what is best b12 injection or tablets

what is best b12 injection or tablets Vitamin at a Licensed Pharmacy B12 Injection vs. Oral Supplements:

Name: what is best b12 injection or tablets Vitamin at a Licensed Pharmacy B12 Injection vs. Oral Supplements:
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Description

Cyanocobalamin is a stable, lab-made form of B12 that your body converts into its active form

It helps maintain the protective covering of your nerves, known as the myelin sheath, which allows for efficient nerve signal transmission

Nevertheless, observational studies such as these cannot determine whether low levels of vitamin B12 were the cause of the weight gain or whether higher levels of vitamin B12 protected against lower levels