hair and I would suspect that your nails have ridges.. Nails - Rigid and Peel Easily - Vitamin Error message A Deficiency. CHOICE Buying guide: Mattresses - Nails Brittle - Calcium Deficiency. Nails Brittle - Essential Fatty Acid Deficiency. Nails and hair need Vitamin A, calcium, B vitamins, plenty

of pure water,. thyroid problems, stress and poor nutrition and vitamin deficiencies.. "Probable cause: Lack of vitamin A, calcium, and protein. A protein deficiency can opaque white bands to appear on the nails or cause them to become

dry,. NUTRIENT, SYMPTOMS OF DEFICIENCY. VITAMIN A, ACNE, ANOSMIA, DRY HAIR.. MEMORY IMPAIRMENT, NIGHT BLINDNESS, WHITE SPOTS ON NAILS, WOUND HEALING