IRCT20190224042821N1 IRCT 2019-03-09 Tabriz University of Medical Sciences Effect of chlorella vulgaris algae and HIIT exercises on overweight and obesity Effect of chlorella vulgaris algae supplementation, HIIT exercises and their combination on the serum levels of PGC-1α, FGF21, SIRT1, nutritional status, body composition and aerobic power in young women with overweight and obesity 2019-04-21 anticipated 44 Complete https://irct.ir/trial/37816 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Selection would be simple allocation with blocking, Blinding description: In this study, the main investigators (including the student, and her supervisor and adviser professors) as well as the patients will be blinded to the type of the supplement (chlorella vulgaris or placebo) received by each group. The person responsible for preparing the supplement boxes(who is completely unrelated to the study) will be asked to assign a three digit code to each of the two powders (chlorella vulgaris and placebo), and keep the codes for himself until the end of the study and data analyses. N/A Overweight and obesity. Intervention 1: Intervention group 1: Participants will receive daily chlorella vulgaris supplement provided by the Iranian's Green Future company (900 mg/day in 300 mg pills after three main meals) and HIIT exercises (three sessions per week for 60 minutes) for 8 weeks. Intervention 2: Intervention group 2: Participants will perform HIIT exercises (three sessions per week for 60 minutes) and they will receive a placebo similar to the supplement provided by the Iranian's Green Future company with the same protocol (three times a day) for 8 weeks. Intervention 3: Intervention group 3: : Participants will receive daily Chlorella Vulgaris supplement provided by the Iranian's Green future Company (900 mg/day in 300 mg pills after three main meals) for 8 weeks. Intervention 4: Control group:Receive the same placebo with supplements provided by the Iranian's Green Future company with the same protocol (three times a day) for 8 weeks. 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 "No more information is existed"