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Intravenous Administration The way B12 injections are given, either intramuscularly or intravenously, affects how well they work
The typical Vitamin B12 dosage is 1000 mcg
You also take this vitamin in combination with other B vitamins, such as B1 and so on
Dietary Habits: Vegetarians, vegans, and individuals with restrictive diets may need regular B12 injections to maintain optimal levels