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Moreover, it helps you push far past your normal point of failure during intense exercise as the added energy prevents you from prematurely burning out
A B12 injections effect can last anywhere from a couple of weeks to a few months, and the difference comes down to why you are deficient, how well your body holds on to B12, and the dose and schedule you are on
Measurement of serum methylmalonic acid should be used to confirm deficiency in asymptomatic high-risk patients with low-normal levels of vitamin B 12
PMID: 41490200
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