The Best Foods for Healthier Nails

1. Biotin-Rich Foods – The Nail Growth Superstar

Biotin (vitamin B7) is perhaps the most well-researched nutrient for nail health. Studies show it can increase nail thickness and reduce splitting.

Eat more:

  • Eggs – Especially the yolks
  • Almonds and other nuts
  • Sweet potatoes
  • Spinach
  • Broccoli

  • Salmon

How much: Aim for at least one biotin-rich food daily.

2. Iron – For Strength and Color

Iron deficiency is a common cause of brittle nails, vertical ridges, and even spoon-shaped nails. Low iron means less oxygen reaches your nail beds.

Eat more:

  • Lean red meat – Beef, lamb
  • Spinach and other dark leafy greens
  • Lentils and beans
  • Pumpkin seeds
  • Fortified cereals
  • Tofu

Pro tip: Pair iron-rich foods with vitamin C (citrus, bell peppers) to boost absorption.

3. Zinc – For Growth and Repair

Zinc is essential for cell growth and division—including the cells that form your nails. Deficiency can cause white spots, slow growth, and brittle nails.

Eat more:

  • Oysters (the richest source)

  • Beef and lamb

  • Pumpkin seeds

  • Chickpeas

  • Cashews

  • Eggs

4. Protein – Nails Are Made of Keratin