b12 subcutaneous injection needle size Dr. prescribed injections. Pharmacy only gave me vials. Where do you get your needles and syringes? What size?? Where do I inject? : r/B12_Deficiency what size needle for subcutaneous

References Heffernan M, et al

This is my first round, but already seeing it work

The Prohibited List

Common side effects (may affect up to 1 in 10 people): * Pain, redness, or swelling at the injection site * Nausea * Headache Uncommon side effects (may affect up to 1 in 100 people): * Diarrhea * Dizziness * Allergic reactions such as skin rash, itching, or hives Rare side effects (may affect up to 1 in 1,000 people): * Severe allergic reaction (anaphylaxis) with symptoms like difficulty breathing, swelling of the face or throat, and a drop in blood pressure

For GHK-CU and AHK-CU, start with 1-2% concentration regardless of which type you choose