Effects of Ginseng Berry Saponins from Panax Ginseng on Glucose Metabolism of Patients with Prediabetes: A Randomized, Double-Blinded, Placebo-Controlled, Crossover Trial

Prediabetes strongly increases the risk of type 2 diabetes and cardiovascular events. However, lifestyle intervention, the first-line treatment for prediabetes currently, was inconsistently beneficial for glucose metabolism, and the conventional medicines, such as metformin, is controversial for prediabetes due to the possible side effects.