This systematic review evaluates the effects of medicinal plants and phytochemicals—including resveratrol, garlic, curcumin, cinnamon, ginger, nuts, berberine, anthocyanins, soybeans, flaxseed, vegetable oils, and soluble fibers—on insulin resistance and glucose homeostasis in patients with type 2 diabetes. These compounds demonstrated beneficial effects by improving insulin sensitivity, reducing fasting blood sugar
