side effects from vitamin b12 injections How Quickly Does Shot Work? Does It Help to Lose Weight? Benefits of Vitamin B12 Shots

B12 is an essential vitamin that the body needs to function properly

Intramuscular B12 shots can sting quite a bit, which is unfortunate, because it discourages some people from self-injecting

By supporting myelin formation, vitamin B12 ensures the nervous system functions properly and supports various sensory, motor, and cognitive processes

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In a study published in The Journal of Clinical Endocrinology and Metabolism , obese males who were given MK-677 for 2 months boosted their basal metabolic rate and observed increases in fat-free mass: Twenty-four obese males, aged 1850 yr, with body mass indexes greater than 30 kg/m2 and waist/hip ratios greater than 0.95, were treated with MK-677 25 mg (n = 12) or placebo (n = 12) daily for 8 weeks