why do i feel so tired after b12 injection Vitamin | Causes of Fatigue and Energy Support Feeling Tired All the Time?

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One study, for instance, notes that people who are overweight or obese appear to have lower levels of vitamin B12 than those with a body mass index (BMI) that falls within the range considered to be normal. People who took vitamin B12 supplements of their own volition gained between 2.5 and 17 fewer pounds (1.27.7 kg) over ten years compared to those who did not take any form of supplementation with this vitamin

One study by Tufts University found that nearly 40% of American adults have a B12 deficiency, and some doctors believe the rate to be higher

Insert the needle at a 90-degree angle to the skin

I used to make myself relax, then tell myself to relax more before injection