1000 mcg vitamin b12 injection B-12 Injectable Solution Each mL of sterile aqueous solution contains 1000 mcg of B12 Vedco Inc. - VITAMIN B-12

Adequate stomach acid is required to release the vitamin from the protein, and a substance called intrinsic factor is necessary to ensure its absorption

Blood (2018) 131:4647

Another source of deficiency can be malabsorption issues, where the body is unable to properly absorb B12 from the intestines due to various gastrointestinal disorders

If you have a lot of metallic dental fillings in your mouth, it may be the most obvious cause of a metallic taste

Vitamin B12 deficiency is common among many, particularly in older people

Sulfur-rich cruciferous veggies like broccoli, kale, and cauliflower are also good sources