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Red ginseng may offer a scientifically validated natural solution for adults in the pre-diabetic stage, with significant potential in blood sugar regulation and diabetes prevention. In a groundbreaking 12-week clinical study, Korean Red Ginseng (Panax ginseng C.A. Meyer) has been shown to improve multiple glucose metabolism biomarkers in individuals over the age of 40 with impaired fasting and postprandial glucose levels.
👉 Discover the Benefits of Korean Red Ginseng
Groundbreaking Clinical Trial
Researchers at the KGC Ginseng Corporation’s Natural Product Efficacy Research Center conducted a randomized, double-blind, placebo-controlled trial involving 98 pre-diabetic adults. Participants were divided into two groups: one received 1g of red ginseng extract powder tablets twice daily, while the control group received a placebo of the same dosage.
After 12 weeks of consistent supplementation, researchers observed statistically significant improvements in nine key biomarkers related to glucose metabolism and insulin resistance.
Key Outcomes: Reduced Blood Glucose and Insulin Resistance
Compared to the placebo group, the red ginseng group showed:
9.07% lower fasting blood glucose
11.28% lower postprandial blood glucose
1.68% reduction in HbA1c (a three-month average of blood glucose)
Post-meal blood glucose levels typically peak within 30–60 minutes after eating. The study confirmed that red ginseng had a notable effect starting from 30 minutes post-meal, reducing blood sugar spikes compared to placebo.
Moreover, insulin resistance—often a precursor to type 2 diabetes—decreased by 22.8%, demonstrating enhanced glucose uptake into cells. One of the most striking findings was a 45.6% improvement in the insulinogenic index (IGI), a biomarker that assesses the body's ability to secrete insulin after glucose intake.
Hormonal Modulation: GLP-1, Adiponectin, and Glucagon
In addition to its effects on blood sugar and insulin sensitivity, red ginseng positively influenced other hormones that are crucial for metabolic health:
GLP-1 (Glucagon-Like Peptide-1): Increased by 9.9%. This hormone plays a key role in enhancing insulin secretion, delaying gastric emptying, and reducing appetite, making it a critical target in modern diabetes treatments.
Adiponectin: A hormone involved in fat metabolism and insulin sensitivity, rose by 6.7%, enhancing the body's ability to manage glucose.
Glucagon: Known to raise blood sugar, this hormone decreased by 4.9% in the red ginseng group.
These results strongly suggest that red ginseng not only helps regulate blood sugar but also improves the hormonal environment associated with glucose metabolism.
Recognition in the Global Scientific Community
The findings were published in the international peer-reviewed journal Medicine, further validating red ginseng’s place in the scientific discussion around functional foods and diabetes prevention.
According to Dr. Seung-Ho Lee, Director of the Natural Product Efficacy Research Lab at KGC, “We have scientifically confirmed that red ginseng can safely and effectively regulate blood sugar in pre-diabetic individuals without adverse effects. It is the first functional food recognized by the Korean Ministry of Food and Drug Safety for its proven effectiveness across nine key glycemic indicators.”