Most manufacturers recommend refrigeration at 2-8C even for unopened vials, though some formulations remain stable at room temperature for short periods
B-12 Vitamin injections have many reported benefits which include: Increased energy levels Boosts your immune system Reduced fatigue Enhances Good Mood and Helps Fight Depression Improved metabolism, which could improve appetite, sleep and energy levels Enhances Healthy Cells in Nails, Hair, and Skin Reduced risk of heart disease, stroke, and other medical conditions Reduced neuropathy (nerve damage) in people with diabetes FREQUENTLY ASKED QUESTIONS WHAT IS B-12
Without enough B12, people may feel tired, weak, foggy, or run-down
However, due to B12s effect on the metabolism, it is possible that B12 deficiency could play some part in weight gain, to whatever degree