PeptiPrices indexes 205 published certificates of analysis from Glacier Aminos, covering 36 product sizes.

Ethos Analytics, Freedom Diagnostics and Kovera Labs.

Yes. Its published certificates come from Ethos Analytics, Freedom Diagnostics and Kovera Labs, independent testing labs.

Glacier Aminos' published certificates cover Purity (33 sizes), Identity (14 sizes), Endotoxins (24 sizes), Bioburden (13 sizes), Heavy Metals (13 sizes) and Fentanyl Screen (1 size).

Yes. 14 tested sizes have an Identity test, including GLP-3R 20mg, PT-141 10mg and Tesamorelin 10mg.

Yes. 24 tested sizes have an Endotoxin test, including MOTS-c 20mg, BPC-157 20mg and GHK-Cu 100mg.

Yes. 13 tested sizes have a Bioburden test, including GLP-3R 20mg, PT-141 10mg and Tesamorelin 10mg.

Yes. 13 tested sizes have a Heavy Metals panel, including GLP-3R 20mg, PT-141 10mg and Tesamorelin 10mg.

Yes. 1 tested size has a Fentanyl screen, including MOTS-c 20mg.

Glacier Aminos' published certificates report between 98.50% and 99.98% purity across 24 tested sizes.

GLP-3R 20mg, tested by Ethos Analytics on September 9, 2026 and 20.69–20.81 mg/vial measured content.

Yes. 10mg at >99% purity (Ethos Analytics, July 27, 2026); 20mg (Ethos Analytics, September 9, 2026); 30mg at >99% purity (Ethos Analytics, August 31, 2026); 60mg at 99.72% purity (Kovera Labs, June 20, 2026).

Yes. 10mg at 99.73% purity (Kovera Labs, July 22, 2026); 20mg at >99% purity (Ethos Analytics, August 13, 2026); 30mg at 99.64% purity (Kovera Labs, June 23, 2026); 45mg at 99.98% purity (Freedom Diagnostics, January 15, 2026); 60mg at 99.93% purity (Kovera Labs, April 30, 2026).

Yes. 10mg at 99.58% purity (Kovera Labs, June 20, 2026); 20mg at 99.70% purity (Freedom Diagnostics, August 19, 2026).