# Fish protein isolate — Food additive regulatory approval status — US FDA vs EU

For Fish protein isolate, jurisdiction is US FDA (21 CFR 172–178); status is permitted; citation is 21 CFR 172.340; use conditions is as a food supplement in accordance with the following prescribed conditions:   ( 1 ) The additive shall consist principally of dried fish protein prepared from the edible portions of fish after removal of the heads, fins, tails, bones, scales, viscera, and intestinal contents, recorded from its source on 2026-08-15.

- **Additive:** Fish protein isolate _(verified: appears in the quote below)_
- **Jurisdiction:** US FDA (21 CFR 172–178) _(our reading, not quoted from the source)_
- **Status:** permitted _(our reading, not quoted from the source)_
- **Citation:** 21 CFR 172.340 _(our reading, not quoted from the source)_
- **Use conditions:** as a food supplement in accordance with the following prescribed conditions:   ( 1 ) The additive shall consist principally of dried fish protein prepared from the edible portions of fish after removal of the heads, fins, tails, bones, scales, viscera, and intestinal contents. _(verified: appears in the quote below)_

## What the source says

> § 172.340 Fish protein isolate. ( a ) The food additive fish protein isolate may be safely used as a food supplement in accordance with the following prescribed conditions: ( 1 ) The additive shall consist principally of dried fish protein prepared from the edible portions of fish after removal of the heads, fins, tails, bones, scales, viscera, and intestinal contents.

## Source

- https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-172

Last verified: 2026-08-15. Review by: 2027-08-15.
Part of [Food additive regulatory approval status — US FDA vs EU](https://referencesource.org/food-additive-approval-status-us-vs-eu/).