does b12 have to be injected into muscle Vitamin Injection Sites: All You Need Know Vitamin B12 Injections: What You

If an at-home injection routine works better for your lifestyle, our medical professionals can guide you through dosage and administration to achieve the best treatment experience

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Contraindications include known allergy to any component of the injection formulation

You may have a deficiency if you are vegan, if you have other health conditions which mean you are unable to absorb it properly such as pernicious anaemia, you take disruptive medications such as antacids or other lifestyle factors such as alcohol intake

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Some define elevation as a value at or above 1,000 ng/L, which is the same as 1,000 pg/mL and roughly 738 pmol/L, while others set the bar at more than 1,000 pmol/L, closer to 1,355 pg/mL