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Vitamin B12 sources and bioavailability

Individuals with B12 Deficiency B12 deficiency symptoms include fatigue, weakness, numbness or tingling in the extremities, tongue soreness, depression, and even memory issues

In addition, one episode of severe hypoglycemia requiring intravenous glucose was reported in a semaglutide-treated patient

Though uncommon, vitamin B12 may sting a little on injection, though this is usually a short-lived side effect

For lifters, this is important because tendons and ligaments rely heavily on collagen structure for strength and durability

Some patients report improved energy after adding b12 injections to their protocol