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B12 shots can provide the necessary boost to achieve and maintain a higher level of physical activity, to aid in burning calories and losing weight effectively

People with certain health conditions : Those with conditions like pernicious anemia, which affects the absorption of B12, can benefit from regular B12 injections

Retrieved 2 April 2021

Your body needs vitamin B12 to stay active and healthy

Similarly, although hepatic dysfunction can occur with large niacin doses (1-3 grams daily over months) causing elevated liver enzymes or jaundice, niacinamide at 100 mg is very unlikely to have any adverse effect on the liver