It consists in the intake, during a period of 10 weeks, of a nutraceutical (natural extract of Sclerocarya birrea). It is a clinical trial, during which certain parameters of the glucidic metabolism will be measured analytically. Other secondary variables such as lipid profile, inflammatory markers, blood pressure, endothelial function and body composition will also be determined.

Inclusion Criteria:

• Age: 18-65 years.

• Diagnosis of prediabetes according to the American Diabetes Association.

  • Altered fasting glucose (95-125 mg / dl).
  • Glucose intolerance (oral glucose tolerance test with glycemia at 2 hours between 140 - 199 mg / dl).
  • Hemoglobin glycated between 5.7 and 6.4%.

• Subjects with body mass index between 18-35 Kg / m2.

• Stable food habits: there is no gain or weight loss of more than 5 kg in the ten weeks.

• I do not consume foods rich in Screrocaria Birrea.

Exclusion Criteria:

• Subjects with a history of any type of liver or kidney pathology.
• Use of medications that may interfere with glucose metabolism.
• Consumption of alcohol greater than 20 g / day.
• History of allergic hypersensitivity or poor tolerance to any component of the products under study.
• Participation in another clinical trial in the three months prior to the study
• Lack of will or inability to comply with clinical trial procedures.
• Pregnancy.