Table 1

Summary of the trial

	At enrolment	Randomisation	After allocation
Time point	At enrolment	Start	Week 6	Week 12	Week 13	Week 18	Week 24
Enrolment
Eligibility screen	+
Informed consent	+
Maturity stage (the criteria of Tanner)	+			+			+
Randomisation		+
Product dispensation		+	+
Interventions (week 0–week 12)		+	+	+
Follow-up (week 13–week 24)					+	+	+
Assessments
Anthropometry	+	+	+	+		+	+
Body composition (DXA measurement)	+				+
3-day food record	+			+			+
Dietitian's assessment	+			+			+
Physical activity assessment	+			+
Lipids and fasting plasma glucose	+			+			+
Blood pressure measurement	+		+	+		+	+
Return of unused study products			+	+
Adverse events		+	+	+

DXA, dual-energy X-ray absorption.