This medication is given by injection into a muscle or under the skin as directed by your doctor. The dosage is based on your medical condition and response to treatment. Injections may be given ...

Take this medication by mouth, usually once daily or as directed by your doctor. This medication is best taken on an empty stomach 1 hour before or 2 hours after meals. If stomach upset occurs ...

He said: "For vitamin B12 products, the typical daily dose is 1,000 micrograms, which is more than 400 times higher than the Recommended Dietary Allowance." READ MORE: Doctor says high cholesterol ...