Phosphorus is one of the body’s most abundant minerals, partnered with calcium to give bones and teeth their strength and stored largely in the skeleton. Beyond structure, it is woven into the energy currency of every cell, the membranes around them and the DNA within. It is plentiful in protein-rich foods — dairy, meat, fish, eggs, nuts, legumes and wholegrains — and is added to many processed foods, so most people comfortably meet their needs and deficiency is rare. For some, the greater concern is excess, particularly from additives, making moderation the more useful message.
What is Phosphorus?
Phosphorus is a bone-building mineral that plays a critical role in building bone and teeth alongside calcium, storing and releasing cellular energy, and forming DNA and cell membranes. While many general diets overlook it, maintaining optimal levels of Phosphorus is frequently tracked by people working to optimize their Bone mineral density.
Top Foods High in Phosphorus
A data-driven breakdown of the foods with the highest concentration of Phosphorus per 100 g.
| Food | Phosphorus | % DV |
|---|---|---|
| Pumpkin Seeds | 1,150 mg | 92% |
| Sunflower Seeds | 732 mg | 58.6% |
| Parmesan | 694 mg | 55.5% |
| Chia Seeds | 691.3 mg | 55.3% |
| Sesame Seeds | 629 mg | 50.3% |
| Flaxseed | 556.4 mg | 44.5% |
| Cashews | 532.2 mg | 42.6% |
| Black Beans | 522 mg | 41.8% |
| Almonds | 512.1 mg | 41% |
| Pistachios | 499.6 mg | 40% |
| Sardines | 490 mg | 39.2% |
| Cheddar Cheese | 460 mg | 36.8% |
| Oats | 410 mg | 32.8% |
| Peanut Butter | 393.2 mg | 31.5% |
| Lentils | 373.6 mg | 29.9% |
How Phosphorus Impacts Bone mineral density
Research links diets rich in Phosphorus to changes in Bone mineral density. Optimizing intake of these foods can support healthy Bone mineral density levels via combining with calcium to form hydroxyapatite, the crystalline mineral that gives bone its hardness, in a ratio the body keeps tightly balanced.
Written by the Nutrition Encyclopedia team · medically reviewed by Dr. Sunaina Tariq, MBBS
Last updated 22 June 2026
How we source & verify data · Medical disclaimer
Nutrition values are approximations compiled from public food-composition databases (USDA FoodData Central) and are provided for educational purposes only — not medical advice.
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