Compliance & FDAUpdated June 2026By ReguSift Editorial Team

How does ReguSift handle proprietary blends under FDA rules?

ReguSift fully automates the complex sorting of proprietary blends. Under 21 CFR 101.36, components of a proprietary blend must be listed in descending order of predominance by weight, but their specific quantitative amounts can be omitted. ReguSift automatically verifies weight order, calculates the overall blend %DV, and formats the sub-ingredients with standard FDA indentations and symbol footnotes.

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