how to do b12 injection Vitamin Dosage Vitamin C and B12 Injection

It supports red blood cell formation which directly helps in the management of anemia and improves oxygen transport throughout the body

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* Made in the UK and supplied in violet glass, avoiding the need to add preservatives Ingredients Reverse osmosis water, Vitamin B12 (as Methylcobalamin and Adenosylcobalamin) Supplement facts Supplement facts: Serving size: 1ml (Servings per bottle: 50) Amount per serving Vitamin B123000 mcg *NRV 200,000% *Nutrient Reference Value Suggested use Suggested use: 1ml (13 drops) daily under your tongue

I also have fibromyalgia so it is really hard to figure what is causing what with me. I really would like to know if B12 at 4000 can be harmful or be a sign of something being wrong