Vitamins and minerals that strengthen brittle nails include iron and zinc. Vitamin B12 also promotes healthy, strong nails. Zinc, iron and vitamin B12 are available in dietary supplements and occur naturally in many foods.Continue Reading
Iron strengthens brittle nails caused by iron deficiency. Leafy greens, nuts and red meat contain high levels of this mineral. Discolored, brittle nails are a symptom of B12 deficiency. Dietary sources of vitamin B12 include cheese and eggs. Vitamin B12 is also available in tablet and liquid form.
Moisture is also essential for maintaining strong nails. Adequate hydration and frequent moisturization help nails stay strong and healthy.Learn more about Nail Care