Search Now. Find a Great Dermatologist Near You. Dry scaly skin has been associated with a number of disorders, including bacterial infections (for example, impetigo, staph infections, or erythrasma) and fungal infections (for example, tinea, also known as ringworm).
One vitamin that can upset your stomach when taken in large doses is vitamin C, also called ascorbic acid. Vitamin C plays an essential role in tissue maintenance by promoting the production of collagen -- a protein that makes up a portion of your bones, blood vessels, tendons and ligaments.
The most common vitamins and minerals that require sufficient stomach acid to be properly absorbed are magnesium, zinc, calcium, iron, vitamin B12 and folic acid. 13 common symptoms of low stomach acid: 1  Bloating, belching and flatulence immediately after meals. 2  Indigestion, diarrhea or constipation. 3  Soreness, burning or dryness of the mouth. 4  Heartburn. 5  Multiple food allergies.