99 Purity Peptides GHK-Cu price: $0.68/mg with NEW15
99 Purity Peptides lists GHK-Cu at $80 for 100 mg, which is $0.80/mg or $0.68/mg with code NEW15; that's #5 cheapest of 11 vendors we track after codes (median $0.80/mg), checked Oct 21, 2026.
Our verdict on 99 Purity Peptides
Real store, testing gaps
60/100C
#8 of 11 ranked vendors
- Publishes COAs, but not matched to your lot
- Named labs: Optiq Health Labs, Accurate Test Labs (bacteriostatic water)
- No independent tests on file
Last verified How we scoreFull review
99 Purity Peptides GHK-Cu sizes
| Compound | Vial | Price | With NEW15 | Per mg after code | Links |
|---|---|---|---|---|---|
| GHK-Cu | 50 mg | $42.49 | $0.85 | compare | |
| GHK-Cu | 100 mg | $68 | $0.68 | compare |
NEW15 15% off your first order, seen Oct 21, 2026; not tested at checkout.Prices checked Oct 21, 2026, before shipping. Code and vendor-sale stacking only shown when the vendor confirms it; none confirmed yet.GHK-Cu at every vendor, after codes
| Vendor | Cheapest vial | Per mg | After code | Score |
|---|---|---|---|---|
| Atomik Labz | 100 mg · $55 | $0.55 | $0.47 | 50 |
| Ascension Peptides | 100 mg · $59 | $0.59 | $0.59 | 70 |
| True Peptides | 50 mg · $40 | $0.80 | $0.80 | 75 |
| Core Research Peptides | 50 mg · $42 | $0.84 | $0.84 | 60 |
| 99 Purity Peptides | 50 mg · $49.99 | $1.00 | $0.85 | 60 |
| DRYPtides | 50 mg · $49 | $0.98 | $0.98 | 65 |
| Penguin Peptides | 50 mg · $54 | $1.08 | $1.08 | 74 |
| Core Peptides | 50 mg · $58 | $1.16 | $1.16 | 83 |
| Biotech Peptides | 50 mg · $64 | $1.28 | $1.28 | 70 |
| Swiss Chems | 10 mg · $24.70 | $2.47 | $2.22 | 70 |
| Spartan Peptides | 50 mg · $179 | $3.58 | $3.58 | 60 |
Codes applied only where verified, same math for every vendor. All GHK-Cu sizes.
DRYPtides lists GHK-Cu at $0.54/mg and scores 65/100. It's the vendor we plan to partner with.
A tripeptide (glycyl-histidyl-lysine) complexed with copper(II). 99 Purity Peptides review · 99 Purity Peptides coupon code
Questions
How much is GHK-Cu at 99 Purity Peptides?
99 Purity Peptides lists GHK-Cu at $80 for 100 mg, which is $0.80/mg or $0.68/mg with code NEW15; that's #5 cheapest of 11 vendors we track after codes (median $0.80/mg), checked Oct 21, 2026.
Is 99 Purity Peptides GHK-Cu cheaper than other vendors?
After codes, 99 Purity Peptides is #5 of 11. The cheapest is Atomik Labz at $0.47/mg.
Is there a 99 Purity Peptides code for GHK-Cu?
NEW15: 15% off your first order. It's applied in the table above.
Does 99 Purity Peptides publish a COA for GHK-Cu?
99 Purity Peptides's COA practice: 30/40 on our COA transparency line. Check the COA library link on its review page and ask for the COA matching your lot.