how many b12 injections are needed Vitamin for MTHFR: Injection or sublingual B12? – Methyl-Life® Supplements Best Vitamin B12 Injection Dose

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The recommended daily intake for adults is 1.5 micrograms, but higher supplemental doses ensure adequate absorption

Nayana Shetty, MBBS, MD Health Risks Associated with High B12 In some cases, high vitamin B12 levels symptoms can include unusual symptoms like anxiety or a rapid heartbeat, which are more likely associated with the underlying condition, not the elevated B12 levels themselves

Eggs and dairy products, such as milk, cheese, and yogurt, offer moderate levels of B12