IRCT20161022030424N8 IRCT 2023-09-12 Tabriz University of Medical Sciences vitamin D3 and flaxseed oil supplementation effects in type 2 diabetes Investigation of the effect of high-dose vitamin D3 with alpha linoleic acid (flaxseed oil) supplementation on serum indices of inflammation and oxidative stress in the elderly with type 2 diabetes. 2023-09-23 anticipated 104 Complete https://irct.ir/trial/71581 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: A block randomization method will be used to allocate participants to the groups with a 1:1 allocation using random allocation software (RAS) with block sizes of 2and 4. Similarly sealed envelopes will be used to conceal the allocation in a sequentially numbered opaque package, Blinding description: Intervention and placebo supplements will be prepared in exactly the same way in terms of shape, color, and odor, and will be placed in a small envelope containing 8 and 168 tablets for each participant for 8 weeks consumption. The envelopes will be opened in the order in which the participants enter this stage from number 1, and an envelope containing the supplement will be provided to the participant for 8 weeks. Outcome assessors, the person responsible for statistical analysis of the data, and the respondents will be blinded to the type of supplement received until the end of the study. 3 Type 2 diabetes mellitus. Intervention 1: Intervention group: vitamin D3 supplements at 50,000 IU per week and 1000 mg of flaxseed oil soft gel(made by Barij esans company) three times a day for 8 weeks. Intervention 2: Control group: flaxseed oil soft gel placebo three times a day and a vitamin D3 placebo once weekly 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.