There are a few common, mild side effects associated with B12 shots, including: Mild diarrhea, itching, nausea and vomiting, dizziness, headaches, and hot flashes Redness or swelling at the injection site Temporary soreness at injection site Serious side effects are rare but require immediate medical attention
Room temperature is the documented storage condition, so travel at ambient temperature is acceptable as long as sustained heat exposure (hot car interiors, checked luggage in cargo holds during summer) is avoided
Storage Information: Store at 20 to 25C (68 to 77F) [see USP Controlled Room Temperature]
For an immune boost, athletic prep, or recovery you may schedule them on a circumstantial basis
Reconstitution Directions Step 1: Remove the caps from the Methylcobalamin 10,000 mcg vial of powder and bacteriostatic water vial