IRCT2017060334308N1 IRCT 2017-08-20 Tehran University of Medical Sciences Evaluating the effects of oligopin supplementation on the turnover of bone formation and antioxidant changes in postmenopausal osteopenic women Evaluating the effects of oligopin supplementation on the turnover of bone formation and antioxidant changes in postmenopausal osteopenic women: A randomized double-blind clinical trial with placebo-concurrent controls 2017-08-25 anticipated 44 Complete https://irct.ir/trial/26242 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Prevention, Randomization description: Randomization was performed for all participants based on age (50–55, 55–60, and 60– 65 years old) and BMI (BMI more than 27.50 kg/m2and less than 27.50 kg/m2) to minimize any bias, Blinding description: Placebo and Oligopin® capsules were distributed by the site research officer who is unaware of the contents of the packages. Patients, health care clinicians and research staff involved in data collection and statistical analysis were blinded and unaware of the randomization and intervention of the patients. It should be noted that capsules containing pine bark extract and placebo were identical in appearance, size, and color. 3 Osteopenia. Intervention 1: placebo, 150 mg,once daily,12 weeks. Intervention 2: Oligopin ,150 mg ,once daily, 12 week. Yes - There is a plan to make this available What will be shared: Data are available on request to the authors after manuscript publication. When: when summary data are published To whom: This is only available for people working Conditions: ---- Where to obtain: Corresponding authors' email addresses How to obtain: --- Comments: