Background Diabetes is a group of metabolic diseases Characterized by the increased levels of glucose in the blood (hyperglycemia) resulting from defects in insulin secretion, insulin action, or both.India has the world’s second largest number of individuals living with the diabetes. Type IIdiabetic is the extremely common problem in Indian population. Diabetic ketoacidosis is a serious condition that can lead to diabetic coma (passing out for a long time) or even death.Type 1 diabetic present in children and adolescents, type II Diabetic thought affected to middle- aged group and therefore each type has various etiological factors and treatments.Flax seeds can be a beneficial and nutritious addition to the diet of people with diabetes. Flaxseed is a good source of dietary fiber and omega-3 fatty acids. The fiber in flaxseed is found primarily in the seed coat.For diabetes there is 10-60 grams of whole or ground flaxseed have been taken daily for up to 48 weeks. Objectives • To assess the level of knowledge on Diabetes mellitus. • To assess the knowledge on health benefits of flax seeds to maintain blood glucose among diabetic clients. • To find the association between level of knowledge on flax seeds among diabetic clients with elected demographic variables. Methodology A descriptive research design with convenience sampling technique was adopted to conduct a study among 30 type II diabetic clients. Data was gathered by using self-structured questionnaires. Confidentiality was maintained throughout the procedure. Collected data were analyzed by using descriptive and inferential statistics. Result Among 30 type II diabeticclients the level of knowledge on general information, 3(10%) had inadequate knowledge, 18(60%) had moderate knowledge and 9(30%) had adequate knowledge. The results which shows that the demographic variables duration of illness had shown statistically significant association with level of knowledge on flax seeds among type II diabetes clients at p<0.05 level and the other demographic variables had not shown statistically significant association with level of knowledge on flax seeds among type II diabetic clients. Conclusion These studies concluded that there is statistically significant association with the level of knowledge on health benefits of flax seeds.