topicGlycine Collagen Skin Health Randomized Trial
claimBackground : Skin photoaging is primarily caused by prolonged ultraviolet (UV) exposure, which manifests as dryness and wrinkle formation.
evidence level4
citationGuo J (2026)
source<i>Bifidobacterium animalis</i> subsp. <i>lactis</i> BL-G101 Protects Against UVB-Induced Photoaging in HS68 Dermal Fibroblasts.
topicGlycine Collagen Skin Health Randomized Trial
claimRecent studies highlight that beneficial microorganisms have garnered considerable attention for their emerging role in modulating host health, especially in skin photoaging.
evidence level4
citationGuo J (2026)
source<i>Bifidobacterium animalis</i> subsp. <i>lactis</i> BL-G101 Protects Against UVB-Induced Photoaging in HS68 Dermal Fibroblasts.
topicGlycine Collagen Skin Health Randomized Trial
claimSupplementation in 20-month-old mice improved grip strength and prevented age-related fat accumulation.
evidence level4
citationDakhovnik A (2025)
sourceA collagen amino acid composition supplementation reduces biological age in humans and increases health and lifespan in vivo.
topicGlycine Collagen Skin Health Randomized Trial
claimIn a clinical observational trial (ISRCTN93189645, 03.07.2025), oral supplementation in humans demonstrated improved skin features within three months and a reduction in biological age by 1.4 years (p = 0.04) within 6 months.
evidence level4
citationDakhovnik A (2025)
sourceA collagen amino acid composition supplementation reduces biological age in humans and increases health and lifespan in vivo.
topicGlycine Collagen Skin Health Randomized Trial
claimCollagen supplementation has gained attention with increasing claims regarding its beneficial effects on healthy aging based on clinical observations and lifespan extension in pre-clinical models; however, how and which part of an ingested collagen promotes healthy longevity is unknown.
evidence level4
citationDakhovnik A (2025)
sourceA collagen amino acid composition supplementation reduces biological age in humans and increases health and lifespan in vivo.
topicGlycine Collagen Skin Health Randomized Trial
claimHere, we identified the minimal required unit of ingested collagen, which consists of the proper ratio of three glycine to one proline to one hydroxyproline that was sufficient to increase the motility-healthspan and lifespan of C.
evidence level4
citationDakhovnik A (2025)
sourceA collagen amino acid composition supplementation reduces biological age in humans and increases health and lifespan in vivo.