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This simple iron test measures how much iron you have in your blood, as well as the amount of iron you have stored in your body. This iron test can be used to diagnose anaemia or monitor an existing iron deficiency. This iron test can also be used to investigate iron overload syndrome (haemochromatosis) which is an inherited condition where your body cannot remove excess iron.

Red blood cell testing provides a measurement equivocal to intracellular levels, and is therefore more insightful than a regular serum blood test.

This test measures the active form of vitamin D. Vitamin D is obtained from sunlight exposure, dietary sources, or supplements. Vitamin D is converted to 25-hydroxyvitamin D, which is the storage form of vitamin D, which is then converted to the active form 1,25-dihydroxyvitamin D (1,25(OH)2D). Note that the 1,25(OH)2D test is not typically used to diagnose vitamin D deficiency. Instead, the 25(OH)D test is more commonly used for this purpose as it reflects the body's vitamin D status over a longer period of time.

Vitamin D is essential for bone strength as it helps the intestines absorb calcium. Calcium and vitamin D play a critical role in developing and maintaining your overall bone health, and when you don’t get enough you increase your risk of developing osteoporosis and the incidence of stress fractures.

A high Copper to Zinc ratio is believed to cause a range of detrimental health effects including growth and mental abnormalities, increased age degeneration and increase oxidative stress and cardiovascular disease risks.

The fat soluble vitamins are soluble in lipids. These vitamins are usually absorbed in fat globules that travel through the lymphatic system of the small intestines and into the general blood circulation within the body. These fat soluble vitamins are then stored in body tissues.

If too much urate is produced or not enough is excreted, it can accumulate and lead to gout – an inflammation that occurs in joints.