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In cases of severe deficiency or pernicious anemia, injections may be given daily or weekly initially, followed by maintenance doses every month

B12 injections deliver the vitamin directly into the bloodstream for immediate, reliable absorption

B12 shots are safe when used under medical supervision and can boost energy and metabolism, which may support weight loss efforts

Your body adjusting to corrected levels If you have been deficient for months, your body has adapted to running low

To put it in context, nicotinamide has shown signs of liver toxicity only at doses around 3,000 mg per day or higher

Doctors watch how the body responds to adjust the treatment