Effects of school-based physical activity and multi-micronutrient supplementation intervention on growth, health and well-being of schoolchildren in three African countries: the KaziAfya cluster randomised controlled trial protocol with a 2 × 2 factorial design

Table 1 Composition of the multi-micronutrient supplement

No.	Nutrient	Average per 1 tablet
1	β-carotene (as BetTab 20%S)	3.6 mg
2	Vitamin D	400 IU/10 mcg
3	Vitamin E	9 mg TE
4	Vitamin K	30 mcg
5	Vitamin C	60 mg
6	Vitamin B1 Thiamine	1.1 mg
7	Vitamin B2 Riboflavin	1.3 mg
8	Vitamin B6 Pyriodoxine	0.5 mg
9	Vitamin B12	1.2 mcg
10	Folic acid	200 mcg
11	Niacinamide	8 mg
12	Iron (added as Fe-EDTA)	8 mg
13	Zinc (added as zinc oxide)	5 mg
14	Selenium (added as sodium selenite anhydrous)	20 mcg
15	Iodine (added as potassium iodate)	100 mcg

Notes. Ingredients 1–15 are nutrients and will be produced with an overage to ensure required amounts during the shelf life
Inactive ingredients: sugar, citric acid, sorbitol, non-nutritive sweetener, flavour
Placebo tablets do not contain nutrients, but colorants will be added
Dosage and directions: one tablet daily during the first school lesson
The tablets will be stored in a climate-controlled storage room at the respective research institution and will be provided to school on a fortnightly basis. At school, the tablets will be stored in locked cupboards in the teachers’ room

ISSN: 1745-6215