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Lutein is thought to pass through the BBB and play an important active biological role in the nervous system (Table 2 and 3) 144

FAK-paxillin (focal adhesion kinasepaxillin): Involved in cell adhesion, migration, and signaling

GHK-Cu for Tissue Repair Commonly associated with skin regeneration Often discussed for collagen synthesis and fibroblast support Frequently researched for scar appearance and dermal remodeling More often tied to surface-level or cosmetic-facing regenerative goals BPC-157 for Tissue Repair Commonly associated with tendon and ligament recovery models Often discussed for muscle and joint support Frequently researched for gut and systemic recovery pathways More often tied to deep tissue and structural repair discussions In practical terms, GHK-Cu vs BPC-157 often comes down to collagen/skin remodeling vs musculoskeletal/systemic recovery

Chelation therapy can treat heavy metal poisoning under the careful supervision of a healthcare professional

Market & regulatory implications If human translation succeeds, FOXO4-DRI or analogues may form the backbone of senotherapy clinics alongside peptides, hormones and regenerative medicine