What Vitamin Deficiency Causes Tinnitus in 2026
Vitamin B12 deficiency is the nutrient deficiency most consistently linked to tinnitus in published clinical research. The connection is not universal. Most people with tinnitus do not have a B12 deficiency, and most people with B12 deficiency do not develop tinnitus. But the overlap is well-documented enough that any thorough tinnitus evaluation should include a…

