Although most yoghurt contains some amount of natural sugar, many brands increase its sugar content with artificial sweeteners. In some brands, up to 50 grams of additional sugar is mixed in every cup of yoghurt. In a person with normally functioning pancreas, the response of having such yoghurt can vary. It may either show a raise in blood glucose level or it can plummet very low due to high level of insulin release. But for diabetics, having such yoghurt would surely spike their blood sugar level due to low insulin production. So, will sweet yoghurt raise glucose level? It depends on the condition of the person.
Consult your doctor regarding the effects of having too much or too little glucose in your bloodstream.
The sugar in your blood known as the blood glucose is the final product of the metabolism of carbohydrates. This glucose flows in your bloodstream, and reacts with insulin released from pancreas to produce molecules of energy called ATP. That is why the brain is so sensitive to the level of blood glucose and reacts to the level of its circulation in the blood. It leads to conditions such as hypoglycaemia, i.e. less than normal blood glucose, and hyperglycaemia, i.e. too much of blood glucose in circulation. This shows the importance of blood sugar control.
Yoghurt with no added sugar has lactose, the simple form of sugar found in all types of dairy products. But the typical yoghurt is sweetened, either with glucose syrup, high-fructose corn syrup, table sugar or fruit purees with high fructose content. The general 150 grams container of yoghurt has 25-40 grams of sugar, which means more than 140 calories.
All these are forms of processed sugar which affect your blood glucose levels significantly after you have consumed them in high to moderate amounts. It would of course depend on your body size, the amount of yoghurt consumed, your general dietary habits, the condition of your pancreas, and the sensitivity of your cells to insulin. Artificial sweeteners used in yoghurts such as aspartame, stevia or sucralose, though not considered very healthy as they have been linked to many side effects, do not affect blood glucose levels. [Read: How to Lower Blood Glucose Levels]
Having a normal cup of sweetened yoghurt boosts blood sugar but the degree of this varies. In diabetics, this would lead to hyperglycaemia, while in non-diabetics, the release of excess insulin after the increase of blood glucose can lead to hypoglycaemia.
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