Vitamin B12 Suppliers

Find verified suppliers and manufacturers of Vitamin B12. Browse 2 companies offering Vitamin B12 peptides and research compounds for laboratory and commercial applications.

Directory listing last reviewed August 2026.

Bulk Peptides logo

Bulk Peptides

USA • Wholesale

COA3rd Party
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EUROAPI logo

EUROAPI

France • CDMO

COA3rd Party
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Vitamin B12 Supplier Insights

Total Suppliers
2
Manufacturers
1
GMP Certified
0
Third-Party Tested
2

Regulatory & Market Context

Vitamin B12 is listed by 2 suppliers in the PeptideSuppliers.tech directory. Of these, 1 are direct manufacturers with in-house production capabilities. Third-party testing documentation is available from 2 listed suppliers. Buyers should verify current FDA registration, GMP compliance status, and batch-specific Certificates of Analysis before purchasing.

Third-Party Tested
Peptide suppliers with verified independent laboratory testi
COAs Available
Suppliers providing Batch-specific Certificates of Analysis
In-House Production
Direct peptide manufacturers with internal laboratory contro
GMP Certified
Peptide manufacturers operating under Good Manufacturing Pra