And avoid taking high-dose iron, zinc or other supplements just because you notice ridges.
Supplements
are most appropriate when there is a genuine need or deficiency.
What About Biotin Supplements?
Biotin is heavily marketed for nails and hair.
Some people use it for brittle nails, but that doesn’t mean everyone with nail ridges needs a biotin supplement.
Cleveland Clinic recommends discussing biotin supplementation with a healthcare provider rather than assuming it is necessary.
This is particularly important because nail changes have many possible causes.
Don’t Expect Overnight Results
Fingernails grow
