Iced coffee contains a good amount of water and can be a part of a healthy diet. However, not all iced coffee is created equal. The amount of sugar, caffeine, and other added ingredients can make this beverage less healthy if consumed improperly.

Adding excessive sugar and toppings

An iced coffee can quickly become a high-calorie drink with the addition of excessive sugar, condensed milk, whipped cream, syrups, or toppings. According to Eatingwell, too much added sugar not only increases calorie intake but can also lead to overweight, obesity, and metabolic diseases if consumed over time.

If you drink iced coffee regularly, opt for low-sugar varieties, limit fatty creams, or request less sugar when ordering.

An iced coffee cup can contain varying amounts of sugar and caffeine depending on preparation and ingredients. Photo: Thuy Vi

Replacing water with iced coffee

Because iced coffee contains water, many people believe it can adequately hydrate the body. However, according to Verywell Health, this beverage cannot fully replace plain water, and consuming too much caffeine can cause unwanted effects. Caffeine has a mild diuretic effect in some individuals, especially when consumed in large amounts or by those unaccustomed to coffee. Experts recommend drinking enough plain water throughout the day to meet fluid needs, support circulation, regulate body temperature, and aid metabolic activities.

Drinking too late in the day

Iced coffee often feels more refreshing than hot coffee, leading many to order an additional glass in the afternoon or evening to combat drowsiness. However, caffeine can remain in the body for hours after consumption, affecting sleep quality.

According to Healthline, even if you can fall asleep, late caffeine intake can reduce deep sleep, preventing full body recovery. If you frequently experience insomnia or difficulty sleeping, avoid coffee within about 6-8 hours before bedtime.

Consuming too much overall

A large-sized coffee can equal two regular servings, often unnoticed by the drinker. Experts advise healthy adults to limit total caffeine intake to about 400 mg (equivalent to 3-4 cups) daily. If you frequently choose large sizes, consider reducing the size or limiting other caffeine sources throughout the day.

Drinking on an empty stomach

Not everyone experiences issues when drinking coffee on an empty stomach, but for some, this habit can cause stomach discomfort, increased stomach acid secretion, or heightened feelings of restlessness. Individuals who frequently feel unwell after drinking coffee should consume it with breakfast or a light meal rich in protein and fiber to reduce gastrointestinal irritation and maintain stable energy levels.

Bao Bao (Compiled)