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Description
Headaches Because B12 deficiency affects your nervous system, it can lead to neurological side effects, including headaches

There are two main antibody tests we rely on: Intrinsic Factor Antibody (IFA) Test: This is the gold-standard test for confirmation
Oral B12 supplements have to pass through the gut, and absorption can be limited especially if you have digestive issues, take certain medications like metformin or antacids, or simply have low stomach acid

Do take as directed by your healthcare provider
This improves the colour of the skin but takes time to bring it into effect
