What it is for
- **Upper-respiratory infections / colds / influenza** (incidence, symptom days) — the 225 mg “immune support” claim.
- **Body weight and fat mass / fat oxidation** (kg lost, % fat, 24-h EE and fat oxidation).
- **LDL-cholesterol** (and total cholesterol) as a cardiometabolic surrogate.
- **Cancer prevention** (incident cancer, or progression of high-grade PIN / mammographic density).
- **Cognition** (memory, attention, MMSE, working memory) in healthy or cognitively impaired adults.