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Zimmerman says her mom was swayed by the sign on the clinics storefront, which promoted high-dose vitamin B12 injections to improve energy and memory
Vitamin B12 is a vital nutrient that plays a significant role in the production of red blood cells, nerve function, and DNA synthesis
There are also methylmalonic acid (MMA) tests that provide a more complete analysis of the vitamin B12 available in your body
How long does a vitamin B12 injection last
Degraded peptide may lead to a less potent drug without any visible sign of the problem
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