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doi: 10.1016/0891-5849(91)90033-Y 196

0.3 mL (30 units): Holds up to 30 units, often used when doses are generally 30 units or less

Stacking Protocols SS-31 optimizes mitochondrial machinery

Malabsorption (insufficient absorption of vitamin B12in the intestine) through, Insufficient production of intrinsic factor (a protein that is formed in the gastric mucosa and isrequiredfor the absorption of vitamin B12), Diseases in the terminal segment of the ileum (part of the small intestine), e.g

Before starting any B12 supplementation, ask your healthcare provider to check your baseline B12 level through a simple blood test