A1c, HbA1C, or glycated hemoglobin is a blood test which indicates your average level of blood glucose in the last two to three months. It can determine the extent to which the glucose has bound to hemoglobin. Hemoglobin is the protein in red blood cells that carries oxygen. A1C provides a more long-term view as compared to an individual finger-stick glucose level check since red blood cells have a life of approximately 120 days.
Ranges of A1C and Its Importance
A normal A1C is below 5.7%. A level of 5.7 to 6.4% A1C points out prediabetes. This implies that the amount of sugar in the blood is more than usual but not yet in the diabetic level. A1C below 6.5 must be retested unless the symptoms are observed.
The importance of A1C is that glucose in the long-term can cause the damage to the blood vessels and nerves. The cardiovascular diseases, kidney diseases, neuropathy, retinopathy, delayed wound healing and stroke are more likely due to the uncontrolled diabetes. It is approximated that 12 percent of the population of over 40 million people in the US live with diabetes and even worse news is that an estimated 11 million people do not have the slightest idea.
According to the CDC data, 97.6 million U.S. adults were prediabetic in 2021, and not all were aware of this. This is why A1C testing is significant in early diagnosis, particularly in individuals who are obese, have a history of diabetes in their families, hypertension, unusual cholesterol levels, polycystic ovary syndrome or those who have had gestational diabetes.
Type 1 and Type 2 Diabetes
It is important to know that diabetes is of two major types, Type 1 and Type 2. Type 1 is an autoimmune disease whereby the immune system in the body attacks insulin-producing beta cells in the pancreas. This results in minimal or no insulin production thus individuals with Type 1 need permanent insulin treatment. It is a condition that commonly appears in children, or young adults but can arise at any age. Type 2 diabetes is the simpler one; it develops when the body becomes insulin resistant or becomes insulin deficient. It has a close association with lifestyle risk factors that include obesity, physical inactivity and genetics.
How to Improve A1C
Lifestyle changes are often the initial step to improving A1C. Weight loss of even a small portion of the body weight could change the insulin sensitivity, i.e. make the body more efficient in terms of using insulin. Proper diet must emphasize high-fiber foods, low fat proteins, good fat and moderate intake of carbohydrates. Good substitutes of refined bread, sweets, and highly processed snacks are whole grains, beans, vegetables, nuts, fish, and eggs as well as unsweetened dairy.
Another example of the good habit in reducing the level of blood glucose is physical activity. Exercising moderately aids in the uptake of glucose in muscles that employ blood in even diabetic situations. A recommended goal is at least 150 minutes of moderate-intensity physical activity, on average per week, which can be brisk walking or biking or swimming, and strength training as possible. Quality is not as important as consistency.
A1C is also influenced by sleep and stress. Sleeplessness makes one more insulin resistant and long-term stress raises hormones like cortisol and adrenaline, which can elevate the level of blood sugar. To enhance glycemic control, sleep patterns, pattern of the end-of-the-day meals, relaxation, and workloads can assist.
Medical Steps, Test Accuracy and Next Steps
Lifestyle change is inadequate when it comes to a few individuals. Depending on the health picture of a person, doctors prescribe medications, including metformin, GLP-1 receptor agonist, SGLT2, or insulin. The A1C targets are personalized, and within the group of adults with diabetes the goal range is 7% and less; within the group of older adults or with complex health issues, the target can have more safety and can be less strict.
A1C is a good test but accuracy can be influenced by pregnancy, anemia, kidney disease, recent blood loss and a few hemoglobin disorders. This is why fasting plasma glucose, oral glucose tolerance test, or continuous glucose monitoring could also be used by healthcare providers.
The knowledge of your A1C is a clear representation of your health with regard to blood sugar over a long period. More individuals will be able to reduce their A1C and decrease their chances of developing severe complications with early screening, healthy daily routine, medical assistance, and frequent check-ups.
Ready to know your numbers? Book your A1C test today – email appointment@familydiagnosticclinic.com and our team will get you scheduled.