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Thiamin is crucial for energy metabolism and supports normal nervous system functions
A thicker needle is necessary for IM injections to penetrate the muscle tissue effectively
Other Ways to Supplement With Vitamin B12 If blood tests indicate that youre dealing with a vitamin B12 deficiency and you arent a fan of needles, you have a few ways to up your intake
Get Second Opinion Not sure where to start
Storage: Store in a cool, dry place
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