Quick Answer. Pepto-Bismol sometimes turns stool black when its active ingredient, bismuth subsalicylate, reacts with sulfur in the intestinal tract to form bismuth sulfide. The change in stool color caused by Pepto-Bismol isn't harmful, but a doctor should be consulted if it is accompanied by vomiting, diarrhea or stomach pain, states About.com.
Folate is the natural source of vitamin B9 found in a variety of foods, most often, in leafy green vegetables, dried beans, and peas. When it is used as an additive in foods, generally in bread, grains or breakfast cereal, or when it is taken as a supplement, it is called folic acid.eans and peas are good sources of folate. Pregnant women are advised to take folic acid supplements to reduce the risk of birth defects. Curly endive, which contains folate. Folate supplements are water-soluble.
Due to its role in the synthesis of DNA and other critical cell components, folate is especially important during phases of rapid cell growth [67]. Clear clinical trial evidence shows that when women take folic acid periconceptionally, a substantial proportion of NTDs is prevented [14,38,66,68,69].