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Insulin - Post Prandial

Insulin - Post Prandial

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The Insulin Post-Prandial test, also known as two-hour postprandial/two-hour PPG sugar test, is done to detect diabetes. In diabetes, the body does not make enough insulin to keep your blood sugar in check. This leads to elevated blood sugar levels, and leads to serious health problems including heart, nerve, kidney, and eye damage.

The insulin test is performed if you have symptoms like sweating, hunger, palpitations, blurred vision, and fainting. No standard reference range has yet been established for Insulin-post prandial levels in the Indian population, therefore the same could not be provided along with the test. The levels are increased in obesity and type II diabetes and decreased in the case of untreated type 1 diabetes mellitus and hypopituitarism.

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What does Insulin - Post Prandial measure?

The insulin postprandial test measures the levels of sugar in the blood after two hours of having food. If a person has diabetes, it means the body is not able to make sufficient insulin to keep blood sugar in check. This can lead to high sugar levels in the blood which can further lead to serious health problems such as eye and nerve damage. 

This test tells how the body gives a response to sugar and starch after ingestion of a meal.  As the food is digested in the stomach, the levels of blood sugar rise high. In response, the pancreas releases insulin so that the sugar is transferred from the blood to the cells of muscles and other tissues where it can be used as fuel. Ideally, within two hours of intake of a meal, the insulin and blood glucose levels should return to normal. In case, the blood glucose still remains high, there are chances that the person might have diabetes.


FAQs related to Insulin - Post Prandial

The symptoms of diabetes include frequent urination, unusual thirst, blurred vision, tiredness, repeated infections, and slow healing of sores.
The other tests include fasting blood glucose test, HbA1c or glycosylated hemoglobin test, and glucose tolerance test.
The increased levels of insulin postprandial are seen in case of insulinoma, type II diabetics, infantile hypoglycemia, hyperinsulinism, obesity, cushing’s syndrome, intake of oral contraceptives, acromegaly, and hyperthyroidism. The decreased levels of insulin postprandial are seen in case of untreated type I diabetes mellitus.
Factors such as smoking during the test period, extreme stress, eating a snack or candy after meal or before the test, not eating the entire meal, and exercise during the test period can affect the results of insulin postprandial test.
The healthcare provider takes a blood sample from the arm. The site from where the blood is to be withdrawn is cleaned with a swab of rubbing alcohol. This is then followed by inserting a small needle which has a tube attached to it for collecting blood. Once the sufficient blood for analysis is withdrawn, the needle is removed. The site is then covered with a gauze pad.
As such there is no risk but in few cases, bruising, bleeding, and infection at the puncture site can be seen. In very few cases, there can be swelling of the vein after the blood is withdrawn.
Content created by
Written by:
Dr. Lipika Khurana
BDS, PGDHHM
Reviewed by:
Dr. Swati Gupta (Anand)
MBBS, MD Lab Medicine
Want to know moreRead our editorial policy
Last Updated9th Feb 2026

Insulin - Post Prandial test price for other cities

Price inAhmedabadRs. 449
Price inAllahabadRs. 449
Price inBangaloreRs. 449
Price inBhopalRs. 449
Price inChandigarhRs. 449

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Insulin - Post Prandial