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If anything other than sterile saline was added, it may have been a preservative that you had reacted to
Solution is passed through the membrane, leaving behind the contaminants
A healthcare provider injects a concentrated form of vitamin B12 into the muscle, bypassing the need for absorption through the digestive system
PPIs are more powerful and common, but H2 blockers can also affect vitamin B12 absorption
It is also crucial for healthy nerves and good brain function
It helps the body to use fats and carbohydrates for energy
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