b12 injection and pfizer vaccine U.S. FDA, CDC see early signal of possible bivalent COVID shot link to stroke Vitamin B12 Injections Great Barr
Description
10.1136/bmj.315.7109.629 21 FieldE
Its primarily in the Liver, Yes - but there are much smaller stores elsewhere for " local" processing...these are not part of the digestive process

If youre struggling with restless nights or early fatigue, adding B12 to your routine may help you sleep better within days, as shown in this study on B12s effect on sleep regulation

Natural Sources of B12 You can get B12 from food
