Background: Flaxseed and its components have an anti-diabetic effect. Glycemic control is improved by flaxseeds and flax lignin. High levels of soluble fiber and other bioactive components of flaxseeds help in maintaining normal plasma glucose levels and have a protective effect against diabetes risk. Aim: This study aimed to find out the effect of addition of flaxseed (FXS) or flaxseed oil (FXO) to bakery products on blood glucose, body mass index, and serum lipids in type 2 diabetic patients. Design: An experimental design was conducted to achieve aim of this study. Setting: the study was carried out diabetes unite (diabetes clinic) at Armed Forces hospital, Beni-Suef city, Egypt. Subjects: Randomized cross- sectional study of cases 90 geriatric patients who have diabetic mellitus types 2 in the previous mentioned setting. Tools: I– Complete history taken; it was used to assess demographic characteristics and height of patients with type 2 diabetes mellitus- II– Full clinical examination to assess patients' fasting and postprandial blood, body mass index, cholesterol, low and high density lipoproteins (LDL & HDL), serum and creatinine level in urine. Results: revealed that, there was a statistically significant improvement in studied subjects' clinical examination in studied group 1 and group 2 after flaxseed intervention. there is a statistically significant improvement in studied subjects' clinical examination in studied group 1 and group 2 than control subjects after flaxseed intervention except HDL, HbA1C and BMI among group2. Conclusion: There was a positive effect for flaxseeds on DM type 2 outcomes among geriatric diabetic patients.  Recommendations: Increasing public awareness regarding the benefits of using flaxseeds in improving diabetes mellitus outcomes after consulting a doctor to use the appropriate dose.