Glycine in food supplements
1,122 supplements declared in France contain Glycine as a substance or active ingredient.
Compl'Alim declarations. Compl'Alim, food supplement declarations (France), retrieved 23 October 2026.
What we know about this ingredient
Uses
AS A BUFFERING AGENT; IN SYNTHESES
MEDICATION: DIETARY SUPPLEMENT FOR BODY BUILDING PROTEINS; NUTRIENT; INTRAVENOUS FEEDING; IRRIGATING FLUID IN TRANSURETHRAL REMOVAL OF PROSTATE; BUFFERING COMPOUND IN ANTACID PREPN
Organic synthesis, nutrient, biochemical research, buffering agent, chicken-feed additive, reduces bitter taste of saccharin, retards rancidity in animal and vegetable fats.
PubChem : Hazardous Substances Data Bank (HSDB) · 2026-10-29 · Patty, F. (ed.). Industrial Hygiene and Toxicology: Volume II: Toxicology. 2nd ed. New York: Interscience Publishers, 1963., p. 1804; SRI; Lewis, R.J., Sr (Ed.). Hawley's Condensed Chemical Dictionary. 13th ed. New York, NY: John Wiley & Sons, Inc. 1997., p. 545.
Use classification
EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives
Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern
Cosmetics -> Hair conditioning; Skin conditioning; Antistatic; Buffering
Plant-derived material.
Basis: INCIInternational name of cosmetic ingredients: the one printed on the pack. name of a plant or plant part.
CosIng, inventory of cosmetic ingredients (INCI names, CAS, EC, functions), retrieved 21 October 2026.
Natural occurrence recorded in Wikidata (LOTUS database): 125 taxa; examples: Morchella angusticeps, Morchella crassipes, Allium sativum, Citrus grandis, Citrus medica.
Wikidata: names of substances in six languages and taxa in which they occur (largely from the LOTUS database), retrieved 23 October 2026.
Manufacturing
FROM HYDROBROMIC ACID PLUS METHYLENEAMINOACETONITRILE: CLARKE, TAYLOR, ORG SYNTH, 4, 31 (1925); FROM CHLOROACETIC ACID PLUS AMMONIA: ORTEN, HILL, ORG SYNTH, COLL VOL I, 2ND EDITION, 300 (1941)...
ISOLATION FROM HYDROLYSIS PRODUCTS OF GELATIN: KINGSTON, SCHRYVER, BIOCHEM J, 18, 1071 (1924); BY HYDROLYSIS OF CATTLE LIGAMENTS: US PATENT 2,098,923 (1938 TO ARMOUR & CO).
ISOLATION FROM SILK FIBROIN, GELATIN, AND SUGAR CANE; REACTION OF CHLOROACETIC ACID AND AMMONIA
ISOLATION FROM SILK FIBROIN: MOORE, STEIN, J BIOL CHEM, 150, 113 (1943).
Appearance
MONOCLINIC OR TRIGONAL PRISMS FROM DILUTE ALCOHOL
Monoclinic prisms from alc
White crystals
Glycine appears as white crystals. (NTP, 1992)
PubChem : Hazardous Substances Data Bank (HSDB) · 2026-10-29 · Weast, R.C. (ed.). Handbook of Chemistry and Physics. 60th ed. Boca Raton, Florida: CRC Press Inc., 1979., p. C-321; Budavari, S. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. Whitehouse Station, NJ: Merck and Co., Inc., 1996., p. 765; Lewis, R.J., Sr (Ed.). Hawley's Condensed Chemical Dictionary. 13th ed. New York, NY: John Wiley & Sons, Inc. 1997., p. 545.
PubChem : CAMEO Chemicals · 2026-10-29 · National Toxicology Program, Institute of Environmental Health Sciences, National Institutes of Health (NTP). 1992. National Toxicology Program Chemical Repository Database. Research Triangle Park, North Carolina..
Odour described
Odorless
Taste described
Sweet
Associated research
ClinicalTrials.gov · A trial is not proof: it tests a hypothesis.
