IRCT20180509039596N2 IRCT 2018-06-25 Shiraz University of Medical Sciences Effect of whey protein and dietary fiber on appetite and weight management The effect of biscuit fortified with whey protein and dietary fiber on biochemical and behavioral factors of appetite, anthropometric indices, and glycemic profile in overweight or obese adults 2018-06-22 anticipated 96 Complete https://irct.ir/trial/31272 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: Balanced block randomization method will be used to random allocation, and randomization unit will be a subject. At first, we will design blocks with different sequences of A, B, C, and D. Then we will select a block, in a draw. Each block contain a sequence of A, B, C, and D which determine intervention groups. Participants and researchers will not be notified the packages content, Blinding description: Participants, clinical assessor, and researcher will be blind. Participants, clinical assessor, and researcher don't know subjects allocated to which group. Participants will be identified by A, B, C, and D letters. N/A Overweight and obesity. Intervention 1: Intervention group: Whey protein and dietary fiber enriched biscuits. Biscuits will be consumed during 60 days of intervention duration. Participants will take 14 grams pre day whey protein. Dietary fiber will be added to biscuits as wheat bran, 15% of wheat flour. Intervention 2: Intervention group: Whey protein enriched biscuits. Biscuits will be consumed during 60 days of intervention duration. Participants will take 14 grams pre day whey protein. Intervention 3: Intervention group: Dietary fiber enriched biscuits. Biscuits will be consumed during 60 days of intervention duration. Dietary fiber will be added to biscuits as wheat bran, 15% of wheat flour. Intervention 4: Control group: Biscuit without whey protein or dietary fibe. Biscuits will be consumed during 60 days of intervention duration. 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 The publication plan is still unknown