#1 of 3 · 500 mg vial
Bulkpeptides51% below the 500 mg median
Vanguard Laboratory, Freedom Diagnostics, 2026-09-09
2 sellers, $0.200 to $0.465 per milligram, median $0.405, read 2026-09-16.
Best value with a certificate: Bulkpeptides, $100 for 500 mg, $0.200 per mg. GHK-Cu 500 mg median is $0.405 per mg across 2 sellers.
#1 of 3 · 500 mg vial
Bulkpeptides51% below the 500 mg median
Vanguard Laboratory, Freedom Diagnostics, 2026-09-09
#2 of 3 · 500 mg vial
Glacier Aminosat the median the 500 mg median
Kovera Labs, Freedom Diagnostics, 2026-06-24
#3 of 3 · 500 mg vial
Glacier Aminos15% above the 500 mg median
Kovera Labs, Freedom Diagnostics, 2026-06-24
3 of 3 offers at 500 mg, sorted tier first, then price per mg. We earn nothing on this link today. No affiliate agreement is in place with this seller yet; when one is, this line will say the rate.
We never charge for knowledge. This site is 100 percent supported by affiliate income, disclosed on the row it comes from, and no vendor has a say in what a page says. Every size of GHK-Cu