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.
Folic acid is used for preventing and treating low blood levels of folate (folate deficiency), as well as its complications, including âtired bloodâ (anemia) and the inability of the bowel to absorb nutrients properly. Taking folic acid lowers homocysteine levels by 20% to 30% in people with normal to slightly elevated homocysteine levels. 2  It is recommended that people with homocysteine levels greater than 11 micromoles/L supplement with folic acid and vitamin B12.