A decoction of fenugreek seeds is known to reduce glucose levels in blood and urine, and help relieve symptoms of diabetes. For better effects, the powdered seeds can be taken as a drink in water or in buttermilk 15 minutes before a meal.
Fenugreek seeds are also a rich source of fibre (50%). Their dietary fibre fraction also exerts anti-diabetic effects through inhibition of carbohydrate digestion and absorption, and enhancement of peripheral insulin action. In addition they contain trigonelline, a component known to reduce blood sugar levels. It is reported that drug requirement for type 2 diabetes mellitus may decrease significantly with the use of methi. However, that does not mean that diabetics can straightaway stop medication, if they take methi. The optimal doses of the medication can easily be worked out in consultation with the physician.
Phytochemical (saponins) and a branched-chain amino acid in fenugreek have also been claimed to aid in glucose, lipid metabolism and cancer protection. Interestingly, among spices, fenugreek seeds have been known to have high flavonoid content, a type of phytochemical (plant chemical).