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(13) As a result, low levels of IF can interfere with the ability to absorb vitamin B12 and lead to a deficiency

New Insights on Muscle Strength: The Role of Inhibiting an Enzyme that Hinders NAD+ Synthesis University of Texas Medical Branch researchers show that treating with an inhibitor of an enzyme that breaks down an NAD+ precursor enhances muscle strength and endurance and shortens recovery time in aged mice

Individual circumstances: While guidelines are in place, a doctor is ultimately responsible for making decisions appropriate for each patient

Intramuscular Vitamin B-12 Injections Also called shots, intramuscular vitamin B12 injections are a common and effective way to treat a deficiency