AHK-Cu vs GHK-Cu
AHK-Cu: Copper tripeptide. GHK-Cu: Copper tripeptide. Per milligram, AHK-Cu is cheaper right now (USD 0.010 vs USD 0.019 at the cheapest tested vendor). GHK-Cu has stronger published evidence (grade B vs D). Prices per mg compare cost, not effect: the amounts used in studies differ between compounds.
AHK-Cu
Alanyl-histidyl-lysine with copper; used in cosmetics mainly for hair-follicle support.
- What it is
- Copper tripeptide
- Category
- Skin, hair & tanning
- Status
- Cosmetic ingredient; not an approved drug.
- Cheapest
- USD 0.010 per mg (BeiBangAn)
- Median price
- USD 0.310 per mg
- Vendors
- 27 independently tested, 3 with a lab report
- Research
- Grade D: Little or no evidence (2 papers)
- Studied as
- tested only in animals or cells
GHK-Cu
Glycyl-histidyl-lysine bound to copper, found naturally in blood. Supports collagen production and wound healing; widely used in skin and hair cosmetics, injected forms are experimental.
- What it is
- Copper tripeptide
- Category
- Skin, hair & tanning
- Status
- Cosmetic ingredient; injectable use is not approved.
- Cheapest
- USD 0.019 per mg (Royal Peptides)
- Median price
- USD 0.450 per mg
- Vendors
- 93 independently tested, 37 with a lab report
- Research
- Grade B: Some human evidence (14 papers)
- Studied as
- studied in people
Cheapest tested vendors for AHK-Cu and GHK-Cu
Lowest price per milligram at up to three independently tested vendors each. Rankings are by price only; open a vendor to see its lab results.
| Peptide | Vendor | Per mg |
|---|---|---|
| AHK-Cu | BeiBangAn | USD 0.010 |
| LN Peptides | USD 0.010 | |
| Peptide Group Buy PGB | USD 0.020 | |
| GHK-Cu | Royal Peptides | USD 0.019 |
| Eros Peptides | USD 0.020 | |
| Evolve BioPep | USD 0.020 |
Questions people ask
What is the difference between AHK-Cu and GHK-Cu?
AHK-Cu: Copper tripeptide. GHK-Cu: Copper tripeptide. Per milligram, AHK-Cu is cheaper right now (USD 0.010 vs USD 0.019 at the cheapest tested vendor). GHK-Cu has stronger published evidence (grade B vs D). Prices per mg compare cost, not effect: the amounts used in studies differ between compounds.
Which is cheaper, AHK-Cu or GHK-Cu?
AHK-Cu is cheaper per mg: USD 0.010 for AHK-Cu vs USD 0.019 for GHK-Cu at the cheapest independently tested vendor. The median listing is USD 0.310 per mg for AHK-Cu and USD 0.450 per mg for GHK-Cu.
Which is easier to find from a tested vendor, AHK-Cu or GHK-Cu?
GHK-Cu is sold by more independently tested vendors: 27 list AHK-Cu (3 publish a lab report for it) and 93 list GHK-Cu (37 with a lab report).
Which has more published research, AHK-Cu or GHK-Cu?
AHK-Cu is graded D (little or no evidence) from 2 papers and GHK-Cu is graded B (some human evidence) from 14 papers. Grades count studies of the exact compound only; they describe how much evidence exists, not which one is better.
Are AHK-Cu and GHK-Cu FDA approved?
AHK-Cu: Cosmetic ingredient; not an approved drug. GHK-Cu: Cosmetic ingredient; injectable use is not approved.