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
- Collagène Marin Type I, II, III & IV 1Kg poudre, declared in 2026
- Collagène Marin en Poudre poudre, declared in 2026
- Collagène RAW (sans édulcorants) Crown Sport Nutrition, poudre, flavour sans arôme (neutre), declared in 2026
- Collagène Royal flacon, declared in 2026
- Collagène Verveine Citronnée Nutrixeal, poudre, declared in 2026
- Collagène anti-âge poudre, declared in 2026
- Collagène intense NR&D, poudre, flavour orange, declared in 2025
- Colpropur Active fruits des bois Colpropur, poudre, flavour fruits des bois, declared in 2023
- Colpropur Care Fruits des bois Colpropur, poudre, flavour fruits des bois, declared in 2018
- Colpropur Lady Pêche Colpropur, poudre, flavour pêche, declared in 2021
- Colpropur Ostéoarticulaire Fraise Colpropur, poudre, flavour fraise, declared in 2022
- Colpropur Sport citron Colpropur, poudre, flavour citron, declared in 2022
- Colprotein Active fruits des bois Colprotein, poudre, flavour fruits des bois, declared in 2018
- Colprotein Care Fruits des bois Colprotein, poudre, flavour fruits des bois, declared in 2018
- Complexe Cheveux, Peau & Ongles gélule, declared in 2026
- Complexe Cheveux, Peau & Ongles gélule, declared in 2026
- Complexe Cheveux, Peau & Ongles gélule, declared in 2026
- Complexe Vb12 Nutri Prescription, gélule, declared in 2019
- Complexe cheveux et ongles Compliment, gélule, declared in 2022
- Complexe sommeil gélule, declared in 2023
- Complément personnalisé 4 Personnalisé, poudre, declared in 2026
- Confort articulaire poudre, declared in 2026
- Cortisol Control VIVANA, gélule, declared in 2026
- Crea + HT Eiyolab, gélule, declared in 2024
- CreatMax energized orange First Iron Systems, poudre, flavour orange, declared in 2022
- CreatMax energized tropical First Iron Systems, poudre, flavour tropical, declared in 2023
- Creatine + BCAA GoldNutrition, poudre, flavour cherry-banana, declared in 2026
- Creatine + Carbs GoldNutrition, poudre, flavour mango-orange, declared in 2026
- Creatine + collagen GoldNutrition, poudre, flavour raspberry, declared in 2026
- Creatine Extreme Protein Works, poudre, flavour orange burst, declared in 2023
- Creatmax Energized Mangue Ananas First Iron Systems, poudre, flavour mangue ananas, declared in 2020
- Creatmax Energized Orange First Iron Systems, poudre, flavour orange, declared in 2020
- Creatmax Energized Orange First Iron Systems, poudre, flavour orange, declared in 2018
- Creatmax Energized Tropical First Iron Systems, poudre, flavour tropical, declared in 2018
- Creatmax pH Perfect Orange First Iron Systems, poudre, flavour orange, declared in 2018
- Creatmax pH Perfect Pomme Cassis Framboise First Iron Systems, poudre, flavour pomme cassis framboise, declared in 2018
- Creatmax pH Perfect Tropical First Iron Systems, poudre, flavour tropical, declared in 2020
- Creatmax pH perfect orange First Iron Systems, poudre, flavour orange, declared in 2023
- Creatmax pH perfect pomme cassis framboise First Iron Systems, poudre, flavour pomme cassis framboise, declared in 2023
- Crush Ice tea pêche Scitec Nutrition, poudre, flavour ice tea pêche, declared in 2016
- Crush Mangue Orange Scitec Nutrition, poudre, flavour mangue orange, declared in 2016
- Crystallized Glycine NUTRIMSUCLE, poudre, flavour nature, declared in 2024
- Crystallized Glycine NUTRIMSUCLE, gélule, flavour nature, declared in 2024
- D Gen Laboratoires Activa, comprimé, declared in 2021
- DECONTRACTANT MUSCULAIRE FORT A CROQUER GRANIONS, comprimé, flavour pomme, declared in 2025
- DECONTRACTANT MUSCULAIRE FORT COLLAGENE BCAA DECONTRACTANT MUSCULAIRE, poudre, flavour menthe-citron, declared in 2026
- DEFENCE KS TRICOSAFE 100 BIONIKE, comprimé, declared in 2017
- DETOX capsule, declared in 2023
- DETOX CURE Nuit Cellula Pharm, gélule, declared in 2025
- DETOX VENTRE PLAT ampoule, declared in 2021
- DETOXIUM + PhysioNat, gélule, flavour aucun, declared in 2026
- DETOXNAT (MATIN & SOIR) BIONOPS, gélule, flavour /, declared in 2023
- DIGLUMEL ORIGEN PURE, gélule, declared in 2020
- DORSEREN ORIGEN PURE, gélule, declared in 2020
- Deep Recovery Protein - Chocolat NLAB, poudre, flavour chocolat, declared in 2025
- Deep Recovery Protein - Fraise NLAB, poudre, flavour fraise, declared in 2025
- Deep Recovery Protein - Vanille NLAB, poudre, flavour vanille, declared in 2025
- Dermo-collagène poudre, declared in 2026
- Dermo-collagène 1-3-4 poudre, declared in 2025
- Detoxiform gélule, declared in 2020
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