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Sunday, 24/5/2026 | 05:02 GMT+7

What happens when you add sugar to coffee every day?

Daily consumption of overly sweet coffee can increase the risk of weight gain, elevated blood sugar, and reduce the inherent health benefits of this beverage.

Coffee is one of the world's most popular beverages, often recognized for its health benefits due to caffeine and antioxidants. However, nutrition experts highlight that the amount of sugar added to each cup makes a significant difference. Here are some potential side effects of regularly drinking sweetened coffee.

Increased calorie intake

Many people consider a few spoonfuls of sugar in coffee insignificant. However, when combined with condensed milk, sweeteners, or heavy cream, calorie intake can quickly escalate.

According to Healthline, some ready-to-drink coffee beverages contain sugar levels equivalent to soda. As liquids, they are often consumed quickly without a noticeable feeling of fullness, leading to an increase in overall energy intake.

Experts also warn on the Health website that regularly adding sugar or sweeteners to coffee can become a source of "hidden calories" daily, especially for those who drink multiple cups.

Elevated blood sugar

According to Verywell Health, sugary drinks are one of the most common sources of added sugar in modern diets. Added sugar causes blood glucose levels to rise rapidly after consumption. Consistent high intake can impair blood sugar control and increase the risk of type 2 diabetes in some individuals.

May diminish coffee's inherent benefits

Drinking black coffee is associated with benefits for cardiovascular, liver, and brain health when consumed in moderation. However, experts believe that adding too much sugar can partially diminish these positive effects. Healthline suggests that coffee's health benefits primarily come from plain coffee, rather than heavily sweetened and creamed varieties.

Fosters a sweet tooth

According to Times of India, once accustomed to heavily sweetened coffee, many people gradually find less sweet or black coffee difficult to drink. This can shift taste preferences towards a dependence on sweetness.

Experts believe this habit not only affects coffee's benefits but can also increase the desire for sweet beverages and high-sugar foods over time.

How much sugar is reasonable?

Nutrition experts recommend gradually reducing sugar intake to preserve coffee's benefits, rather than adding numerous sweeteners, condensed milk, or heavy cream. Small adjustments, such as cutting sugar by one-half or choosing less sweet coffee, can significantly reduce daily added sugar consumption.

Coffee does not have to be entirely sugar-free, but the less sugar added, the more benefits the body receives from this beverage.

Bao Bao (Compiled)

By VnExpress: https://vnexpress.net/dieu-xay-ra-khi-them-duong-vao-ca-phe-moi-ngay-5076597.html
Tags: caffeine beverage sweets sugar coffee

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