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Doctor insights on: Vitamins For Fingernails

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Want stronger fingernails. Any vitamins or supplements to help?

Want stronger fingernails. Any vitamins or supplements to help?

Biotin: 3 to 5 mg biotin is a popular vitamin used for nail and hair, dermatolgists love it. But, don't count on it. Some people may never see a good result. ...Read more

Fingernails (Definition)

Fingernails are the hard coverings at the end of fingertips. Nails are made out of a protein called keratin. they function to protect the fingertip and to increase sensitivity of touch. Good hand hygiene and nail care is important to prevent bacterial ...Read more


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In the last couple of months I have developed a ridge in one fingernail. I have no other ridges, and have not injured any nail. Could it be vitamins?

In the last couple of months I have developed a ridge in one fingernail.  I have no other ridges, and have not injured any nail. Could it be vitamins?

Should not: Nail ridging due to thyroid or other problems shouldn't be limited to one nail. Show it to your doctor during your next check up though. ...Read more

Dr. Peter Lio Dr. Lio
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What is the vertical brown line under fingernail? I'm taking iron vitamin for anemic. 8 month ago I use clobesatol for alopecia.

Dr. Peter Lio Dr. Lio
1 doctor agreed:
What is the vertical brown line under fingernail? I'm taking iron vitamin for anemic. 8 month ago I use clobesatol for alopecia.

Melanonychia: Melanonychia is a brown-to-black line within the nail, frequently seen in patients with darker skin and often on multiple nails. It can be seen in certain syndromes or due to medications. Rarely, it can be a melanoma of the nail and so needs evaluation by a dermatologist. Probably not the nail changes of anemia or alopecia which are usually not brown lines. ...Read more

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What is the vertical brown line under finger nail ? I'm taking iron vitamin for my anemic.

What is the vertical brown line under finger nail ? I'm taking iron vitamin for my anemic.

Melanonychia: Melanonychia is a brown-to-black line within the nail, frequently seen in patients with darker skin and often on multiple nails. It can be seen in certain syndromes or due to medications. Rarely, it can be a melanoma of the nail and so needs evaluation by a dermatologist. Probably not related to nail changes of anemia (such as koilonychia). ...Read more