nausea after b12 injection Why do I feel worse a injection: causes explained B12 Shots at Home: How,

Store your vial in the original packaging or wrap it in aluminum foil if the packaging has been discarded

Insert the needle at a 90-degree angle if you are using a short needle, or 45 degrees if the needle is longer or you are very lean

These injections work efficiently because they bypass the digestive system & deliver the vitamin directly into the bloodstream

Consult a healthcare provider before supplementing if you: Take blood thinners (vitamin D affects clotting) Use metformin, or proton pump inhibitors (both affect B12 absorption) Have kidney disease (impairs vitamin D metabolism) Have a history of kidney stones (excess vitamin D increases risk) Are being treated for any chronic condition Testing first ensures you get the right dose