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Look for reactions such as a skin rash, swelling, a blue tint to your skin, or chest tightness
Modern diets, stress, gut issues, and even medications like metformin or antacids can interfere with B12 absorption leaving your body depleted, even if your blood test is normal. What does B12 deficiency feel like
Its all about making therapy fit each patients needs and the reason for their deficiency
The timing of symptoms can give clues
Theyre relatively accurate, but generally not as sensitive as more sophisticated lab testing methods
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