b12 supplement injection Sandoz Vitamin Injectable Solution - 1000 mcg/10 mL Vitamin B Vitamin B-12 3000 mcg Injection,

Plant-Based Vitamin B12 At present, it is only certain that the freshwater algae chlorella contains a guaranteed vegan source of B12, provided that it has been grown naturally (not under sterile farm conditions)

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A few require genetic testing to confirm hereditary intrinsic factor deficiency before approving injectable therapy, despite pernicious anemia predominantly being an acquired autoimmune condition

If your dietary sources are insufficient, you may consider supplements, such as pills or injections, depending on the cause of the deficiency

Consult with a qualified healthcare professional before beginning any supplementation program