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Registered Nutritionist in New York

6 Foods and Drinks to Avoid If You Want to Lose Belly Fat

While marketed as healthy alternatives, many “sugar-free” or “diet” products contain artificial sweeteners such as aspartame or sucralose. Some studies suggest that these sweeteners may still trigger insulin response, disrupt gut health, and increase cravings for sweet foods—leading to higher overall calorie intake.

In addition, many low-fat or sugar-free snacks are high in refined carbs and additives that can still contribute to weight gain.

Briana's Tip: Focus on whole, naturally sweet foods like berries, apples, or dates. If you need a sugar substitute, consider natural alternatives like monk fruit or stevia in moderation.

1. Refined Carbohydrates

Highly processed carbs are stripped of their natural fiber and nutrients. These include:

  • White bread
  • White rice
  • Pastries and baked goods
  • Crackers and chips

Refined carbohydrates are quickly digested, leading to rapid blood sugar spikes followed by crashes, which increase hunger and promote overeating. These blood sugar fluctuations, combined with low satiety, make it easy to consume more calories than needed—especially around the midsection. Additionally, high intake of refined carbs has been associated with increased inflammation, a known contributor to visceral fat (fat stored around the organs).

Briana's Tip: Replace refined carbs with whole grains like quinoa, oats, brown rice, and sprouted bread. These high-fiber options help regulate blood sugar and keep you feeling full longer.

2. Sugary Beverages

One of the fastest ways to sabotage fat loss—especially around the belly—is by consuming sugary drinks such as:

  • Soda
  • Sweetened teas
  • Flavored coffee drinks
  • Energy drinks
  • Fruit punches and juice cocktails

These drinks are loaded with added sugars but provide no real nutrition. Because liquid calories don’t provide satiety the way solid foods do, they often lead to excess calorie consumption without curbing hunger. Additionally, research shows sugary beverages are linked to insulin resistance, type 2 diabetes, and increased abdominal fat.

Briana's Tip: Choose unsweetened herbal tea, sparkling water, or water infused with fruits like lemon or berries for a refreshing, belly-friendly alternative.

3. Fried Foods

Foods deep-fried in unhealthy oils, such as:

  • French fries
  • Fried chicken
  • Mozzarella sticks
  • Donuts

...can contribute significantly to belly fat due to their high levels of trans fats and calories. Trans fats have been shown to promote inflammation, worsen cholesterol levels, and increase the risk of central obesity. Fried foods are also calorie-dense, which can easily lead to weight gain when consumed regularly.

Briana's Tip: Instead of frying, try baking, grilling, or air-frying foods with a light coating of olive oil and your favorite seasonings.

4. Alcohol

Although moderate alcohol intake may be part of a balanced lifestyle, regular or excessive drinking is a known barrier to belly fat loss. Alcohol contributes to:

  • Empty calories with little nutritional value
  • Increased appetite and poor food choices
  • Interrupted sleep, which affects fat metabolism
  • Hormonal imbalances, including elevated cortisol levels

In particular, poor sleep and elevated stress hormones caused by alcohol can worsen belly fat accumulation. Studies also link alcohol intake to liver fat buildup, making overall fat loss even more difficult.

Briana's Tip: Limit alcohol to special occasions, and when you do indulge, choose lower-calorie options like dry wine or spirits with soda water—always staying mindful of portion sizes.

5. Artificial Sweeteners & “Diet” Foods

While marketed as healthy alternatives, many “sugar-free” or “diet” products contain artificial sweeteners such as aspartame or sucralose. Some studies suggest that these sweeteners may still trigger insulin response, disrupt gut health, and increase cravings for sweet foods—leading to higher overall calorie intake.

In addition, many low-fat or sugar-free snacks are high in refined carbs and additives that can still contribute to weight gain.

Briana's Tip: Focus on whole, naturally sweet foods like berries, apples, or dates. If you need a sugar substitute, consider natural alternatives like monk fruit or stevia in moderation.

6. Ultra-Processed Foods

Packaged, processed foods are often high in:

  • Refined flour
  • Added sugars
  • Sodium
  • Artificial preservatives and colors

These foods—including snack cakes, frozen dinners, and most fast food—can contribute to inflammation, digestive issues, and unwanted fat gain, especially around the waist. Studies have shown that diets high in ultra-processed foods are associated with a greater risk of obesity and chronic disease.

Briana's Tip: Build your meals with whole foods: vegetables, lean proteins, whole grains, and healthy fats. Preparing meals at home gives you control over ingredients and portion sizes.

What to Eat Instead

Rather than obsessing over what to avoid, focus on nourishing your body with foods that fuel your metabolism and promote fat loss, such as:

  • Lean protein: chicken, turkey, tofu, eggs, legumes
  • Healthy fats: avocado, olive oil, nuts, seeds
  • Fiber-rich foods: leafy greens, berries, oats, beans
  • Hydrating beverages: water, herbal teas, broths
  • Anti-inflammatory foods: turmeric, ginger, garlic, green tea

Working with a professional like Briana Gelfand, Nutritionist at BrianaNutrition.com, can help you create a balanced and realistic eating plan that aligns with your lifestyle and goals.

Frequently Asked Questions

What is the most effective way to lose belly fat?

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A combination of reducing refined carbs, added sugars, and processed foods—while increasing protein, fiber, and physical activity—has proven effective. Consistency and lifestyle changes are key.

Do I have to cut out all carbs to lose belly fat?

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No. Carbs are essential for energy and health. Focus on complex carbs like oats, quinoa, and vegetables rather than refined, sugary sources.

Can stress affect belly fat?

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Yes. High levels of cortisol (a stress hormone) have been linked to abdominal fat storage. Managing stress through sleep, mindfulness, and regular exercise can support fat loss.

Is it okay to drink alcohol while trying to lose weight?

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Occasional moderate drinking may be fine, but regular or excessive alcohol can hinder fat loss. Choose lighter options and drink mindfully.

Do I need to count calories?

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Not necessarily. While calorie awareness can be helpful, focusing on nutrient-dense, whole foods often naturally leads to reduced calorie intake without strict tracking.

How soon will I see results after changing my diet?

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Every body is different. Some people notice changes within weeks, while others may take longer. The key is to focus on sustainable habits and long-term improvements.