Heavy oil-based vehicles can exclude the hydrophilic peptide from the aqueous phase, reducing effective surface bioavailability
I weighed 218 pounds when I began my protocol

Famously known as the beauty peptide GHK-CU (Copper peptide) can have the following benefits: Skin & Anti-Aging Stimulates collagen, elastin, and glycosaminoglycan production Improves skin firmness, thickness, and elasticity Reduces appearance of fine lines and wrinkles Enhances wound healing and skin regeneration Helps normalize skin inflammation and redness Hair Growth & Scalp Health Encourages hair follicle growth and enlargement May reduce hair shedding Improves scalp blood flow and follicle health Often used in hair serums and scalp treatments Tissue Repair & Healing Accelerates wound healing Supports muscle, tendon, and ligament repair Promotes angiogenesis (formation of new blood vessels) Useful in recovery from injuries or procedures Neuroprotective & Brain Support Shown in studies to support nerve regeneration May help protect neurons from oxidative damage Investigated for roles in brain repair and cognitive aging Anti-Inflammatory & Antioxidant Effects Reduces inflammatory cytokines Acts as a powerful antioxidant Helps regulate genes involved in tissue breakdown vs repair Gene Modulation (Unique Benefit) GHK-Cu has been shown to: Turn on genes associated with healing and regeneration Turn off genes linked to inflammation, fibrosis, and tissue degradation This gene-level regulation is one of its most unique properties

However, further research is needed to authenticate its effects
There is no crash, no jitters, and no dependency
While taking phentermine, avoid alcohol, limit caffeine, and skip other stimulant medications or supplements unless your provider approves them