What is glucose tolerance factor?
Sarah Smith
Published Jan 17, 2026
Glucose tolerance factor (GTF), the biologically active form of chromium, is an essential dietary agent that potentiates the action of insulin and thereby functions in regulating carbohydrate metabolism.
What does glucose tolerance factor mean?
Glucose Tolerance Factor (GTF) is synthesized in vivo from absorbed dietary chromium, and acts as a physiological enhancer of insulin activity, binding to insulin and potentiating its action about three-fold.
Which mineral is known as glucose tolerance factor?
In laboratory animals chromium deficiency is associated with an increase in blood glucose, cholesterol, and triglyceride concentrations. This observation has led to the investigation of chromium status in humans. The biologically active elemental chromium product is called glucose tolerance factor [117].
How can I increase my glucose tolerance?
Specifically, consuming a healthy diet (high in polyunsaturated fatty acids, monounsaturated fatty acids, fiber, and whole grains), losing weight, quitting smoking, consuming alcohol in moderation, and increasing physical activity can improve glucose tolerance and reduce the risk of T2D.
What is glycemic tolerance?
Glucose tolerance is defined as the ability to dispose of a glucose load, and therefore glucose intolerance is defined as an impaired ability for glucose disposal.
28 related questions foundAre diabetics glucose intolerant?
Glucose intolerance is a term used to describe metabolic conditions that result in higher than normal blood sugar levels. Conditions that fall under the umbrella of glucose intolerance include type 2 diabetes, prediabetes, impaired fasting glucose (IFG), and impaired glucose tolerance (IGT).
How do I know if I have a glucose intolerance?
Glucose intolerance will often be diagnosed by a fasting plasma glucose test or by a glucose tolerance test. A plasma glucose test is when a blood sample is take, usually from your arm, and the blood glucose levels measured.
What is the best diet for glucose intolerance?
Foods to eat
- non-starchy vegetables, such as broccoli, dark leafy greens, and peppers.
- tomatoes, which are an excellent source of vitamins C and E.
- citrus fruits, such as lemons, oranges, and limes.
- high-fiber foods, including beans and lentils.
- some whole grains, such as oats, quinoa, and barley.
Can you reverse glucose intolerance?
A. Yes, it is possible to reverse prediabetes. Prediabetes is a condition that affects millions of Americans. The CDC estimates that as many as one in every three American adults has the condition, which is defined as having blood sugar that is elevated, but not high enough to meet the threshold for diabetes.
How can I increase my glucose tolerance naturally?
Here are 14 natural, science-backed ways to boost your insulin sensitivity.
- Get more sleep. A good night's sleep is important for your health. ...
- Exercise more. ...
- Reduce stress. ...
- Lose a few pounds. ...
- Eat more soluble fiber. ...
- Add more colorful fruit and vegetables to your diet. ...
- Cut down on carbs. ...
- Reduce your intake of added sugars.
Can diabetes cause chromium deficiency?
Symptoms of chromium deficiency may include weight loss, confusion, impaired coordination, and a reduced response to sugar (glucose) in blood, increasing the risk of diabetes.
Can low chromium cause diabetes?
Low chromium levels can increase blood sugar, triglycerides (a type of fat in the blood), cholesterol levels, and increase the risk for a number of conditions, such as diabetes and heart disease.
What happens if you have too much chromium?
There have been some reports of chromium causing occasional irregular heartbeats, sleep disturbances, headaches, mood changes, and allergic reactions. Chromium may increase the risk of kidney or liver damage. If you have kidney or liver disease, do not take chromium without talking to your doctor first.
Is High glucose tolerance good?
A glucose level that is higher than normal may mean you have pre-diabetes or diabetes: A 2-hour value between 140 and 200 mg/dL (7.8 and 11.1 mmol/L) is called impaired glucose tolerance. Your provider may call this pre-diabetes. It means you are at increased risk of developing diabetes over time.
What is the normal range for glucose tolerance test?
gtt normal value
The OGTT normal range for after 2 hour test results is between 140 – 199 mg/dL for pre diabetes, 200 mg/dL or greater for diabetes and greater than 153 mg/dL for gestational diabetes.
How much glucose is in a glucose tolerance test?
The most common glucose tolerance test is the oral glucose tolerance test (OGTT). Before the test begins, a sample of blood will be taken. You will then be asked to drink a liquid containing a certain amount of glucose (usually 75 grams).
What is the healthiest breakfast for a diabetic?
10 Best Breakfast Foods for People with Diabetes
- Eggs. Eggs are delicious, versatile, and a great breakfast choice for people with diabetes. ...
- Greek yogurt with berries. ...
- Overnight chia seed pudding. ...
- Oatmeal. ...
- Multigrain avocado toast. ...
- Low carb smoothies. ...
- Wheat bran cereal. ...
- Cottage cheese, fruit, and nut bowl.
What foods to avoid if you are prediabetic?
Foods to avoid
- Refined grains. Refined grains like white bread, pasta, and rice are high in carbs but low in fiber, which can increase blood sugar levels more quickly than their whole grain counterparts. ...
- Sugar-sweetened beverages. ...
- Fried foods. ...
- Alcohol. ...
- Breakfast cereal. ...
- Candy. ...
- Processed meats. ...
- Fruit juice.
What is the difference between diabetes and glucose intolerance?
Glucose intolerance (GI) can be defined as dysglycemia that comprises both prediabetes and diabetes. It includes the conditions of impaired fasting glucose (IFG) and impaired glucose tolerance (IGT) and diabetes mellitus (DM).
What foods increase sugar levels?
In general, foods that cause blood sugar level to rise the most are those that are high in carbohydrates, which are quickly converted into energy, such as rice, bread, fruits and sugar. Next are foods high in protein, such as meats, fish eggs, milk and dairy products, and oily foods.
How can I lower my glucose intolerance?
Glucose intolerance treatment
- Eat a healthy diet. Food such as red meats and sugar-sweetened drinks are associated with an increased risk of type 2 diabetes. ...
- Increase physical activity. The CDC shows that exercise helps control your blood sugar levels. ...
- Maintain a healthy BMI. ...
- Reduce alcohol intake. ...
- Stop smoking.
How do you feel when your blood sugar is too HIgh?
be very thirsty or hungry. feel drowsy or tired. have blurred vision. feel their mouth is dry.
Is glucose intolerance the same as prediabetes?
Prediabetes is the same as impaired glucose intolerance (IGT) or impaired fasting glucose (IFG). Some people with prediabetes may need medications to help manage their blood glucose levels.
Which food contains chromium?
Chromium is present in many foods, including meats, grain products, fruits, vegetables, nuts, spices, brewer's yeast, beer, and wine. However, chromium amounts in these foods vary widely depending on local soil and water conditions as well as agricultural and manufacturing processes used to produce them [4,7,12,17-20].