Been told your ferritin is 'normal' but you still feel exhausted? Here's why the NHS range and what your body actually needs can be two very different things, and what to also check.

Told your blood tests are 'normal' but still feeling far from well? You're not alone.

Many people spend months going back and forth with their GP only to be reassured nothing is wrong - yet they continue to struggle.

Often, the answer lies in the difference between standard blood testing and functional blood testing, and understanding that difference could be genuinely life-changing.