Doctor's Assessment Included
Every result includes a professional assessment from a BIG-registered doctor. For treatment decisions, discuss your results with your GP.
Phosphorus
Phosphorus works with calcium to maintain bone strength, which is especially important during pregnancy, breastfeeding, and menopause.
What It Measures
This test measures the level of inorganic phosphate in your blood. It helps evaluate bone health, kidney function, and parathyroid activity.
Why It Matters
Phosphorus is essential for energy storage and transfer (as ATP), bone mineralisation, and DNA synthesis. Imbalances may be associated with bone disorders, kidney disease, or hormonal conditions. Consult your healthcare provider for guidance.
When to Test
Testing may be recommended alongside calcium testing, or if you have kidney disease, bone disorders, parathyroid conditions, or symptoms of mineral imbalance.
Symptoms
Low Levels
Symptoms of low phosphorus may include bone pain, weakness, loss of appetite, numbness, and difficulty breathing. Severe deficiency can affect bone integrity.
High Levels
High phosphorus is often linked to kidney disease and may cause itching, joint pain, muscle cramps, and calcium deposits in soft tissues. Medical evaluation is recommended.
Lifestyle Tips
Phosphorus is widely available in foods such as dairy, meat, fish, nuts, and beans. Most people obtain adequate phosphorus through diet. If you have kidney concerns, your healthcare provider may advise monitoring phosphorus intake.
Frequently Asked Questions
How are phosphorus and calcium related?
Phosphorus and calcium work together to build and maintain bones. Their levels are regulated by parathyroid hormone and vitamin D. An imbalance in one often affects the other.
Can kidney disease affect phosphorus levels?
Yes, the kidneys regulate phosphorus excretion. When kidney function declines, phosphorus may accumulate in the blood. Your healthcare provider can advise on management.
Is phosphorus in processed foods a concern?
Phosphorus additives in processed foods are absorbed more readily than natural phosphorus. Excessive intake from processed foods may be a concern for those with kidney conditions. Consult your healthcare provider.