Silica: Is the first one i think of. Calcium can be another. There is a supplement called horsetail or hair, skin, and nails that is very helpful for many. See if that helps over three months...If not see your doctor. There is a great micronutrient test called spectracell (www.Spectracell.Com) that may also be helpful to you.
Answered 10/30/2018
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A doctor has provided 1 answer
A doctor has provided 1 answer
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