Because your skeletal muscles are filled with mitochondria (the portion of your cell responsible for energy production in your body) and we know that B12 directly acts in these mitochondria
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Outer Upper Arms: The area is easily accessible for self-injection and often used for smaller dose administrations
The body cannot produce B12 independently, so it must be obtained through dietary sources or supplementation
Light Snack Small amount of food crackers, fruit, or a light appetiser
Not for human consumption, nor medical, veterinary, or household uses