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
- PURE PROFESSIONAL - GLYCO PURE poudre, flavour neutre, declared in 2024
- PURE PROFESSIONAL - GLYCO PURE poudre, flavour fruit punch, declared in 2024
- PURE RECOVERY - chocolat Nutripure, poudre, flavour chocolat, declared in 2026
- PURE RECOVERY - neutre Nutripure, poudre, flavour neutre, declared in 2026
- PURE RECOVERY - vanille Nutripure, poudre, flavour vanille, declared in 2026
- Palmetto Plus gélule, declared in 2019
- Peptides pro-collagène poudre, declared in 2026
- Pernadol Sekoya, gélule, flavour cardamome, declared in 2018
- Perturbateurs Endocriniens sachet, declared in 2025
- Perturbateurs endocriniens autre : 3 composantes : sachets + 2 gélules de formules différentes, declared in 2019
- PhD Rest & Recover gélule, declared in 2025
- Pianto Agrumes Pianto, flacon, declared in 2026
- Pianto Agrumes Pianto, flacon, declared in 2025
- Pianto Agrumes Pianto, flacon, declared in 2021
- Pianto Classic Pianto, flacon, declared in 2026
- Pianto Classic Pianto, flacon, declared in 2023
- Poméol DorPulse comprimé, declared in 2017
- Poudre de Glycine LUTO Supplements, poudre, flavour neutrale, declared in 2025
- Poudre de glycine fair&pure, poudre, declared in 2026
- Poudre de glycine Nutrifair, poudre, declared in 2025
- Premium Kollagen Pulver DRBUMA, gélule, declared in 2026
- Pro Mass Plus All Sports Labs, poudre, flavour chocolate,vanilla,fraise, declared in 2025
- ProCo - VEGAN COLLAGEN FORMATION COMPLEX gélule, declared in 2021
- PropioForce Lorica, poudre, flavour naturel, declared in 2026
- Prosta-Urol gélule, declared in 2020
- Prostasana+ Laboratoire Janine Benoit, gélule, declared in 2019
- Proteatonic Laboratoire Activa, gélule, declared in 2021
- Protéine de lactosérum au Cookies de qualité supérieure - 1 000 g NŪMYA, poudre, flavour cookies, declared in 2026
- Protéine de lactosérum premium à la fraise - 1000 g NŪMYA, poudre, flavour fraise, declared in 2026
- Protéine de lactosérum premium à la vanille - 1 000 g NŪMYA, poudre, flavour vanille, declared in 2026
- Protéines de lactosérum premium au chocolat - 1000 g NŪMYA, poudre, flavour chocolat, declared in 2026
- Pure Glycine KRC Nutrition, poudre, declared in 2026
- Pure Whey 100% My Performance Overall Athletica, poudre, flavour french cream vanilla, declared in 2026
- Pure glycine poudre, declared in 2018
- Pure recovery poudre, declared in 2023
- Pure recovery poudre, flavour chocolat, declared in 2023
- Pure recovery poudre, flavour vanille, declared in 2023
- QNT WHEYAMINOS QNT (Quality Nutrition Technology), ampoule, declared in 2017
- RAW BOOST ADDICT SPORT NUTRITION, poudre, flavour citron framboise, declared in 2022
- RAW BOOST ADDICT SPORT NUTRITION, poudre, flavour blue ice, declared in 2021
- REGENESAN COLLAGÈNE poudre, flavour fruits des bois, declared in 2017
- REGENESAN COLLAGÈNE poudre, flavour orange, declared in 2017
- REGULATION CHOLESTEROL DRAINEUR ALTHEYS, autre : monodose, declared in 2021
- RELAX MAX gélule, declared in 2023
- RELAXFORM INOLAB Laboratoire, poudre, flavour myrtille, declared in 2025
- RENEW gomme à mâcher, declared in 2024
- RINGANA bty Ringana, flacon, declared in 2025
- RINGANAflx flacon, declared in 2026
- RTP - EAA comprimé, declared in 2026
- RXB 800 gélule, declared in 2023
- Radiance ASEA, bâton / batônnet / stick, declared in 2024
- Rayju Gluta Plus Chews Rayya, comprimé, flavour fraise, declared in 2026
- ReAge Pre Sleep gélule, declared in 2019
- Regenum Lorica, bâton / batônnet / stick, flavour agrumes, declared in 2024
- RelaxMAX Tryptophane gélule, declared in 2024
- Repulpant peau Poméol, gélule, declared in 2023
- Reset Siho, poudre, declared in 2026
- Rush V4 poudre, declared in 2018
- Ryushin Anmei Ryushin, gélule, declared in 2025
- Régénum pot Lorica, poudre, flavour pêche, declared in 2026
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