Yes on both counts
A novel member of a zinc transporter family is defective in acrodermatitis enteropathica
Currently, publicly available research on Dihexa peptide powder is primarily focused on animal models (e.g., rat models of Alzheimer's disease and traumatic brain injury), along with a very limited number of human anecdotal reports
BPC-157s broad tissue repair research profile spanning tendon, ligament, muscle, gut lining, and neural tissue through angiogenesis promotion via nitric oxide pathway modulation, growth hormone receptor upregulation, and FAK paxillin pathway activation makes it one of the most frequently used peptides in extended multi tissue observation protocols
Many common vitamins are antioxidants, including vitamins A, C, and E