- NCT07285135 : Dietary Glycine Supplementation in Metabolic Dysfunction-associated Steatotic Liver Disease
RECRUITING · NA · Metabolic Dysfunction Associated Fatty Liver Disease · 2026-10-27 · Glycine
- NCT05799521 : A Nasal Treatment for COVID-19
ACTIVE_NOT_RECRUITING · PHASE2 · COVID-19, Healthy · 2026-05-28 · Optate (synonym declared in the registry)
- NCT03493178 : Glutathione in Mild Cognitive Impairment
ACTIVE_NOT_RECRUITING · EARLY_PHASE1 · Mild Cognitive Impairment · 2026-09-04 · Glycine
2026-11-01
Other names: glycine zwitterion (English), Glycin (German), glicina (Spanish), glicina (Italian), glicina (Portuguese).
Wikidata: names of substances in six languages and taxa in which they occur (largely from the LOTUS database), retrieved 23 October 2026.
Same substance in cosmetics: GLYCINE.
In plain words
À quoi il sert, selon les fabricants
Objectifs les plus souvent annoncés pour les compléments qui en contiennent (Glycine) : sport (224 produits), peau (137 produits), articulations (121 produits), sommeil (113 produits), antioxydant (79 produits).
Ce sont les objectifs déclarés par les fabricants à l'administration, pas des effets démontrés. Sur l'emballage, seules les allégations de santé autorisées par l'Union peuvent être écrites.
Compl'Alim, food supplement declarations (France), retrieved 23 October 2026.
What the registers say, country by country
Each line repeats what an official register says on the date it was consulted. Not being in a register means neither allowed nor banned.
Compl'Alim ingredient list (France): listed.
Compl'Alim, reference list of ingredients, retrieved 21 October 2026.
Canada, licensed natural health products (LNHPD): 7 products.
Licensed Natural Health Products Database (LNHPD), Health Canada: licensed products, ingredients, doses, uses and risks, retrieved 27 October 2026.
Contains information licensed under the Open Government Licence – Canada (Health Canada, LNHPD)
Licence du gouvernement ouvert – Canada 2.0 (OGL-Canada 2.0)
United States, supplement labels (DSLD; supplements need no prior approval): 1052 products.
Dietary Supplement Label Database (DSLD), US National Institutes of Health: current and off-market labels, retrieved 27 October 2026.
Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (CC0); US market labels.
Malaysia, registered products: 9 products.
NPRA, Malaysian pharmaceutical products register, retrieved 27 October 2026.
Ministère de la santé de Malaisie / NPRA, Pharmaceutical Products, CC BY 4.0
Poland, notified supplements: 1 product.
GIS, products notified in Poland, retrieved 27 October 2026.
Główny Inspektorat Sanitarny (GIS), Rejestr produktów objętych powiadomieniem
Taiwan, registered products: 60 products.
TFDA, Taiwan tablets, capsules and medical nutrition registers, retrieved 27 October 2026.
Taiwan Food and Drug Administration (TFDA), Open Government Data License, version 1.0
Declared daily quantities
| Unit | Products | Median | Minimum | Maximum |
|---|---|---|---|---|
| mg | 235 | 500 | 2 | 15,000 |
Calculated from Compl'Alim declarations that provide a quantity. These are quantities declared by manufacturers, not measurements, and preparation is not distinguished (powder, extract of varying concentration): differences between products can be very large.
