IRCT20110606006709N26 IRCT 2023-12-30 Tabriz University of Medical Sciences Investigating the effect of amino selenium in the treatment of endometriosis The effect of supplementation with Amino selenium on the course of the disease, painful signs and symptoms in women with endometriosis: A triple blind randomized controlled trial 2024-01-19 anticipated 66 Complete https://irct.ir/trial/72544 interventional Randomization: Randomized, Blinding: Triple blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: The participants will be randomly chassified by the block method with a block size of four and six and a ratio of 1:1 allocation in tow intervention (Amino selenium) and control (placebo) groups. A person from research team not involved in the recruitment and assigning participants will generate allocation sequence using a computerized program, Blinding description: People involved in sample selection, data collection, analysis and the participants will be blinded. Amino selenium and placebo will be prepared by Tabriz nutrition research center in a completely similar way in terms of apprearance and; the usage method will be the same. Blocking will be done by a person not involved in sampling. In order to concealment allocation, drugs and placebo will be placed in completely identical falcons randomly and allocated by a person not involved in the study, which will be consecutively numbered from 1 to 66. 3 Endometriosis. Intervention 1: Intervention group: A 250 mg capsule containing 200 µg of amino selenium enriched with Saccharomyces cerevisiae yeast was made at the Tabriz Nutrition Research Center and will be used once a day for 3 months. Intervention 2: Control group: A 250 mg capsule containing Saccharomyces cerevisiae yeast was made at the Tabriz Nutrition Research Center and one capsule will be used daily for 3 months. No - There is not a plan to make this available Justification or reason for not sharing IPD is Confidentiality of participants' information