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Research shows 6 percent of people 60 years old and over are classed as deficient in vitamin B12, and this only increases with age
L-Arginine: Improves blood flow and circulation, and helps build protein
Duration of Therapy Considerations The length of B12 therapy varies among people
Extra vitamin B12 can be stored in the liver, and only small amounts are lost through your urine, sweat, or stools each day
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