PeptiPrices indexes 54 published certificates of analysis from Solyn, covering 36 product sizes.

ILS Laboratories, Kovera Labs and Vanguard Laboratory.

Yes. Its published certificates come from ILS Laboratories, Kovera Labs and Vanguard Laboratory, independent testing labs.

Solyn's published certificates cover Purity (33 sizes), Identity (19 sizes), Endotoxins (4 sizes), Sterility (7 sizes), Heavy Metals (1 size) and Fentanyl Screen (18 sizes).

Yes. 19 tested sizes have an Identity test, including Bacteriostatic Water 10ml, GLP-2T 66.78mg and AOD-9604 6.14mg.

Yes. 4 tested sizes have an Endotoxin test, including GLP-2T 9.93mg, BPC-157/TB-500 5/5mg and Sermorelin 10.70mg.

Yes. 7 tested sizes have a Sterility test, including Bacteriostatic Water 10ml, MOTS-c 42mg and GLP-2T 9.93mg.

Yes. 1 tested size has a Heavy Metals panel, including NAD+ 938.67mg.

Yes. 18 tested sizes have a Fentanyl screen, including Bacteriostatic Water 10ml, GLP-2T 66.78mg and AOD-9604 6.14mg.

Solyn's published certificates report between 3.90% and 99.90% purity across 25 tested sizes.

Bacteriostatic Water 10ml, tested by ILS Laboratories on October 15, 2026.

Yes. 10.65mg at 99.70–99.73% purity (Vanguard Laboratory, July 15, 2026); 22.32mg (Vanguard Laboratory, August 5, 2026); 33.64mg at 99.67% purity (Kovera Labs).

Yes. 9.93mg at 99.60% purity (Vanguard Laboratory, March 16, 2026); 34.22mg at 99.60–99.76% purity (Vanguard Laboratory, August 31, 2026); 66.78mg at >99.80% purity (Vanguard Laboratory, October 12, 2026).

Yes. 42mg at 98.56–98.65% purity (Kovera Labs, August 5, 2026).