Biomarkers: explore one system at a time

Showing 1161–1180 of 1204 results

• Vitamin C An antioxidant vitamin important for immune function, collagen production, and iron absorption.
• Vitamin D2, 1,25 (OH)2 Measures the active, hormone form of vitamin D made from vitamin D2, reported as part of a total 1,25-dihydroxyvitamin D (calcitriol) result.
• Vitamin D3, 1,25 (OH)2 Measures the active, hormone form of vitamin D made from vitamin D3, reported as part of a total 1,25-dihydroxyvitamin D (calcitriol) result.
• Vitamin E, Alpha-Tocopherol The most active form of vitamin E in the body, an antioxidant that protects cells from damage. Used to assess vitamin E status.
• Vitamin E, Beta Gamma Tocopherol Measures beta- and gamma-tocopherol, forms of vitamin E found mainly in vegetable oils, nuts and seeds, as part of a vitamin E assessment.
• Vitamin E, Gamma-Tocopherol Gamma-tocopherol, a form of vitamin E found in many dietary oils. Measured alongside alpha-tocopherol for a fuller picture of vitamin E status.
• Vitamin K The main dietary form of vitamin K, essential for normal blood clotting and also involved in bone health.
• VKORC1 Genotype Identifies inherited variants in the VKORC1 gene, which affect sensitivity to the blood thinner warfarin; it is a lifelong genetic result.
• VKORC1 Phenotype The predicted sensitivity to warfarin, such as normal or increased, worked out from your VKORC1 genotype result.
• VLDL, Calculated Very-Low-Density Lipoprotein, a cholesterol particle that primarily carries triglycerides. Elevated levels are linked to increased cardiovascular risk.
• VLDL Size Measures the average size of your VLDL particles, used alongside particle number for a more detailed cardiovascular risk assessment.
• Voltage-Gated Calcium Channel (VGCC) Antibody Measures antibodies against P/Q-type voltage-gated calcium channels, used mainly to look into Lambert-Eaton myasthenic syndrome and some paraneoplastic conditions.
• von Willebrand Factor Antigen Measures the amount of von Willebrand factor protein in your plasma, used to look into bleeding problems such as von Willebrand disease.
• Wall Pellitory (w19) IgE Measures IgE antibodies to wall pellitory (Parietaria officinalis) pollen to check for allergic sensitization to this weed with a long pollen season.
• Wall Pellitory (w21) IgE Measures IgE antibodies to wall pellitory (Parietaria judaica) pollen to check for allergic sensitization to this nettle-family weed.
• Walnut (f256) IgE Measures IgE antibodies to walnut to check for allergic sensitization to this tree nut, interpreted alongside any symptoms after eating it.
• Walnut Food (Juglans spp.) IgG4 Measures IgG4 antibodies to walnut, which mainly reflect how often you eat it; their link to food-related symptoms is debated.
• Walnut Tree (t10) IgE
• Watermelon (rf329) IgE Measures IgE antibodies to watermelon to check for allergic sensitization to this fruit, interpreted alongside any symptoms after eating it.
• Western Ragweed (w2) IgE Measures IgE antibodies to western ragweed pollen to check for allergic sensitization to this weed, a cause of late summer and autumn hay fever.