vitamin b12 injection 1000 mcg ml for Cyanocobalamin 1,000 mcg, 25/Box (Rx) — Mountainside Medical 1000 mcg/m Cyanocobalamin 1,000 mcg / mL

Quality can vary significantly between different brands, depending on the form and the manufacturing process

They also use the injections to help those following their weight loss programs

Finally, the enzyme methionine synthase uses this methylcobalamin to convert homocysteine into methionine

However, you should: Call 999 or go to A&E immediately if you experience signs of a severe allergic reaction (difficulty breathing, severe throat/facial swelling, or collapse) Contact your GP if you experience a rash, itching, persistent pain at the injection site, or worsening neurological symptoms despite treatment If you suspect any side effects from your B12 injections, you can report them through the MHRA Yellow Card scheme (yellowcard.mhra.gov.uk)

However, due to the unbalanced standard American diet and the finicky nature of the vitamin, B12 deficiencies are common in the general population, too