methylcobalamin b12 injectable Injection (Vitamin B12) BioActive Vitamin B12 1000 mcg

The same applies if your elevated B12 is accompanied by abnormal results on other labs (liver enzymes, kidney markers, CBC), or by symptoms like unexplained weight loss, persistent fatigue, abdominal pain, or easy bruising

Learn more about how long this injection lasts below

Recommended Vitamin B12 Dosage for Seniors The proper vitamin B12 dosage for seniors depends on if they have underlying health conditions and how severe their deficiency is

More common with intramuscular administration than subcutaneous

The MTR gene works in the final step to regenerate homocysteine into methionine using methyl-B12 (methylcobalamin) MTRR regenerates the methylcobalamin for MTR to use again.[ref] Both are a vital part of the methylation cycle