Not for the way TB-500 is marketed
Pricing One bottle of Oregons Wild Harvest holds 90 capsules (30 servings)
Neurotrophicity: The BDNF, NGF, and CNTF components directly activate TrkB, TrkA, and CNTFR receptors, promoting neuronal survival, differentiation, and neurite outgrowth
Stores sit mainly in the liver and last years, so deficiency develops slowly and quietly, which is precisely why it gets missed
One study found that copper peptide treatment increased the elongation of human hair follicles ex vivo
"No reported side effects in limited research" is not the same as "safe." Anecdotal reports from the research community sometimes mention transient effects such as injection-site irritation, mild nausea, fatigue, or lightheadedness, but these are not from controlled trials and cannot be reliably attributed to the peptide