7. Brittle nails and hair.

Brittle hair and nails is a fairly common symptom of nutrient and vitamin deficiency. Low B vitamins and calcium can cause your hair and nails to crack and dry. Try eating more whole foods, like whole grain bread, legumes, potatoes, leafy greens, and almond milk.

8. Persisting dry patches of skin.

When you’re deficient in vitamin E, it shows in your skin. Your skin is your largest organ and needs to be taken care of well! Vitamin E keeps it healthy. When you’re deficient in vitamin E, it can manifest in cracked, dry, scaly, itchy skin. Try adding some E to your diet through fish oil, nuts, and other healthy oils.