Testosterone therapy usually involves more than a testosterone level. Learn which blood tests are commonly used before and during treatment, what they monitor, and how timing affects results.
Starting semaglutide, tirzepatide, or another GLP-1 medication? Learn which blood tests are commonly used, what results can show, and when symptom-driven labs may be needed.
The most common blood tests for keto include blood ketones, lipid panel, glucose/A1C, CMP, and selected kidney, liver, and cardiovascular risk markers. Learn what each test can and cannot tell you.
Vegans commonly discuss tests such as CBC, ferritin, vitamin B12, methylmalonic acid, vitamin D, TSH, CMP, lipid panel, and A1c. Learn what each test can show—and what it cannot.
Athletes often use blood testing to investigate fatigue, iron deficiency, nutrition concerns, recovery problems, and general health. Learn which tests are commonly used and how to interpret them safely.
STI blood tests commonly screen for HIV, syphilis, hepatitis B, hepatitis C, and sometimes herpes—but they do not detect every STI. Learn what each test means, when to test, and when urine or swabs are needed.
Heavy metal blood tests can check lead, mercury, cadmium, arsenic, and other metals—but the right sample depends on the exposure. Learn what blood tests are commonly used and how results are interpreted.
Blood tests can help evaluate malnutrition risk, nutrient deficiencies, anemia, electrolyte problems, inflammation, and refeeding safety—but no single lab value diagnoses malnutrition.
Blood tests can help uncover vitamin D deficiency, calcium and parathyroid problems, thyroid disease, kidney issues, malabsorption, and bone turnover patterns—but they do not replace DXA for osteoporosis evaluation.
Pituitary blood tests help evaluate hormone excess, hormone deficiency, and pituitary-target gland feedback patterns. Learn which tests are commonly used and what results can mean.
