Label-listed effects can include mild digestive upset, nausea, diarrhea, headache, or irritation related to a nasal or injectable product
Always use clean needles and dispose of old needles properly
I highly recommend them to anyone who genuinely has self respect and wishes to live a healthy fulfilling life
Some patients must continue to take supplements or receive injections for life depending on the reason for the deficiency
Commonly Reported Side Effects Most users experience mild and temporary side effects, including: Injection site reactions Redness, swelling, or irritation at the injection site
Free vitamin B12 then combines with intrinsic factor a substance secreted by the stomach cellswhich enables it to be absorbed from the small intestine