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<h4 class="dechead">On One Hand: Benefits of injection
The injectable form of B12 offers the benefits of the vitamin in a quickly-absorbed form. Each syringe holds a single dose of Vitamin B12, making it easy for patients to remember how much to take.
On the Other: Oral alternatives
Vitamin B12 is available in oral capsules and in an intranasal gel. These alternatives help patients with B12 deficiency who have a fear of needles. Oral alternatives also do not require a doctor, nurse or caregiver to administer the injection.
Bottom Line
The standard dose of Vitamin B12 delivered by intramuscular injection is 1,000 mcg--one syringe--once per day. Talk to your doctor to determine any special needs for individual circumstances.
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