can you overdose b12 injections Are Vitamin Shots Right for You? Sublingual B12 vs. B12 Injections:
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Thats not a motivation problem

Many different causes can play into B-12 deficiency, including the food you eat, medications you take, and issues with absorption and your age, with older adults being more susceptible
What are the known side effects or adverse effects of subcutaneous (under the skin) cyanocobalamin (Vitamin B12) injections?

Antibodies against parietal cells (the cells lining the stomach that make intrinsic factor and stomach acid)

Plasma ceramides are elevated in obese subjects with type 2 diabetes and correlate with the severity of insulin resistance

doi:10.1016/j.heliyon.2017.e00251
