are there any side effects from b12 injections Vitamin B12 Shots at Home: How,

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Skin type isnt a factor because injections, not the skin surface, go into the muscle

To put it plainly: if low B12 was one of the things holding you back, addressing it can help you show up better for the diet and exercise work that actually drives results

Even considering all of these factors you need to understand that checking vitamin B12 levels in the serum still isnt the best way to evaluate for B12 deficiency

This makes injections highly effective for pernicious anaemia and other malabsorption syndromes, including post-gastrectomy states, Crohn's disease affecting the terminal ileum, and certain medications that interfere with B12 uptake