# 21 C.F.R. § 172.365 (2026): Kelp

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_365

## Section

- **Citation:** 21 C.F.R. § 172.365 (2026)
- **Heading:** Kelp
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 21 CFR: Food and Drugs / Chapter I: FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES / Part 172: FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION / Subpart D: Special Dietary and Nutritional Additives / § 172.365: § 172.365   Kelp.

## Text

Kelp may be safely added to a food as a source of the essential mineral iodine, provided the maximum intake of the food as may be consumed during a period of one day, or as directed for use in the case of a dietary supplement, will not result in daily ingestion of the additive so as to provide a total amount of iodine in excess of 225 micrograms for foods labeled without reference to age or physiological state; and when age or the conditions of pregnancy or lactation are specified, in excess of 45 micrograms for infants, 105 micrograms for children under 4 years of age, 225 micrograms for adults and children 4 or more years of age, and 300 micrograms for pregnant or lactating women. The food additive kelp is the dehydrated, ground product prepared from
Macrocystis pyrifera, Laminaria digitata, Laminaria saccharina,
and
Laminaria cloustoni.

## Nearby sections

- [21 C.F.R. § 172.310 (2026) § 172.310   Aluminum nicotinate.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_310.md)
- [21 C.F.R. § 172.315 (2026) § 172.315   Nicotinamide-ascorbic acid complex.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_315.md)
- [21 C.F.R. § 172.320 (2026) § 172.320   Amino acids.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_320.md)
- [21 C.F.R. § 172.325 (2026) § 172.325   Bakers yeast protein.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_325.md)
- [21 C.F.R. § 172.330 (2026) § 172.330   Calcium pantothenate, calcium chloride double salt.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_330.md)
- [21 C.F.R. § 172.335 (2026) § 172.335   D-Pantothenamide.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_335.md)
- [21 C.F.R. § 172.340 (2026) § 172.340   Fish protein isolate.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_340.md)
- [21 C.F.R. § 172.345 (2026) § 172.345   Folic acid (folacin).](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_345.md)
- [21 C.F.R. § 172.350 (2026) § 172.350   Fumaric acid and salts of fumaric acid.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_350.md)
- [21 C.F.R. § 172.365 (2026) § 172.365   Kelp.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_365.md)
- [21 C.F.R. § 172.370 (2026) § 172.370   Iron-choline citrate complex.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_370.md)
- [21 C.F.R. § 172.372 (2026) § 172.372 N -Acetyl-L-methionine.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_372.md)
- [21 C.F.R. § 172.375 (2026) § 172.375   Potassium iodide.](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_375.md)
- [21 C.F.R. § 172.379 (2026) § 172.379   Vitamin D 2 .](https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_379.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T21_P172_S172_365. Check the current official text before relying on it. Not legal advice.