Products
- Glycine Acamino, poudre, declared in 2022
- Glycine poudre, declared in 2022
- Glycine Vitamintrend, poudre, declared in 2022
- Glycine poudre, flavour sans saveur, declared in 2021
- Glycine Fairvital, poudre, declared in 2020
- Glycine Fairvital, gélule, declared in 2020
- Glycine Chrisbody, poudre, flavour neutre, declared in 2018
- Glycine poudre, declared in 2018
- Glycine poudre, declared in 2017
- Glycine gélule, declared in 2017
- Glycine NOW FOODS, poudre, flavour neutre, declared in 2016
- Glycine Lalea, poudre, declared in 2026
- Glycine Lalea, poudre, declared in 2026
- Glycine Eric Favre, poudre, declared in 2026
- Glycine poudre, declared in 2025
- Glycine poudre, declared in 2025
- Glycine Impulse, poudre, flavour citron, declared in 2025
- Glycine Broadwhey, poudre, declared in 2025
- Glycine Nitroperf, poudre, declared in 2024
- Glycine (100% pure poudre) Now Foods, poudre, declared in 2021
- Glycine 1000mg Now Foods, capsule, declared in 2024
- Glycine 500mg Fair & Pure, gélule, declared in 2022
- Glycine 500mg Fair & Pure, gélule, declared in 2021
- Glycine 500mg Warnke Vitalstoffe, gélule, declared in 2021
- Glycine 800 Sanuvit, capsule, declared in 2022
- Glycine Arôme d‘orange fair&pure, poudre, flavour orange, declared in 2025
- Glycine Cristalisée YAM NUTRITION, poudre, declared in 2026
- Glycine Cristalisée YAM NUTRITION, poudre, declared in 2025
- Glycine Cristallisée Eiyolab, poudre, declared in 2026
- Glycine Cristallisée YAM, poudre, declared in 2023
- Glycine Poudre Detox Organica, poudre, flavour naturel, declared in 2025
- Glycine Powder Designs for Health, poudre, flavour sans arôme, declared in 2026
- Glycine Powder MZ, poudre, flavour sans, declared in 2026
- Glycine Powder - Lemon MZ, poudre, declared in 2026
- Glycine Vegan Hexa3, poudre, declared in 2022
- Glycine cristallisée VITAVEA, poudre, declared in 2026
- Glycine cristallisée greenwhey, poudre, flavour nature, declared in 2024
- Glycine cristallisée Terravita, poudre, declared in 2024
- Glycine cristallisée Yam nutrition, poudre, declared in 2020
- Glycine cristallisée 1KG DYNVEO, poudre, declared in 2026
- Glycine cristallisée 250G DYNVEO, poudre, declared in 2026
- Glycine en Poudre Warnke Vitalstoffe, poudre, declared in 2022
- Glycine en Poudre Pure Insport Nutrition, poudre, flavour sans arôme, declared in 2025
- Glycine en poudre Sunday Natural, poudre, declared in 2022
- Glycine en poudre AliMed, poudre, declared in 2017
- Glycine en poudre 99% NUTRIVYA, poudre, flavour neutre, declared in 2026
- Glycine – GymBeam - 250g GymBeam, poudre, declared in 2026
- Glycine, 1000mg Osavi, gélule, declared in 2024
- Glycine, 1000mg Life Extension, capsule, declared in 2022
- Go Pink Lemonade poudre, flavour limonade rose, declared in 2023
- Golden Milk poudre, declared in 2022
- Good Mood Pure paradise, spray, declared in 2023
- GreenFood Nutrition Junior Multivitamin Drink Berries poudre, flavour baies, declared in 2026
- GreenFood Nutrition Junior Multivitamin Drink Cherry poudre, flavour cerise, declared in 2026
- GreenFood Nutrition Junior Sea Calcium+vitamin D3 & K2 Drink Berries poudre, flavour baies, declared in 2026
- GreenFood Nutrition Junior Sea Calcium+vitamin D3 & K2 Drink Cherry poudre, flavour cerise, declared in 2026
- GreenFood Nutrition Junior Sea Magnesium Drink Cherry poudre, flavour cerise, declared in 2026
- GreenFood Nutrition Junior Sea Magnesium Drink Mango-Peach poudre, flavour mangue-pêche, declared in 2026
- Greens Forte Mix juicy apple poudre, flavour pomme, declared in 2024
- Greens Forte Mix juicy lemon poudre, flavour citron, declared in 2024
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