Some say it is a vitamin deficiency but I read on a site that this is not true.. Splitting nails. Cool Blonde May indicate Apartments - Apartment Orlando trauma to the nail or a vitamin deficiency. Spooning of nails. May be caused by an iron deficiency. Thick nails. This paper only suggests possible

links to vitaminmineral deficiencies... in bone and cartilage- retard growth ( especially hair and nails).. Dark nails (thin, flat, spoon-shaped nails), normally indicate a vitamin B12 deficiency or anemia. Nails can also turn gray or dark

if the hands are placed. Nutritional deficiencies. Vitamin A and calcium deficiencies - dry brittle nails. Vitamin B deficiency - horizontal and