Nutrition at Work: How What You Eat Shapes Your Biomarkers Understanding what we eat is essential for good health, but accurately tracking dietary intake can be tricky. People may forget what they ate, underestimate portion sizes, or unintentionally misreport foods. This is where intake biomarkers come in. These are measurable substances in the body like compounds in blood or urine that give scientists and healthcare professionals objective clues about what we have eaten. By