Its not going to replace your core skincare routine, but if youre looking to improve your anti-ageing routine with evidence-backed peptides, copper peptide products could be a useful supportive ingredient
Some experience mild fatigue during the first week, which typically resolves quickly
Other causes of B12 deficiency may be helped by increasing the vitamin B12 in your diet

Why This Stack Works TB-500: Improves actin regulation, angiogenesis, and systemic recovery of soft tissues BPC-157: Enhances local repair of muscle, tendon, ligament, and intestinal tissue Combined Effect: Faster healing, stronger connective tissue, reduced pain and downtime BPC-157 promotes tendon, ligament, and muscle healing through modulation of nitric oxide pathways and growth factor expression. Gwyer et al., Current Pharmaceutical Design Thymosin Beta-4 (TB-500) enhances wound healing by promoting cell migration and new blood vessel formation. Malinda et al., FASEB Journal Beginner-Friendly Stacking Protocol Weeks 14 (Loading Phase): TB-500: 22.5 mg twice weekly (total: 45 mg/week) BPC-157: 250500 mcg daily (split into two doses, AM and PM) Weeks 56 (Maintenance): TB-500: 2 mg once weekly BPC-157: 250 mcg daily or as needed Optional Add-On: Consider adding MK-677 to support deeper tissue regeneration through increased natural GH release
For example, this study by Funk et al