| Source Element | Usage | Target |
| NutritionProduct | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-NutritionProduct |
| NutritionProduct.id | UseExtensionFromAncestor | - |
| NutritionProduct.meta | UseExtensionFromAncestor | - |
| NutritionProduct.implicitRules | UseExtensionFromAncestor | - |
| NutritionProduct.language | UseExtensionFromAncestor | - |
| NutritionProduct.text | UseExtensionFromAncestor | - |
| NutritionProduct.contained | UseExtensionFromAncestor | - |
| NutritionProduct.extension | UseExtensionFromAncestor | - |
| NutritionProduct.modifierExtension | UseExtensionFromAncestor | - |
| NutritionProduct.code | UseExtensionFromAncestor | - |
| NutritionProduct.status | UseExtensionFromAncestor | - |
| NutritionProduct.category | UseExtensionFromAncestor | - |
| NutritionProduct.manufacturer | UseExtensionFromAncestor | - |
| NutritionProduct.nutrient | UseExtensionFromAncestor | - |
| NutritionProduct.nutrient.id | UseExtensionFromAncestor | - |
| NutritionProduct.nutrient.extension | UseExtensionFromAncestor | - |
| NutritionProduct.nutrient.modifierExtension | UseExtensionFromAncestor | - |
| NutritionProduct.nutrient.item | UseExtensionFromAncestor | - |
| NutritionProduct.nutrient.amount | UseExtensionFromAncestor | - |
| NutritionProduct.ingredient | UseExtensionFromAncestor | - |
| NutritionProduct.ingredient.id | UseExtensionFromAncestor | - |
| NutritionProduct.ingredient.extension | UseExtensionFromAncestor | - |
| NutritionProduct.ingredient.modifierExtension | UseExtensionFromAncestor | - |
| NutritionProduct.ingredient.item | UseExtensionFromAncestor | - |
| NutritionProduct.ingredient.amount | UseExtensionFromAncestor | - |
| NutritionProduct.knownAllergen | UseExtensionFromAncestor | - |
| NutritionProduct.characteristic | UseExtensionFromAncestor | - |
| NutritionProduct.characteristic.id | UseExtensionFromAncestor | - |
| NutritionProduct.characteristic.extension | UseExtensionFromAncestor | - |
| NutritionProduct.characteristic.modifierExtension | UseExtensionFromAncestor | - |
| NutritionProduct.characteristic.type | UseExtensionFromAncestor | - |
| NutritionProduct.characteristic.value[x] | UseExtensionFromAncestor | - |
| NutritionProduct.instance | UseExtensionFromAncestor | - |
| NutritionProduct.instance.id | UseExtensionFromAncestor | - |
| NutritionProduct.instance.extension | UseExtensionFromAncestor | - |
| NutritionProduct.instance.modifierExtension | UseExtensionFromAncestor | - |
| NutritionProduct.instance.quantity | UseExtensionFromAncestor | - |
| NutritionProduct.instance.identifier | UseExtensionFromAncestor | - |
| NutritionProduct.instance.name | UseExtensionFromAncestor | - |
| NutritionProduct.instance.lotNumber | UseExtensionFromAncestor | - |
| NutritionProduct.instance.expiry | UseExtensionFromAncestor | - |
| NutritionProduct.instance.useBy | UseExtensionFromAncestor | - |
| NutritionProduct.instance.biologicalSourceEvent | UseExtensionFromAncestor | - |
| NutritionProduct.note | UseExtensionFromAncestor | - |