The objective of the study is to evaluate the glycemic index and glycemic load of 4 chocolate milk drinks.

Subjects will make a total of 5 visits. Four visits where they will drink a chocolate milkshake at each visit. In the other visit they will take glucose, as a comparator product.

Due to the low amount of sugars in the shakes, subjects will drink the equivalent of 25g of glucose.

At each visit subjects will have to come fasting, and samples will be collected at 9 different times.

Inclusion Criteria:

• Subjects of both sexes (10 men and 10 women).
• Subjects aged between 20 and 35 years.
• Subjects with a body mass index between 20 and 25 kg/m2.

Exclusion Criteria:

• Subjects suffering from diabetes mellitus or any chronic disease.
• Subjects with medical problems or a diagnosed psychiatric disorder.
• Subjects with alcohol abuse or excessive alcohol consumption (>3 glasses of wine or beer/day).
• Subjects consuming any pharmacological medication that may affect memory.
• Participation in another clinical trial in the three months prior to the study.
• Unwillingness or inability to comply with clinical trial procedures.
• Subjects whose condition does not make them eligible for the study according to the investigator's criteria.
• Pregnant or lactating women.