Have you observed your nails becoming weak, brittle, and prone to cracking? This may signal a deficiency in potassium in your diet. Potassium is essential for maintaining nail health and strength. To enhance the condition of your nails, incorporate potassium-rich foods like beans, lentils, and fish into your meals. Consistently including these foods in your diet could lead to noticeable improvements in the strength and appearance of your nails.