Please choose the correct ending to complete the given sentence: Health: [header] How to take psyllium husk [title] Understand the uses of psyllium husk. [step] Psyllium husk is a source of soluble fiber. It is often used for occasional constipation and to help restore regularity.

Ending1: Psyllium husk works by absorbing water in your digestive tract and combining with the water to form bulky stool. This process stimulates digestion and helps quicken the passage of stool. Ending2: It has been found to have a positive effect on the immune system. [substeps] The benefits to psyllium husk come from carrying the soluble fiber molecules into the bloodstream. Ending3: There are two main types of psyllium husk : [substeps] Soluble fiber is produced in the form of a gaccid called niacin. This gaccid is formed in the abdomen and deposits waste in the intestines, which enables the male to urinate properly. Ending4: It also molds into fat-forming fiber, which helps relieve vaginal soreness. [substeps] Psyllium husk is also used in aromatherapy as well as as a mind and body cleanse.

Answer format: ending1/ending2/ending3/ending4