Phosphorus vs Selenium
Evidence-based comparison of Phosphorus and Selenium — absorption, dosage, safety, and which is best for your needs.
Selenium
Thyroid support: Supports thyroid hormone production and conversion; Immune modulation: Regulates innate and adaptive im
Full GuideDetailed Comparison
| Phosphorus | Selenium | |
|---|---|---|
| Category | Mineral | Mineral |
| Mechanism | Bone mineralization: Supports bone density and mineral deposition | Thyroid support: Supports thyroid hormone production and conversion; Immune modulation: Regulates innate and adaptive im |
| Safety | High phosphorus intakes seldom cause problems in healthy people. However, you shouldn’t get more phosphorus than the upper limits from food, beverag | Yes, if you get too much selenium over time. Brazil nuts, for example, contain very high amounts of selenium (68–91 mcg per nut) and can cause you t |
Which Should You Choose?
Phosphorus may be better if: Bone mineralization: Supports bone density and mineral deposition
Selenium may be better if: Thyroid support: Supports thyroid hormone production and conversion; Immune modulation: Regulates innate and adaptive immune responses; Antioxidant ac