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.
Upset stomach is sometimes believed to be caused by a lack of acid in the stomach, not too much acid, as is commonly assumed. When too little acid is the case, putting more acid in your tummy can help. Apple cider vinegar also contains a host of nutrients including vitamin B and vitamin C. The vinegar itself can be strong to the taste, so mix a tablespoon or two in hot water, add a little honey, and you'll be good to go. Rice.