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
- COMPLEXE CALM gélule, declared in 2025
- COMPLEXE COLLAGÈNE FEES EN PROVENCE, poudre, declared in 2024
- COMPLEXE CORT Botanicals gélule, declared in 2026
- COMPLEXE DE FER 14 ULTRA gélule, declared in 2026
- COMPLEXE DE GLUTATHION + PRÉCURSEURS gélule, declared in 2026
- COMPLEXE EASY SLEEP* gélule, declared in 2026
- COMPLEXE EASY SLEEP* gélule, declared in 2026
- COMPLEXE LIPO REDUCTEUR gélule, declared in 2023
- COMPLEXE LIPOREDUCTEUR PHYTALLIANCE, gélule, declared in 2020
- COMPLEXE NUIT gélule, declared in 2026
- COMPLEXE RECOVERY* AMINO+ gélule, declared in 2026
- COMPLEXE SOMMEIL gélule, declared in 2025
- CONFORT DIGESTIF ampoule, declared in 2021
- COPPER SYNERGY REPAIR gélule, declared in 2024
- CORTAFLEX CORTAFLEX, capsule, declared in 2017
- CORTAFLEX HA CORTAFLEX, capsule, declared in 2017
- CPS "BASE" Ino-Symbiose, gélule, declared in 2026
- CPS "E" INO-SYMBIOSE, gélule, declared in 2026
- CPS "I" Ino-Symbiose, gélule, declared in 2026
- CPS "M" Ino-Symbiose, gélule, declared in 2026
- CREA X4 poudre, declared in 2024
- CREACOLL poudre, flavour fruits rouges, declared in 2026
- CREATINE X4 gélule, declared in 2017
- CRS 086 Future Concepts, poudre, flavour multi fruits, declared in 2017
- CRS 086 Future Concepts, poudre, flavour citron, declared in 2017
- CRS 086 Future Concepts, poudre, flavour orange, declared in 2017
- Calm Gummies Novomins, autre : gomme, flavour fruit de la passion, declared in 2025
- Camyargo gélule, declared in 2019
- Camyargo gélule, declared in 2018
- CapSommeil LORICA, gélule, declared in 2026
- CapSérénité Lorica, gélule, declared in 2026
- Capilase gélule, declared in 2020
- Capital Sommeil gélule, declared in 2026
- Cellergize Morning Cellergize, poudre, flavour citron et gingembre, declared in 2026
- Cellular Balance BIFORM, gélule, declared in 2026
- Centella Vita flacon, declared in 2025
- Cheveux gélule, declared in 2026
- Chill Mama ISIS, gomme à mâcher, flavour pêche, declared in 2024
- Chrono Stress de la vie Laboratoire Activa, gélule, declared in 2024
- Chrono Stress de la vie Laboratoire Activa, gélule, declared in 2017
- Chronocta autre : pipette, declared in 2025
- Chronocta autre : pipette, declared in 2024
- Chéri-Cherry SYSNAT, ampoule, flavour cerise, declared in 2023
- Circulation veinotonic soir gélule, declared in 2026
- Collagen Boozt Zinzino, autre : liquide en sachets unidoses, flavour cherry, declared in 2025
- Collagen Builder Vegan Nature Love, poudre, flavour framboise, declared in 2025
- Collagen MCT poudre, declared in 2022
- Collagen Pro Vivana, sachet, declared in 2026
- Collagen Support Vegan Gummies gomme à mâcher, declared in 2022
- Collagen liquid All Sports Labs, autre :, flavour fruit de bois, declared in 2024
- Collagene + Hexa3, poudre, flavour fruits rouges, declared in 2025
- Collagene Marin NutriAura, poudre, flavour neutre, declared in 2024
- Collagene Marin NutriAura, poudre, flavour neutre, declared in 2024
- Collagène poudre, declared in 2024
- Collagène + OCN Nutrition, poudre, declared in 2026
- Collagène + LABORATOIRES NOVEXPERT, sachet, flavour citron et note de gingembre, declared in 2025
- Collagène + LABORATOIRES NOVEXPERT, sachet, flavour citron et note de gingembre, declared in 2025
- Collagène Mangue Nutrixeal, poudre, declared in 2026
- Collagène Marin Type I poudre, declared in 2026
- Collagène Marin Type I, II, III & IV gélule, declared in 2026
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