21 CFR § 172.315 - Nicotinamide-ascorbic acid complex.

---
identifier: "/us/cfr/t21/s172.315"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 172.315 - Nicotinamide-ascorbic acid complex."
title_number: 21
title_name: "Food and Drugs"
section_number: "172.315"
section_name: "Nicotinamide-ascorbic acid complex."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "FOOD FOR HUMAN CONSUMPTION"
part_number: "172"
part_name: "FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321, 341, 342, 348, 371, 379e."
regulatory_source: "42 FR 14491, Mar. 15, 1977, unless otherwise noted."
cfr_part: "172"
---


# 172.315 Nicotinamide-ascorbic acid complex.

Nicotinamide-ascorbic acid complex may be safely used in accordance with the following prescribed conditions:

(a) The additive is the product of the controlled reaction between ascorbic acid and nicotinamide, melting in the range 141 °C to 145 °C.

(b) It is used as a source of ascorbic acid and nicotinamide in multivitamin preparations.