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Certificate of Analysis

Vitamin B12

Test ID NAD-0037982

PASS
Test ID
NAD-0037982
Batch / Lot
PSP-09302026B12
Client
ProSupply Peptides | pspeptides.com
Date ordered
October 20th, 2026
Appearance
Clear Red Liquid
Mass reported
10mg
Vial count
1x | 10mL Vial

Chemical Analysis Performed By HPLC With UV Detection Coupled With Mass Spectrometry

Results
Mass IdentificationMethylcobalamin
HPLC Purity99.93%
Mass Content9.93mg
PASSED — Within Specification

Methylcobalamin 1 mg/mL; Preservative: Benzyl Alcohol 0.9%; Diluent: Sterile Water q.s. 10mL

Endotoxin Test Report

Vitamin B12

Test ID NAD-0037982

PASS
Test ID
NAD-0037982
Batch / Lot
PSP-09302026B12
Client
ProSupply Peptides | pspeptides.com
Date ordered
October 20th, 2026
Appearance
Clear Red Liquid
Mass reported
10mg
Vial count
1x | 10mL Vial

Endotoxin Testing Performed By LAL Assay Using Kinetic Chromogenic Method

Results
Test MethodLAL Kinetic Chromogenic
Endotoxin Level< 0.5 EU/mL
PASSED — Below 0.5 EU/mL Limit

Methylcobalamin 1 mg/mL; Preservative: Benzyl Alcohol 0.9%; Diluent: Sterile Water q.s. 10mL

Fentanyl Screen Report

Vitamin B12

Test ID NAD-0037982

PASS
Test ID
NAD-0037982
Batch / Lot
PSP-09302026B12
Client
ProSupply Peptides | pspeptides.com
Date ordered
October 20th, 2026
Appearance
Clear Red Liquid
Mass reported
10mg
Vial count
1x | 10mL Vial

Advanced Fentanyl Screening Performed By LC-MS/MS Confirmed With Immunoassay

Results
Test MethodLC-MS/MS Screening
ResultNot Detected
PASSED — No Fentanyl Detected

Methylcobalamin 1 mg/mL; Preservative: Benzyl Alcohol 0.9%; Diluent: Sterile Water q.s. 10mL

Heavy Metals Test Report

Vitamin B12

Test ID NAD-0037982

PASS
Test ID
NAD-0037982
Batch / Lot
PSP-09302026B12
Client
ProSupply Peptides | pspeptides.com
Date ordered
October 20th, 2026
Appearance
Clear Red Liquid
Mass reported
10mg
Vial count
1x | 10mL Vial

Heavy Metals Screening Performed By ICP-MS Per USP <232> and <233> Standards

Results
Test MethodPb, As, Cd, Hg
ResultNot Detected
PASSED — No Contamination Found

Methylcobalamin 1 mg/mL; Preservative: Benzyl Alcohol 0.9%; Diluent: Sterile Water q.s. 10mL

Sterility Test Report

Vitamin B12

Test ID NAD-0037982

PASS
Test ID
NAD-0037982
Batch / Lot
PSP-09302026B12
Client
ProSupply Peptides | pspeptides.com
Date ordered
October 20th, 2026
Appearance
Clear Red Liquid
Mass reported
10mg
Vial count
1x | 10mL Vial

Sterility Testing Performed Per USP <71> Using Direct Inoculation Method

Results
Test MethodDirect Inoculation
ResultSterile — No Growth
PASSED — Sterile

Methylcobalamin 1 mg/mL; Preservative: Benzyl Alcohol 0.9%; Diluent: Sterile Water q.s. 10mL