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A member asked:
Can b12 shots increase body muscle mass. my arms are relatively thin so the exercise doesn't have effect. i gonna inject b12 by myself. can it help?
2 doctors weighed in across 2 answers
No: Long answer...no. Please be very wary of ANY sources (usually self-serving, i.e., money involved) that purport to help you with your desire to increase muscle mass. A good personal trainer, good diet, and regular exercise of targeted muscle groups will help, but please be patient, and worry less about your body image. It's not worth the aggravation and potential for self-harm.
Answered 9/25/2014
3.7k views
Doubtful: B12 supplementation might increase exercise effectiveness by improving carbohydrate utilization for energy, and thereby might make your workouts more energetic and effective, but I don't think B12 will directly improve your muscle mass.
Answered 9/25/2014
3.7k views
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