💅 White Spots on Nails (Leukonychia): Zinc and Calcium Deficiency
Little white dots are not just cosmetic — they are a body signal
White spots on nails are called leukonychia. Often harmless, but they can indicate a deficiency of zinc and calcium. Let's look at when to pay attention.
What it is
Leukonychia is white spots or lines on the nail plate. Often the result of micro-damage, but sometimes a signal of deficiency.
- White spots.
- On the nail plate.
- Often micro-damage.
- Sometimes deficiency.
Zinc
Zinc is important for nail growth and cell renewal. Its deficiency is linked to white spots and brittleness.
- Nail growth.
- Cell renewal.
- Deficiency → spots.
- Brittleness.
Calcium
Calcium affects nail strength. Though the direct link with leukonychia is debated, its lack makes nails weak.
- Nail strength.
- Link debated.
- Lack → weakness.
- Important for bones.
Other causes
White spots can appear from nail trauma, fungus or protein deficiency. Sometimes the cause is just nail growth.
- Nail trauma.
- Fungus.
- Protein deficiency.
- Growth features.
Food sources
| Substance | Food | Comment |
|---|---|---|
| Zinc | Oysters | Record holder |
| Zinc | Pumpkin seeds | Plant |
| Calcium | Dairy | Main |
| Calcium | Almonds | Plant |
Practice
- Eat zinc-rich foods.
- Enough calcium and protein.
- Don't bite nails.
- Care for hands.
- Watch nail growth.
- Consult a doctor.
What is leukonychia?
White spots or lines on the nail plate.
Why white spots?
Micro-damage, zinc or calcium deficiency.
Is zinc important for nails?
Yes, for growth and cell renewal.
Does calcium affect nails?
Affects strength, link debated.
Where to get zinc?
Oysters, seeds, meat.
Where to get calcium?
Dairy, almonds, greens.
Is it dangerous?
Usually no; persistent spots — see a doctor.
How fast will they go?
As the nail grows, over several weeks.
Are supplements needed?
With confirmed deficiency — on a doctor's advice.
When is a doctor needed?
With changes in nail shape and color.