IRCT20120913010826N19 IRCT 2018-01-04 Yazd University of Medical Sciences The effect of saffron tablet in obese prediabetic patients The effect of saffron tablet on lipid profiles and blood glucose and oxidative stress in obese prediabetic patients 2017-11-01 anticipated 80 Complete https://irct.ir/trial/11258 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Prevention, Randomization description: Block randomization will be done using www.randomization.com to assign equal participants in each group (1:1 allocation ). An independent researcher will make random allocation cards using computer-generated random numbers. he will keep the original random allocation sequences until analysis time. Another independent researcher will measure the patients outcome and she will not know the allocation, Blinding description: dietary supplements and placebo produced and coded in similar shape, color, and size by the company. Allocation concealment will be done using sealed envelopes. So, principal researcher, clinician, and participants are not aware about group assignment. N/A Obese Pre-dabetic. Intervention 1: The control group will receive placebo (the same as saffron pill in doses of 15mg)once a day for 8 weeks. Intervention 2: The intervention group will receive saffron pill in dosage 15 mg ,once 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 Decisions will be made case by case based on requests.