Add high-quality protein sources such as:
Eggs
Lean poultry
Fish
Greek yogurt
Beans and lentils
Tofu
Aim to include a source of protein at every meal. This helps support continuous keratin production and overall nail resilience.
2. Biotin (Vitamin B7): The Nail-Strengthening Nutrient
Biotin is one of the most well-known nutrients for nail health. Studies suggest that biotin supplementation may improve brittle nails, but many people can get enough from food alone.
