Coffee and green tea are often promoted as top choices for weight loss because both are low in calories and easy to fit into a daily routine. They also contain compounds linked to metabolism and energy use, which is why they keep showing up in wellness advice.

Coffee is best known for its caffeine content, which may slightly increase alertness and energy expenditure. That can make it appealing for people trying to stay active or manage appetite. But the effect on weight loss is usually modest, and what gets added to the cup matters. Sugar, flavored syrups and high-calorie creamers can quickly cancel out any benefit.

Green tea is also a low-calorie option and contains caffeine along with plant compounds that are often discussed in weight-management research. It may offer a small edge for some people, especially when replacing sugary drinks, but it is not a fast track to fat loss. Like coffee, its impact appears limited without broader habits such as a balanced diet, regular movement and enough sleep.

For most people, the better choice comes down to preference, tolerance and how the drink is prepared. Black coffee and unsweetened green tea can both support a healthy routine, but research does not show that either one alone drives major weight loss. The bigger advantage is choosing a simple, low-calorie beverage you can enjoy consistently as part of an overall healthy lifestyle.