The current study proposes to investigate the impact of a low glycaemic index (GI), fortified toddlers milkpowder on mood, behaviour and cognitive function in young children.

The current study proposes to investigate the impact of a low GI, fortified toddlers milkpowder on mood, behaviour and cognitive function in young children. In choosing the tests it should be remembered that the investigators looking for short-term changes in functioning, such as the ability to sustain attention or improved mood. As such the investigators are not looking for measures of general cognitive functioning, stage of development or general behaviour but rather measures that are capable of monitoring changes from hour to hour or day to day.

Inclusion Criteria:

• The sample will consist of only Malay children, an equal number of boys and girls, and whose parents have consent to the child participating in this trial.

Exclusion Criteria:

• they will be excluded if underweight (BMI for age < 2 S.D.);
• overweight (BMI for age > 2 S.D.;
• have any chronic or serious illness or are currently not feeling well / taking medication;
• have a history of allergy (particularly to milk), thyroid disease or diabetes mellitus.

Children currently part of an iron/zinc supplementation programme will be excluded as will any who are still being breast fed as there is no intention to discourage breastfeeding