Noopept vs GHK-Cu
Side-by-side comparison of key properties, dosing, and research.
- Summary
- Noopept is a potent dipeptide-derived nootropic from Russia, structurally related to piracetam but estimated to be 1,000 times more potent by mass. It enhances memory consolidation, learning, and recall while providing neuroprotection via BDNF and NGF upregulation.
- GHK-Cu is a naturally occurring copper complex that declines with age. It is one of the most studied anti-aging peptides, known for powerful skin rejuvenation, wound healing, and tissue remodeling effects.
- Half-Life
- ~5–10 minutes but metabolite (CPG) effects last hours
- 2–4 hours
- Admin Route
- Oral, Sublingual, Intranasal
- SubQ, Topical
- Research
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- Typical Dose
- 10–30 mg
- 1–3 mg
- Frequency
- 1–2x daily
- 3–5 times per week
- Key Benefits
- Enhances memory formation and recall
- Improves learning speed and cognitive processing
- Neuroprotective via BDNF/NGF upregulation
- Anxiolytic at low-to-moderate doses
- Improves verbal fluency and information processing
- Antioxidant (reduces oxidative damage in neurons)
- May improve cognitive symptoms of mild cognitive impairment
- Reduces wrinkles and fine lines
- Improves skin firmness and elasticity
- Accelerates wound healing
- Reduces inflammation and oxidative damage
- Promotes hair growth and thickness
- Supports collagen and elastin production
- May improve overall skin health and appearance
- Resets aged fibroblast behavior
- Anti-fibrotic — reduces scar tissue formation
- Side Effects
- Headaches (choline depletion — pair with choline source)
- Irritability or anxiety at high doses
- Overstimulation
- Rare: brain fog with chronic use
- +1 more
- Temporary blue-green discoloration at injection site (from copper — harmless)
- Post-injection sting (brief)
- Skin irritation with topical use (rare)
- Stacks With
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