funny taste in mouth after b12 injection Why Do I Have a Metallic My Getting the COVID-19 Vaccine? funny taste in mouth after

Conversely, some studies show that a deficiency in vitamin B12 may cause appetite loss, potentially leading to weight loss if left untreated ( If youre low or deficient in B12, your healthcare provider will likely recommend oral vitamin B12 supplements or injections to increase your blood levels ( summary Low levels of vitamin B12 can cause megaloblastic anemia, which is characterized by shortness of breath, headaches, and fatigue

These side effects are usually temporary and resolve quickly

If you have a severe vitamin B12 deficiency, you might feel a significant boost almost immediately

C., Florquin, S., Houtkooper, R

[11] reported that NNMT knockdown improves glucose tolerance and insulin sensitivity in diet-induced obese mice