IRCT20201018049061N1 IRCT 2020-11-30 Shiraz University of Medical Sciences Effect of Zinc in Obesity The Effect of Zinc Supplementation on Appetite Regulatin Hormones in Obese Adults with High Appetite and Zinc Deficiency 2018-02-20 anticipated 50 Complete https://irct.ir/trial/51805 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Prevention, Randomization description: In order to assign the eligible participants to the two groups , the stratified blocked randomization method was used . the block size is calculated as the sum of two allocation to the intervention group (A) and two allocation to the placebo group (B) that are created in six permutation groups , BAAB, ABBA, BBAA, BABA, ABAB, AABB. randomization is performed using computer software , Blinding description: The manufacturer closes the capsule in the same packages and identifies them with the names A and B and do not know the nature of them until after the study. N/A Obesity. Intervention 1: Intervention group: Consumption of a capsule containing 30 mg zinc gluconate (manufactured by nature made) per day for 3 months. Intervention 2: Control group: Consumption of a capsule containing 30 mg indigestible starch per day for 3 months. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no more information.