What to Eat to Reduce Nail Ridges: A Nutrition Guide for Healthier Nails

hat you eat plays a major role in nail strength and appearance.

Here’s what to include in your diet if you want smoother, stronger nails.

1. Protein: The Foundation of Strong Nails
Nails are made primarily of keratin, a type of protein. If your diet lacks adequate protein, nails can become weak, thin, and more prone to ridging or splitting.

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.

Good dietary sources of biotin include: