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Health

Does High B12 Level Indicate Cancer?

Possible Reasons for Elevated B12 Levels in Cancer Patients Elevated levels of vitamin B12 (cobalamin) in the blood can be a sign of certain health conditions, including cancer. While a high B12 level alone is not a definitive indicator of cancer, it may warrant further investigation. Cancer cells can release a protein called haptocorrin, which binds to B12 and can…