Can Lack of Vitamin C Cause Brittle Nails?
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3 min read
According to the National Institutes of Health, the Recommended Dietary Allowance (RDA) for vitamin C in adults ranges from 65 to 120 mg per day. When intake falls below this, it can have wide-ranging effects on the body, including affecting nail health. Specifically, a vitamin C deficiency can interfere with collagen production, a protein essential for nail integrity and strength.
