware of and discusses how dietary supplement side effects could be monitored better. A PDF of the April 3rd article is available free online.

3rd International Congress on Soldiers’ Physical Performance
August 18-21, 2014
The ICSPP delivers innovative scientific programming on soldiers’ physical performance with experts from around the world.

DMAA list updated for April 2014

Fueling Performance Photo Campaign
Share photos of how you fuel your performance and be featured on our Facebook page!

Dietary supplement module
Earn continuing education credits (if eligible) for this two-hour online module.

Operation LiveWell

Performance Triad

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HPRC's human performance optimization (HPO) website is for U.S. Warfighters, their families, and those in the field of HPO who support them. The goal is Total Force Fitness: Warfighters optimized to carry out their mission as safely and effectively as possible.

You are here: Home / Dietary Supplements / OPSS: Operation Supplement Safety / OPSS: Operation Supplement Safety / OPSS Frequently Asked Questions (FAQs) / What does the term "proprietary blend" on supplements mean?

Question

I’ve seen the term “proprietary blend” on the labels of dietary supplement products. What does that mean?

OPSS Answer

A “proprietary blend” on a dietary supplement’s Supplement Facts panel is a list of ingredients that are part of a product formula specific to a particular manufacturer.  FDA requires manufacturers to list all of the ingredients in a product on its label, along with the amount of each (in terms of weight), unless the ingredients are part of a proprietary blend—then the specific amount of each individual ingredient in the blend does not have to be listed, only the total. So it is important to be aware that the exact amount of each ingredient in a proprietary blend (or blend or delivery system) is unknown. This is especially important when a proprietary blend contains stimulant or stimulant-like ingredients, such as caffeine, synephrine, or yohimbine. In fact, the only way to know what is in any particular dietary supplement product is through laboratory testing, which is why it is important to look for third-party certification.

Updated 17 April 2014