GLOSSARY

Dietary Phosphorus refers to this substance supplied by foods and drinks, with food composition and form influencing usable amounts.

Meat, dairy, legumes, nuts and grains contain phosphorus, and some foods include phosphate additives. Availability differs: plant phytate-bound phosphorus is generally less accessible than additive phosphate. A high phosphorus content alone does not determine food quality. In kidney disease, source and additives deserve particular attention, with restrictions guided by clinical assessment rather than a universal ban on nutritious protein foods.

Phosphorus contributes to bone, nucleic acids, phospholipids and energy-transfer molecules, commonly reacting as phosphate. Its place in ATP does not mean phosphate supplies calories or guarantees more energy from supplements. Athletes need energy and many nutrients for metabolism. A key pathway component is not automatically the limiting factor for performance; assess overall adequacy and the actual reason for considering supplementation.

Absorption depends on chemical form, serving amount, the food matrix, body needs and gastrointestinal function. A percentage measured for one product under study conditions is not a fixed value for every person and meal. Label quantity describes intake. Practical decisions also consider digestive tolerance, elemental amount and outcome evidence, rather than a high-absorption marketing statement alone.