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This is one reason why some people may not get enough iron, even with a supplement
To make it clearer, heres a quick summary of the different ways you can check your B12 levels
Step 2: Using the mixing syringe tighten the needle to the hub then pull hack the plunger to bring in 10 mL/cc of air
Taking a proton pump inhibitor or other medications that reduce stomach acid for reflux or ulcers, as well as taking metformin for diabetes, can reduce absorption of B12 in food or supplements
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