route of vitamin b12 injection Treating Severe Deficiency Compounded Cyanocobalamin (Vitamin B12) Injection

Oral Supplements Timeline People who take Vitamin B12 supplements in tablet or capsule form usually experience improvements after a period of 2 to 4 weeks

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Your GP may need to check for co-existing deficiencies (folate, iron, vitamin D) or investigate alternative causes for your symptoms

The most chemically complex of all the vitamins, methylcobalamin is a water-soluble, organometallic compound with a trivalent cobalt ion bound inside a corrin ring which, although similar to the porphyrin ring found in heme, chlorophyll, and cytochrome, has two of the pyrrole rings directly bonded

However, if vitamin B 12 deficiency is the cause, it will persist despite the resolution of the anemia