Kidney
5 markers in this category
Creatinine
According to a 2026 review, every day your body converts about 1 to 2% of its creatine store into creatinine, on average 1 to 2 grams a day in adults.
Cystatin C
Cystatin C is especially valuable for older adults, as it provides accurate kidney function assessment regardless of age-related muscle loss.
Microalbumin (Urine)
Microalbumin monitoring becomes increasingly important with age, as kidney function naturally declines over time.
Urea (BUN)
According to the Cleveland Clinic, the liver makes urea, the waste product left when the body breaks down protein from food, and the kidneys filter it out of the blood.
eGFR (Estimated Glomerular Filtration Rate)
Your eGFR value tells you how many millilitres of blood your kidneys filter per minute, and with excess weight a nice high value can be exactly the number to watch. eGFR stands for estimated glomerular filtration rate: not a measurement, but a calculation from your creatinine, a waste product of your muscles, plus your age and your sex.