# Nutritional Biochemistry & DRI/RDA Reference Oracle #31 (Fat- & Water-Soluble Vitamins) (`nutrition-biochemistry-oracle-31`)
- **Status**: 200 OK | **Latency**: 1ms | **Cached**: true
- **Primary Authority**: USDA FoodData Central Public Domain Reference
- **License & Trust**: 100% Platform Deterministic Compute / Open Reference (computed_by_platform)
- **Verified At (UTC)**: 2026-10-27T14:59:39.335Z
- **Data Freshness**: cached
## Structured Data
```json
{
  "nutrient_profile_id": 31,
  "classification": "Fat- & Water-Soluble Vitamins",
  "bioavailability_tier": "Moderate (Requires lipid/co-factor)",
  "usda_public_domain_verified": true
}
```
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