Fig. 1From: Evaluation of the effect of curcumin and zinc co-supplementation on glycemic measurements, lipid profiles, and inflammatory and antioxidant biomarkers in overweight or obese prediabetic patients: a study protocol for a randomized double-blind placebo-controlled phase 2 clinical trialStudy design flow chart. RCT, randomized controlled trial; IPAQ-SF, Short Form of International Physical Activity Questionnaire; SF-36, Short Form 36 QuestionnaireBack to article page