vitamin b12 injection merck B-12 3000 mcg 250mL Rx only Sold in 100 mL Rx Vitamin B-12 (Generic) Injectable

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Food and Drug Administration) Dietary deficiency of vitamin B 12 occurring in strict vegetarians and in their breastfed infants (isolated vitamin B 12 deficiency is very rare) Malabsorption of vitamin B 12 resulting from damage to the stomach, where intrinsic factor is secreted, or damage to the ileum, where intrinsic factor facilitates vitamin B 12 absorption

The potential benefits of any peptide do not justify ignoring signals from your body that something is amiss

This is a common cause of B12 deficiency in the UK and is usually diagnosed by your general practitioner

Salden et al, 2015