Belly fat has become a common concern today. Many people follow strict diets, work out regularly, and even cut down on sweets—yet the stubborn belly refuses to go away. According to doctors associated with Harvard University, the problem isn’t just about calories. Belly fat is closely linked to diet quality, hormonal balance, gut health, sleep, and overall lifestyle.

If you’re struggling with abdominal fat, this guide can help. Here’s what to eat, what to avoid, and how small dietary changes can make a big difference over time—based on insights shared by Saurabh Sethi.

Why does belly fat increase?

Dr. Sethi explains that belly fat often results from poor food combinations, frequent intake of sugary drinks, refined and processed foods, and inadequate sleep. These factors disrupt metabolism and hormones, leading to fat storage around the abdomen. He adds that reducing belly fat is not just about appearance—it also lowers the risk of insulin resistance, fatty liver, and heart disease.

Foods that help reduce belly fat

According to Dr. Sethi, fruit juice is harmful for belly fat, while whole fruits are beneficial. He especially recommends berries like strawberries and blueberries. Their fiber content slows sugar absorption, helps control blood sugar levels, and supports a healthy metabolism.

Whole grains are another key component. Refined carbohydrates should be avoided, but oats—especially steel-cut oats—are an excellent option. Their high fiber content keeps you full longer and helps control both weight and abdominal fat.

Greek yogurt is also highly recommended. It contains protein and probiotics that improve gut health and reduce frequent hunger. Pairing Greek yogurt with berries makes it even more effective.

Protein-rich foods such as eggs and fatty fish like salmon and sardines are considered especially beneficial. The protein helps maintain muscle mass, while omega-3 fatty acids reduce inflammation and support fat loss.

Foods you should avoid

Dr. Sethi advises staying away from refined carbohydrates such as white bread, pastries, and sugary cereals, as they spike blood sugar levels and promote fat storage. Sugary snacks are particularly harmful and are known to increase visceral (deep belly) fat. He also recommends avoiding ultra-processed foods, especially processed meats, which are linked to increased abdominal fat.

What to drink for belly fat loss

Beverages play an important role too. Black tea and green tea are considered beneficial, as their antioxidants and natural compounds help boost fat metabolism. On the other hand, energy drinks and sugar-loaded beverages are harmful and contribute directly to visceral fat buildup.