Explore our database of over 4000 laboratory markers.
Search and Understand 4000+ Biomarkers
Optimal range: 0 - 600 µmol/g Crea
LEARN MOREOptimal range: 0 - 3 ELISA Index
Associated with:
• Ulcerative Colitis
• Colon Autoimmunity
• Inflammatory Bowel Disease
Tropomyosin is a cytoskeletal microfilamental protein that regulates actin mechanics. Tropomyosin plays an important role in muscle contraction. Tropomyosin, along with the troponin complex, works with actin in muscle fibers and manages muscle contraction by regulating the binding of myosin. Tropomyosin isoforms are involved in the stabilization of actin filaments, intracellular organelle movement, cell-shape maintenance and cytokinesis.
Optimal range: 0 - 0.06 ng/mL , 0 - 60 ng/L
Troponin proteins are released when the heart muscle has been damaged, such as occurs with a heart attack. The more damage there is to the heart, the greater the amount of troponin T and I there will be in the blood.
Optimal range: 0 - 13 ng/liter
Troponin T, High Sensitivity (hs-TnT) is an independent prognostic marker that aids in the diagnosis of myocardial infarction (MI) in an acute setting (>22 ng/L for males and >14 ng/L for females), and there is literature supporting its use to assess relative risk for cardiovascular disease (CVD) and adverse cardiovascular events (≥6 ng/L for males and females).
Optimal range: 0.1 - 2.4 ELISA Index
LEARN MOREOptimal range: 169 - 773 ng/mL
Trypsin is an enzyme made in the pancreas that helps digest protein foods. In pancreatitis, trypsin levels increase in the blood. The trypsin test is the most accurate test for acute pancreatitis.
Optimal range: 0.2 - 0.9 umol/g
LEARN MOREOptimal range: 2.2 - 13.2 ug/L
Tryptase is an enzyme that is released, along with histamine and other chemicals, from mast cells when they are activated as part of a normal immune response as well as in allergic (hypersensitivity) responses.
Optimal range: 0 - 10.99 mcg/L
Tryptase is an enzyme that is released, along with histamine and other chemicals, from mast cells when they are activated as part of a normal immune response as well as in allergic (hypersensitivity) responses.
Optimal range: 30 - 100 µmol/g Crea
Tryptophan is an essential amino acid and the biochemical foundation for serotonin, melatonin, and NAD+ production, linking mood regulation, sleep, immune function, and energy metabolism. On the Neurotransmitter XL panel, it provides insight into how effectively the body converts nutrients into neurotransmitters and cellular energy. Low tryptophan levels—or diversion of tryptophan toward the kynurenine pathway during stress or inflammation—can lead to reduced serotonin and melatonin, resulting in low mood, fatigue, and poor sleep, while also generating neurotoxic metabolites that impair mitochondrial function. Because its metabolism depends on cofactors such as vitamin B6, folate, B12, niacin, iron, and BH4, deficiencies or chronic stress can disrupt tryptophan’s conversion pathways. Interpreted alongside serotonin, kynurenine, NAD+, and neopterin, tryptophan levels offer a window into the biochemical balance between emotional health, inflammation, and mitochondrial energy efficiency.
Optimal range: 1 - 207.5 umol/g Cr
Tryptophan is involved in serotonin production via vitamin B6-dependent pathways resulting in the intermediate 5-hydroxytryptophan (5-HTP). 5-HTP is often used as a supplement for serotonin formation instead of tryptophan, which can be quickly metabolized in other pathways.
Serotonin is further metabolized to melatonin via methylation.
Because of these downstream conversions, therapeutic administration of 5-HTP has been shown to be effective for depression, fibromyalgia, binge eating associated with obesity, chronic headaches, and insomnia.
Optimal range: 2.65 - 6.67 qmol/dL
Tryptophan is involved in serotonin production via vitamin B6-dependent pathways resulting in the intermediate 5-hydroxytryptophan (5-HTP).
5-HTP is often used as a supplement for serotonin formation instead of tryptophan, which can be quickly metabolized in other pathways. Serotonin is further metabolized to melatonin via methylation. Because of these downstream conversions, therapeutic administration of 5-HTP has been shown to be effective for depression, fibromyalgia, binge eating associated with obesity, chronic headaches, and insomnia.
Optimal range: 3.2 - 8.1 ug/mg CR
Tryptophan is involved in serotonin production via vitamin B6-dependent pathways resulting in the intermediate 5-hydroxytryptophan (5-HTP).
5-HTP is often used as a supplement for serotonin formation instead of tryptophan, which can be quickly metabolized in other pathways. Serotonin is further metabolized to melatonin via methylation. Because of these downstream conversions, therapeutic administration of 5-HTP has been shown to be effective for depression, fibromyalgia, binge eating associated with obesity, chronic headaches, and insomnia.
Optimal range: 2.65 - 6.67 Units
Tryptophan is involved in serotonin production via vitamin B6-dependent pathways resulting in the intermediate 5-hydroxytryptophan (5-HTP). 5-HTP is often used as a supplement for serotonin formation instead of tryptophan, which can be quickly metabolized in other pathways.
Serotonin is further metabolized to melatonin via methylation.
Because of these downstream conversions, therapeutic administration of 5-HTP has been shown to be effective for depression, fibromyalgia, binge eating associated with obesity, chronic headaches, and insomnia.
Optimal range: 8 - 58 micromol/g creatinine
Tryptophan is involved in serotonin production via vitamin B6-dependent pathways resulting in the intermediate 5-hydroxytryptophan (5-HTP).
5-HTP is often used as a supplement for serotonin formation instead of tryptophan, which can be quickly metabolized in other pathways. Serotonin is further metabolized to melatonin via methylation. Because of these downstream conversions, therapeutic administration of 5-HTP has been shown to be effective for depression, fibromyalgia, binge eating associated with obesity, chronic headaches, and insomnia.
Optimal range: 40 - 91 umol/L
Tryptophan is involved in serotonin production via vitamin B6-dependent pathways resulting in the intermediate 5-hydroxytryptophan (5-HTP).
5-HTP is often used as a supplement for serotonin formation instead of tryptophan, which can be quickly metabolized in other pathways. Serotonin is further metabolized to melatonin via methylation. Because of these downstream conversions, therapeutic administration of 5-HTP has been shown to be effective for depression, fibromyalgia, binge eating associated with obesity, chronic headaches, and insomnia.
Optimal range: 25 - 140 qmol/24 hours
LEARN MOREOptimal range: 20 - 93 qM/g creatinine
Tryptophan is involved in serotonin production via vitamin B6-dependent pathways resulting in the intermediate 5-hydroxytryptophan (5-HTP).
5-HTP is often used as a supplement for serotonin formation instead of tryptophan, which can be quickly metabolized in other pathways. Serotonin is further metabolized to melatonin via methylation. Because of these downstream conversions, therapeutic administration of 5-HTP has been shown to be effective for depression, fibromyalgia, binge eating associated with obesity, chronic headaches, and insomnia.