b12 injection for hair vitamin is one of the most important nutrients your body's overall health Do you know what is

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Key takeaways Take magnesium and calcium supplements separately to allow maximum absorption

Intrinsic factor is only made in the stomach and after a gastrectomy there is little to no more of it or gastric acid, and the active mechanism in the body where B12 is absorbed is either less available or not available at all depending on if the surgery was a total or a part of a gastrectomy

Medical disclaimer: The information on this page is for general guidance only and does not replace professional medical advice

While the injection itself is quick, the process around it matters