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One reason: Changes in stomach acid can be part of aging, and you need hydrochloric acid in your stomach to absorb B12
Healthier skin and hair B12 supports cell production, which can improve your skin and hair
A pill has to make it through your digestive system, and that process becomes less reliable with age, certain medications, and some diets
The concentration must align with the syringes measurement increments, usually insulin syringes marked in units
Description: Bacteriostatic Water is a sterile, non-pyrogenic solution formulated for use in controlled research environments
Another type of test is the homocysteine test, which measures the level of an amino acid called homocysteine in the blood
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