Epithalon vs GHK-Cu
Epithalon: Pineal tetrapeptide (epitalon). GHK-Cu: Copper tripeptide. Per milligram, GHK-Cu is cheaper right now (USD 0.230 vs USD 0.019 at the cheapest tested vendor). GHK-Cu has stronger published evidence (grade B vs C). Prices per mg compare cost, not effect: the amounts used in studies differ between compounds.
Epithalon
A four-amino-acid peptide based on a pineal-gland extract, reported in Russian studies to lengthen telomeres in cells and to normalize melatonin rhythms.
- What it is
- Pineal tetrapeptide (epitalon)
- Category
- Longevity & bioregulators
- Status
- Not approved. Research use only.
- Cheapest
- USD 0.230 per mg (BeiBangAn)
- Median price
- USD 2.18 per mg
- Vendors
- 75 independently tested, 21 with a lab report
- Research
- Grade C: Mostly animal studies (11 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 Epithalon 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 |
|---|---|---|
| Epithalon | BeiBangAn | USD 0.230 |
| LN Peptides | USD 0.230 | |
| Shenzhen Loga Tech LG LOGA | USD 0.270 | |
| 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 Epithalon and GHK-Cu?
Epithalon: Pineal tetrapeptide (epitalon). GHK-Cu: Copper tripeptide. Per milligram, GHK-Cu is cheaper right now (USD 0.230 vs USD 0.019 at the cheapest tested vendor). GHK-Cu has stronger published evidence (grade B vs C). Prices per mg compare cost, not effect: the amounts used in studies differ between compounds.
Which is cheaper, Epithalon or GHK-Cu?
GHK-Cu is cheaper per mg: USD 0.230 for Epithalon vs USD 0.019 for GHK-Cu at the cheapest independently tested vendor. The median listing is USD 2.18 per mg for Epithalon and USD 0.450 per mg for GHK-Cu.
Which is easier to find from a tested vendor, Epithalon or GHK-Cu?
GHK-Cu is sold by more independently tested vendors: 75 list Epithalon (21 publish a lab report for it) and 93 list GHK-Cu (37 with a lab report).
Which has more published research, Epithalon or GHK-Cu?
Epithalon is graded C (mostly animal studies) from 11 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 Epithalon and GHK-Cu FDA approved?
Epithalon: Not approved. Research use only. GHK-Cu: Cosmetic ingredient; injectable use is not approved.