US$ 21.70
should injections of b12 be hydroxocobalamin or methylcobalamin Sandoz Vitamin Injectable Solution - 1000 mcg/10 mL Methylcobalamin Injections | Vitamin B12
Description
Half-life & duration of action : Half-life is generally ~105 hours

I hope you find a good solution
Food and Drug Administration (FDA) - "Saxenda (Liraglutide) Injection, for Subcutaneous Use." Accessed on April 3, 2024, at FDA - "Drug Compounding and Drug Shortages." Accessed on April 3, 2024, at Harvard T.H

The needle is very small (2931 gauge)

The studies surrounding the effects of vitamin B-12 injections with regards to weight loss remain inconclusive
