Tuttle K
Currently, GLP-1 RAs are predominantly administered via injections as the oral delivery of peptide therapeutics has been historically limited due to challenges in bioavailability
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GHK-Cu is a peptide the skin makes naturally that is involved in tissue repair and regeneration 3 Levels naturally decline with age, impacting skin repair, firmness, and collagen production 1 2 Replenishing GHK-Cu levels may help improve the appearance of fine lines, texture, and overall tone 1 4 May help protect from environmental exposures that drive skin aging and wrinkles 5 Supports the skins natural repair processes without irritation, redness, or peeling 1 Compounded by US-licensed pharmacies GHK-CU BENEFITS Regenerative Skin Support Supports local renewal and regeneration within the epidermis and dermis 1 Supports collagen production, hydration, regeneration, anti-inflammatory, and antioxidant effects 1 3 4 May help reinforce skin barrier integrity and improve resilience over time 6 A gentler alternative to retinoids and resurfacing treatments Apply topically 5x weekly for a simple, consistent routine that takes under a minute GHK-Cu has not been approved by the FDA for these uses

Redox-signaling in innate immune memory: similar mechanisms in animals/humans and plants
Common injection sites include the abdominal area (at least 2 inches from the navel), thighs, or back of the upper arms