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Vitamin B-12 is a water-soluble B complex vitamin that is present naturally in a variety of food sources such as fish, meat, and dairy products

It influences several vital biological areas, such as the health of the nerves, the methylation of proteins, the structure of cell membranes and the activation of certain neurotransmitters

They might recommend a vitamin B12 injection dosage that fits your needs

These statements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease

Research shows that people who used semaglutide had lower vitamin B12 levels (they also had bariatric surgery before using semaglutide), and another study concluded that people with obesity had lower B12 levels

Environment-wide association study on childhood obesity in the U.S