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What is a "proprietary blend" supplement?

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A "proprietary blend" is a combination of ingredients used only by one supplement manufacturer. No other company makes the exact same combination of ingredients, and, in most cases, you don't know from the label the exact amounts of each ingredient in that blend.

From: FAQs About Dietary Supplements WebMD Medical Reference

SOURCES:

NIH Office of Dietary Supplements: "Dietary Supplements."

FDA: "Dietary Supplements."

FDA: "FDA 101: Dietary Supplements."

FDA: "Food Facts."

NIH Office of Dietary Supplements: "Dietary Supplements: What You Need to Know."

NIH Office of Dietary Supplements: "Frequently Asked Questions (FAQ)."

Reviewed by Melinda Ratini on November 13, 2018

SOURCES:

NIH Office of Dietary Supplements: "Dietary Supplements."

FDA: "Dietary Supplements."

FDA: "FDA 101: Dietary Supplements."

FDA: "Food Facts."

NIH Office of Dietary Supplements: "Dietary Supplements: What You Need to Know."

NIH Office of Dietary Supplements: "Frequently Asked Questions (FAQ)."

Reviewed by Melinda Ratini on November 13, 2018

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What's the difference between RDA and DV?

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