Supports Skin and Connective Tissue Renewal In human dermal fibroblast studies 7 , IGF-1 improved cellular proliferation and collagen remodeling, processes that underlie skin elasticity and repair
"And some products claim to increase the production of melanin pigment through ingredients such as certain peptides which are needed for effective melanin synthesis." Their efficacy is dubious, though: "These formulas are not well supported by scientific evidence as they fail to delve into the scientific rationale behind their ingredients or provide the backing of double-blind placebo-controlled trials to prove their effectiveness," Wizemann says
Mixing mcg into a calculation that expects mg shifts the answer by 1000x a documented cause of users either taking a microscopic dose or a fatal-equivalent dose depending on which direction the unit error went
They are not for human consumption, medical treatment, diagnosis, disease prevention, or veterinary use
doi:10.1124/dmd.110.034066 67
Athletes and Active Individuals Athletes and fitness enthusiasts use it to speed up muscle recovery and reduce oxidative stress caused by intense workouts
