Qualitative composition of the interventions: the dietary supplement, the administered vitamins and minerals solution, and the placebo
| Dietary supplement | Vitamins and minerals | Placebo | |
| Plant extracts | Fruit extract (Malpighia glabra) | ||
| Fruit extracts (Opuntia ficus indica) | |||
| Leaf extract (Ginkgo biloba) | |||
| Leaf extract (Salix alba) | |||
| Root extract (Zingiber officinale) | |||
| Vitamins and minerals | Magnesium citrate | Magnesium citrate | |
| Potassium chloride | Potassium chloride | ||
| Sodium bicarbonate | Sodium bicarbonate | ||
| Zinc citrate | Zinc citrate | ||
| Riboflavin | Riboflavin | ||
| Thiamine hydrochloride | Thiamine hydrochloride | ||
| Folic acid | Folic acid | ||
| Additional compounds | Steviol glycosides | Steviol glycosides | |
| Inulin | Inulin | ||
| Glucose | Glucose | Glucose | |
| Flavour | Flavour | Flavour |
The complete FSMP includes all components, whereas the second intervention omits plant extracts and the placebo solely contains sugar. Additional compounds are only relevant to taste. Each composition contained 7.5 g of powder which was dissolved in 100 mL of water.
FSMP, food for special medical purposes.