What deficiency causes white toenails? A guide to nail health and nutrition
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4 min read
Over 90% of white toenail cases are caused by trauma or nail fungus, but for the remaining cases, the answer to **what deficiency causes white toenails?** lies in understanding key dietary shortfalls. While minor injuries are the most common reason for white spots, persistent or widespread discoloration warrants a closer look at your nutritional intake.
