Function

Vitamin U is not actually a vitamin, but is instead a term used to refer to a substance called S-Methylmethionine. It's found in several different types of food and is used as a naturopathic supplement to treat a variety of health problems.
S-Methylmethionine is found in both plants and animals, and it can also be made synthetically. The most common way to consume it is in liquid or spray form, but it can also be taken in tablet form or directly from foods. The most common natural sources are green cabbage leaves, alfalfa sprouts, spinach, kale, tomatoes, celery, wheat, turnips, radishes, and parsley. Some health experts recommend getting vitamin U from raw or fermented foods, since appears to be much more effective when cold, and cooking may make it not work as well.
Vitamin U Powder is a vitamin found in green vegetables. It is used in the treatment of peptic ulcers, colitis, and gastritis and has an effect on secretory, acid-forming, and enzymatic functions of the intestinal tract.
1.Vitamin U was termd from the fact that a very small quantity of this compound was effective for the medical treatment of the gastric ulcer. From the word ulcer came letter "U". But the Vitamin U isn't vitamin, it is a derivativ of the acid methionin.
2.Vitamin U strengthens the immunsystem of human, animal, and plant cells. Protects from damage the membran systems of living sells (the walls cellorganels, etc). Moreover the damage can be stopped and can easily be regenerated.