best place to give im b12 injection How a Injection: Step-By-Step Instructions Best Vitamin B12 Injection Sites:

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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)

Because it is water-soluble, any excess amount of Vitamin B12 that the body does not use is excreted through urine, meaning it doesnt build up to toxic levels

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