The vitamins may take some time to fully absorb into the body, meaning with injections it may take a few days or weeks before the effects are noticeable, and may take a bit longer for vitamin supplements, but at the recommendation of a doctor, you should feel better with the correct amount of vitamin B12 being taken regularly
If the result is borderline or your symptoms are suggestive despite a "normal" number, MMA and homocysteine add diagnostic sensitivity
Supplementing with Vitamin B12 may delay the onset of depression and has improved the effect of antidepressants [5]
however, injections may be administered biweekly until vitamin B12 levels return to normalcy
Vitamin Injections offer a fast and effective way to enhance your energy level, mood, and assist with weight loss management
Intramuscular injection Some researchers prefer intramuscular administration, particularly when combining with training