While effective, Byetta required twice-daily injections, limiting its long-term appeal
81 Furthermore, DPP4 cleavage hinders the beneficial effects of GLP-1 and GLP-2, which support T cell growth and behavior and aid in the healing of damaged intestinal epithelia
Hair and scalp applications While this guide focuses on facial serums, many users apply copper peptide products to the scalp for hair growth benefits
For example, HigherDoses Transdermal Magnesium Spray, $35, can be sprayed on to soothe muscles, boost recovery, enhance a sweat session or promote sleep
Note: Avoid taking theanine if you experience extremely vivid dreams, sleepwalking, or nightmares