Puratek Peptides Lab Results
Puratek Peptides has 120 published certificates of analysis covering 42 product sizes, tested by Freedom Diagnostics and ILS Laboratories. The latest is GHK-Cu 100mg, tested August 5, 2026, at 99.73% purity.
42 Puratek Peptides Certificates of Analysis
GLP-3R
- 10mg7 tests passed: Purity, Identity, Endotoxins, Sterility, Bioburden, Heavy Metals, Fentanyl Screen·99.98%10.58 mg
- 20mg7 tests passed: Purity, Identity, Endotoxins, Sterility, Bioburden, Heavy Metals, Fentanyl Screen·99.64%21.33 mg
- 30mg7 tests passed: Purity, Identity, Endotoxins, Sterility, Bioburden, Heavy Metals, Fentanyl Screen·99.23%30.81 mg
GLP-2T
- 15mg7 tests passed: Purity, Identity, Endotoxins, Sterility, Bioburden, Heavy Metals, Fentanyl Screen·99.90%16.03 mg
- 30mg7 tests passed: Purity, Identity, Endotoxins, Sterility, Bioburden, Heavy Metals, Fentanyl Screen·99.97%32.17 mg
- 60mg6 tests passed: Purity, Identity, Endotoxins, Sterility, Bioburden, Heavy Metals·99.52%62.46 mg
Questions about Puratek Peptides
PeptiPrices indexes 120 published certificates of analysis from Puratek Peptides, covering 42 product sizes.
Freedom Diagnostics and ILS Laboratories.
Yes. Its published certificates come from Freedom Diagnostics and ILS Laboratories, independent testing labs.
Puratek Peptides' published certificates cover Purity (42 sizes), Identity (41 sizes), Endotoxins (36 sizes), Sterility (34 sizes), Bioburden (30 sizes), Heavy Metals (34 sizes) and Fentanyl Screen (28 sizes).
Yes. 41 tested sizes have an Identity test, including GHK-Cu 100mg, VIP 10mg and MOTS-c 40mg.
Yes. 36 tested sizes have an Endotoxin test, including GHK-Cu 100mg, VIP 10mg and Melanotan-1 10mg.
Yes. 34 tested sizes have a Sterility test, including GHK-Cu 100mg, VIP 10mg and MOTS-c 40mg.
Yes. 30 tested sizes have a Bioburden test, including GHK-Cu 100mg, MOTS-c 40mg and NAD+ 1000mg.
Yes. 34 tested sizes have a Heavy Metals panel, including GHK-Cu 100mg, VIP 10mg and MOTS-c 40mg.
Yes. 28 tested sizes have a Fentanyl screen, including GHK-Cu 100mg, VIP 10mg and Melanotan-1 10mg.
Puratek Peptides' published certificates report between 99.10% and 99.98% purity across 42 tested sizes.
GHK-Cu 100mg, tested by ILS Laboratories on August 5, 2026, reported 99.73% purity and 103.21 mg measured content.
Yes. 10mg at 99.98% purity (ILS Laboratories, May 27, 2026); 20mg at 99.64% purity (ILS Laboratories, June 3, 2026); 30mg at 99.23% purity (ILS Laboratories, July 7, 2026).
Yes. 15mg at 99.90% purity (ILS Laboratories, June 18, 2026); 30mg at 99.97% purity (ILS Laboratories, June 18, 2026); 60mg at 99.52% purity (ILS Laboratories, June 11, 2026).
Yes. 10mg at 99.90% purity (ILS Laboratories, June 23, 2026); 40mg at 99.87% purity (ILS Laboratories, July 31, 2026).