why give a b12 injection Best Vitamin Sites Vitamin B12 Injection Sites: All
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[3] Another review of 14 randomized controlled trials also did not consistent evidence of benefit with the use of vitamin B12 supplements, alone or with other B vitamin supplements, on cognitive function in people with either normal or impaired cognition

The supplements are in pill form, and the pills have to be taken with a meal

In fact, however, these correspond more to supplement requirements, since these values were determined by injections

Caporuscio J
