However, some people may experience some pain, swelling or redness at the injection site, and in much rarer cases headaches, itching or nausea
How Often Do You Get B12 Injections for Weight Loss
Where to Inject B12 First, decide whether youll inject subcutaneously or intramuscularly
Drug/Laboratory Test Interactions Persons taking most antibiotics, methotrexate and pyrimethamine invalidate folic acid and vitamin B12 diagnostic blood assays
In a randomized, placebo-controlled intervention study with more than 900 older participants experiencing psychological distress, daily supplementation with folic acid (400 g) and vitamin B 12 (100 g) for two years did not reduce the occurrence of symptoms of depression despite significantly improving blood folate, vitamin B 12 , and homocysteine levels compared to placebo (109)
6 / 13 B12 deficiency is rare because your body can store several years supply of the stuff