G., Lo, K
It can also negatively impact bone quality and increase fracture risks, such as retinoic acid can inhibit osteoblast activity, stimulate osteoclast formation, induce bone resorption, and negatively impact bone quality (Li et al., 2019)
The FDA has deep concerns about its safety and efficacy
(PubMed) Bosch J, Gerstein HC, Dagenais GR, et al
Head-to-Head Comparison When to Choose GHK-Cu Skin anti-aging is your primary goal You want collagen stimulation, skin rejuvenation Skin anti-aging, wound remodeling, hair growth are your focus areas When to Choose MOTS-c Insulin sensitivity is your primary goal You want metabolic improvement, exercise enhancement Insulin sensitivity, exercise capacity, metabolic health are your focus areas Can You Use Both