Mineral

Phosphorus

Also known as: Phosphate, P

Evidence

Essential mineral for bone health, energy metabolism (ATP), and cell membrane structure. Second most abundant mineral in the body.

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Daily target & upper limit

1250 mg / day · UL 4000 mg

Phosphorus has an established daily reference intake. See best forms, label synonyms, upper-limit warnings, and top-scoring supplements:

Phosphorus dosage reference →

Primary uses

Bone and teeth health
Energy metabolism (ATP)
Cell membrane structure
pH balance

How it works

Component of hydroxyapatite in bones and teeth
Forms ATP for cellular energy
Component of phospholipid cell membranes
Buffers blood pH

Dosage

Typical range: 700-1250 mg daily RDA
Timing: With meals
With food: Best absorbed with food
Duration: Safe long-term at recommended doses
Special populations: Kidney disease patients should limit intake

Forms

Phosphate salts
Calcium phosphate

Safety

Common side effects

Diarrhea at high doses

Contraindications

Kidney disease (monitor closely)

Products containing Phosphorus

Top-scoring supplements in our catalog that list Phosphorus on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

Thorne

Women's Multi 50+

Complement

Daily Greens by Complement

Nootropics Depot

Alcohol Defense Capsule

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Evidence notes

Well-established essential nutrient

Grade A: Multiple well-designed human trials support the main claims.

Related in Mineral

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.