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For a 5 mg vial with a target dose of 250-500 mcg twice daily, adding 2 mL of bacteriostatic water creates a 2.5 mg/mL concentration
the exact amount depends on the concentration you want
Doses greatly exceeding the nutritional requirements (for example, hundreds of milligrams daily) have not been studied in randomized trials for safety, so one should avoid mega doses in pregnancy unless treating a specific condition (such as pyridoxine-responsive seizures) under careful supervision
Understanding vitamin b12 benefits Vitamin B12 plays a crucial role in maintaining healthy blood cells and nerve function
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