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Cyanocobalamin is the most widely used form of vitamin B 12, and has hematopoietic activity apparently identical to that of the antianemia factor in purified liver extract
Store Comparison LeoLab RX 5+5mg blend priced around $90 Public third-party Janoshik Analytical lab reports Batch-level verification Ships within 13 business days (US) Includes free research supplies (syringes, alcohol wipes, BAC water) Peptide Sciences 10mg blend priced around $95 HPLC/MS testing claimed Large and established catalog Free shipping over $200 Biotech Peptides 10mg blend priced around $81 COAs available Free shipping over $200 Competitive entry-level pricing Transparency Verdict While pricing is relatively close across vendors, documentation standards differ
Vitamin B is water-soluble, which means water is needed for this vitamin to absorb into our bodies
Standard panels are used
I discuss this in my video The Best Type of Vitamin B12: Cyanocobalamin or Methylcobalamin
