Tests
25-OH Vitamin D
The main circulating form of vitamin D and the standard measure of vitamin D status.
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Tests
The main circulating form of vitamin D and the standard measure of vitamin D status.
Tests
The determination of the ratio of alpha-tocopherol compared with the total vitamin E in a sample. The measurement may be expressed as a ratio or percentage.
Tests
A celiac disease screening is a blood test that looks for signs that you may have celiac disease , an autoimmune disorder that causes a serious allergic reaction to gluten. Gluten is a protein found in wheat, barley, rye and other grains. It may also be found in other products like vitamins and supplements , hair and skin products, toothpaste, and lip balm.
Tests
A cholesterol test is a blood test that measures the amount of cholesterol and triglycerides (a type of fat) in your blood. Cholesterol is a waxy, fat-like substance that's found in your blood and every cell of your body. Your body needs some cholesterol to make hormones , vitamin D , and substances that help you digest foods.
Tests
This test measures the amount of chymotrypsin in a stool (poop) sample. Chymotrypsin is an enzyme, a protein that speeds up certain chemical reactions in your body. It is released by your pancreas (an organ behind your stomach) to help break down the protein in your food during digestion. If your pancreas is working as it should, there will be some chymotrypsin in your stool sample.
Tests
A determination of the total added vitamin E in a nutritional product or meal, or a portion thereof.
Tests
A determination of the total vitamin A in a nutritional product or meal, or a portion thereof.
Tests
A determination of the vitamin E in a nutritional product or meal, or a portion thereof.
Tests
A homocysteine test measures the amount of homocysteine in a sample of your blood. Homocysteine is an amino acid. Amino acids are molecules that your body uses to make proteins.
Tests
This test measures the amount of methylmalonic acid (MMA) in your blood or urine. MMA is a substance made in small amounts when you digest protein. MMA is needed for metabolism, which is the process that your body uses to change food into energy.
Tests
A prealbumin blood test measures prealbumin levels in your blood. Prealbumin is a protein that's made in your liver and is found in your blood. Prealbumin is used to make other proteins and helps carry thyroid hormones and vitamin A through your bloodstream. It also helps control how your body uses energy.
Tests
A clotting test measuring the extrinsic pathway, standardised internationally as INR to monitor vitamin K antagonist therapy and assess bleeding risk.