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After receiving a B12 shot, avoid heavy lifting or intense physical activity for the first 24 hours to minimize soreness at the injection site
Signs of intramuscular injection include deeper, more intense pain during injection, increased bruising, faster onset of side effects (nausea, headache appearing within hours instead of the typical timeline), and a sore, tender feeling in the thigh muscle for a day or more after injection
Additionally, it may help preserve muscle during weight loss
Transfer of drugs and other chemicals into human milk
Depending on your diet, absorption, and current levels, they can tell you whether injections, supplements, or a mix makes the most sense for you
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