Quality

Release Test
Specifications
Great Longevity
Peptides
North American
Competitive Suppliers
Quality Control Evaluation
Pharmaceutical Grade, cGMP Manufactured
✓
✕ Lab Grade
Purity
≥ 98%; Report Results
✓
✓
Identification (MS)
Consistent with Reference Standard (Mass of Standard) as per 21 CFR Guidelines
✓
✕
Third-Party Confirmation Testing
Health Canada Standards Label Claim Standards
Conforms to Reported Results (ID, Content, Purity)
✓
✕
ID Conformation
Conforms to Label Identity
✓
✕
Conformation of Content
Conforms to Reported Label Content
✓
✕
Conformation of Purity
Conforms to Reported Purity
✓
✕
Bacterial Endotoxin
≤ 0.25 EU/mg, as per 21 CFR FDA Guidelines
✓
✕
Sterility
Sterile, as per 21 CFR FDA Guidelines
✓
✕
Heavy Metals
Not detected: ≤ LOD
Pb, Cd, Hg, as per ICH Q3D Guidelines
✓
✕
Content Assay
Label Claim Content +/- 10%
✓
✕
Impurities
Individual known impurity ≤0.15%; Total impurities ≤0.5%
✓
✕
Polymer Content
≤ 0.05%
✓
✕
Water Content
≤ 5%
✓
✕
Appearance
White lyophilized powder, no visible foreign matter
✓
✕
Solubility
5 mg/vial in Water for Injection, Clear solution, Dissolution time 0.1–0.3 min
✓
✕
Visible Particulates
No visible particulates of solution
✓
✕

Click to Expand each Coa Report Below:

KLOW COA - LOT KL1000100 (July 2026)
KLOW COA Page 1 KLOW COA Page 2
Tirzepatide COA - LOT TR1000100 (July 2026)
Tirzepatide COA Page 1 Tirzepatide COA Page 2
Tesamorelin COA - LOT TS1000100 (July 2026)
Tesamorelin COA Page 1 Tesamorelin COA Page 2
CJC-1295 with DAC COA - LOT CD1000100 (July 2026)
CJC with DAC COA Page 1 CJC with DAC COA Page 2
GHK-cu COA - LOT CU1000100 (July 2026)
GHK-cu COA Page 1 GHK-cu COA Page 2
Ipamorelin COA - LOT IP1000100 (July 2026)
Ipamorelin COA Page 1 Ipamorelin COA Page 2
MOTS-c COA - LOT MS1000100 (July 2026)
MOTS-c COA Page 1 MOTS-c COA Page 2
Selank COA - LOT SK1000101 (July 2026)
Selank COA Page 1 Selank COA Page 2
Semax COA - LOT MS1000100 (July 2026)
Semax COA Page 1 Semax COA Page 2
SS-31 COA - LOT SS1000100 (July 2026)
SS-31 COA Page 1 SS-31 COA Page 2
NMN Liposomal COA (July 2026)
NMN COA
Resveratrol Complex COA (July 2026)
Resveratrol COA
Methylene Blue Complex COA (July 2026)
Methylene Blue COA
Nattokinase Complex COA (July 2026)
Nattokinase COA

Great Longevity sets the Canadian standard for research peptide quality. While other suppliers rely on lab‑grade material, we deliver pharmaceutical‑grade, cGMP‑manufactured peptides verified through triple testing and Health Canada certified third‑party laboratories. 

Every lot is confirmed by Mass Spectrometry, exceeds 98% purity, meets strict impurity limits, and complies with the following testing standards: 

  • FDA 21 CFR Guidance 
  • International Standards: ICH Q3D Guidance 
  • Health Canada Guidance 

Our peptides are tested for label claim content and verified, sterile, endotoxin released, heavy‑metal screened, and dissolve cleanly within quickly. We provide performance and quality that lab‑grade suppliers simply do not even attempt to match.  We provide quality value others do not invest in to provide these levels of quality.  

Great Longevity leads Canada because we place quality, safety, and provide assurance of quality by triple testing and third-party verification to validation our Quality of our product unlike our competitors.  

  • Pharmaceutical‑grade peptides sourcing.  
  • Pharmaceutical‑grade Triple tested & Third-Party Verification Label Claim testing.  
  • Pharmaceutical‑grade confidence.  We strive to provide the highest-grade research peptides on the market for your research purposes.  

This is why scientist and professionals trust Great Longevity.  

This is why we lead the market in quality.  Our marketing differential is clear…it is Quality First! 

Great Longevity peptide products sets the new standard in sourcing peptides.