The distinct blue color of GHK-Cu comes from the copper ion (Cu) that is chelated, or bound, to the GHK peptide chain
Response time varies based on severity, cause, and duration of neuropathy
However, as mentioned, researchers exploring GHK-Cu might observe an initial purging phase

How to Heal Injuries the Right Way (Evidence-Based Protocol) Phase 1: Acute Injury (Days 1-7) Goals: Reduce inflammation, protect tissue, begin gentle movement RICE (modified): Rest, Ice (first 48 hours), Compression, Elevation Nutrition: High protein (1g per pound), vitamin C (1,000mg), omega-3 (3g) Juice: Anti-inflammatory blend (beet, turmeric, ginger, tart cherry) Movement: Gentle range of motion, avoid complete immobility Sleep: 8-9 hours (growth hormone release) Phase 2: Subacute (Weeks 2-6) Goals: Promote tissue repair, restore function Physical therapy: Guided strengthening Nutrition: Continue high protein, add collagen peptides (FROM FOOD: bone broth) Supplements: Curcumin (1,500mg), vitamin D (5,000 IU), zinc (30mg) Juice: Daily anti-inflammatory + gut healing blends Sleep: Maintain 8+ hours Stress: Manage (cortisol blocks healing) Phase 3: Rehabilitation (Weeks 6-12+) Goals: Full strength restoration, prevent re-injury Progressive loading: Gradual return to activity Maintenance nutrition: 0.8g protein per pound Ongoing anti-inflammatory support: Daily juice, omega-3, curcumin Monitor: Pain, swelling, function This protocol is PROVEN

Biochemical discrimination of the down syndrome-related metabolic and oxidative/nitrosative stress alterations from the physiologic age-related changes through the targeted metabolomic analysis of serum