side effects of vitamin b12 injections Common Mistakes in to Avoid A vitamin B12 deficiency was

Copper is involved in melanin synthesis (hair pigmentation) and is a cofactor for enzymes involved in keratin cross-linking

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Vitamin B12 injections are the best way to get extra B12 in your system because the form of the nutrient uses isnt bound to anything, making it readily available for absorption, even for patients who have trouble absorbing it from their diet

Eating whole foods gives you so many nutrients your body needs, not just B vitamins, but also things like fiber and antioxidants that youre not going to get in a supplement. Two exceptions to the food-first rule: For others who are at risk of deficiency or who want some assurance that theyre getting the B vitamins their body needs, Romito has some additional advice: If somebody really wants to take a supplement, I encourage you to look for ones that have 100% of the recommended dietary allowance

Its potentially the best guide for dosing, with target ranges of 50-100 pmol/L