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
- ZOOMADLABS - CARE TAKER 10:1:1 AKA "GUARDIÁN"– Cherry Bomb ZOOMADLABS, poudre, flavour cerise, declared in 2026
- ZOOMADLABS - CARE TAKER 10:1:1 AKA "GUARDIÁN"– Cool Lemon ZOOMADLABS, poudre, flavour citron, declared in 2026
- ZOOMADLABS - CARE TAKER 10:1:1 AKA "GUARDIÁN"– Fresh Cola ZOOMADLABS, poudre, flavour cola, declared in 2026
- ZOOMADLABS - CARE TAKER 10:1:1 AKA "GUARDIÁN"– Silk Orange ZOOMADLABS, poudre, flavour orange, declared in 2026
- ZOOMADLABS - CARE TAKER 10:1:1 AKA "GUARDIÁN"– Strawberry Cream ZOOMADLABS, poudre, flavour fraise et crème, declared in 2026
- ZOOMADLABS - CARE TAKER 10:1:1 AKA "GUARDIÁN"– Tropic Madness ZOOMADLABS, poudre, flavour tropical, declared in 2026
- ZOOMADLABS - CARE TAKER 10:1:1 AKA "GUARDIÁN"– Twister Berries ZOOMADLABS, poudre, flavour fruits rouges, declared in 2026
- acides aminés 19 gélule, declared in 2022
- acides aminés formule gélule, declared in 2019
- bacopa Rockon.guitars, gélule, declared in 2021
- collagène vegan argalys, gélule, declared in 2024
- formule acides aminés 17 gélule, declared in 2018
- gelules CBD Sommeil balanced life, gélule, declared in 2024
- glutathion MS Institut, gélule, declared in 2017
- glutathion + Phyto Or, gélule, declared in 2018
- glyNac therapinov, gélule, declared in 2025
- glycine poudre, declared in 2024
- mon complément alimentaire à base de sodium et de zinc gélule, declared in 2019
- mélatonine gummies Guméa Paris, gomme à mâcher, flavour framboise, declared in 2026
- nuGLYCINE NUTRITING, poudre, declared in 2026
- nuGLYCINE Nutriting, poudre, declared in 2025
- nutrabytes - Advanced Marine Collagen flacon, declared in 2025
- nutrabytes - Advanced Vegan Collagen gélule, declared in 2025
- nutri+ Glycin Powder Nutri-Plus, poudre, declared in 2024
- nutri+ L-Glycin Ultrapure Nutri-Plus, poudre, declared in 2023
- nutri+ VHEY® Gainer Banoffee Nutri-Plus, poudre, flavour banoffee, declared in 2023
- nutri+ VHEY® Gainer Chocolate Brownie Nutri-Plus, poudre, flavour brownie au chocolat, declared in 2023
- nutri+ VHEY® Gainer Natural Nutri-Plus, poudre, flavour neutre, declared in 2023
- nutri+ VHEY® Gainer Vanilla Cookie Nutri-Plus, poudre, flavour biscuit à la vanille, declared in 2023
- nutri+ Vegan Collagen Formation Support Nutri-Plus, poudre, flavour orange, declared in 2024
- nutri+ Vegan Shine Collagen Boost Nutri-Plus, poudre, flavour pomme verte, declared in 2023
- onday poudre, declared in 2025
- onday - saveur framboise poudre, flavour framboise, declared in 2026
- onday - saveur framboise poudre, flavour framboise, declared in 2026
- onday - saveur mangue / citron vert poudre, flavour mangue / citron vert, declared in 2026
- ÉQUILIBRE* DE L’HUMEUR gélule, declared in 2026
- ALPHA FOODS - VEGAN COLLAGEN FORMATION SUPPORT poudre, withdrawn from the market
- AMINOTIAL sachet, withdrawn from the market
- ASHWA PRO RECOVER gélule, withdrawn from the market
- Arthro2vie poudre, withdrawn from the market
- BED TIME HOT CHOCOLATE HSN, poudre, flavour chocolat, withdrawn from the market
- BED TIME HOT CHOCOLATE HSN, poudre, flavour chocolat, withdrawn from the market
- Bile comprimé, withdrawn from the market
- Booster de collagène TrainSweatEat, gélule, withdrawn from the market
- CBD APAISANT GRANIONS, comprimé, withdrawn from the market
- COMPLEXE RECOVERY AMINO+ gélule, withdrawn from the market
- Cap Sommeil LORICA, gélule, withdrawn from the market
- Cap Sérénité Lorica, comprimé, withdrawn from the market
- Cap Sérénité G+ Lorica, gélule, withdrawn from the market
- Circulation veinotonic soir gélule, withdrawn from the market
- Collagene Active ampoule, withdrawn from the market
- Collagène anti-âge poudre, withdrawn from the market
- Crea + HT Eiyolab, gélule, withdrawn from the market
- Creatmax Energized Orange First Iron Systems, poudre, flavour orange, withdrawn from the market
- Dermo-collagène 1-3-4 poudre, withdrawn from the market
- DÉCONTRACTANT MUSCULAIRE FORT (À CROQUER) GRANIONS, autre : comprimé à croquer, flavour pomme, withdrawn from the market
- Détox soir poudre, withdrawn from the market
- ELITE poudre, withdrawn from the market
- Endomiox Nurilia, autre : gelule + comprimé, withdrawn from the market
- Essentiels Collagène Matrix Candens Homeostasis, poudre, withdrawn from the market
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