People with High Bl00d Sugar Should Avoid Certain Foods—Watermelon? Doctor: These Are 4 Foods You Really Shouldn’t Eat


Disclaimer: This article is based on credible medical information and personal observations. It aims to share health knowledge in an accessible way. It contains no fictional content or sensationalism. If you’re feeling unwell, please consult a doctor in person.

Managing High Blood Sugar: Foods Diabetics Should Truly Watch Out For

Living with high blood sugar or diabetes brings constant dietary challenges. While many people focus on avoiding sugary treats, some foods that seem harmless—or even healthy—can actually cause serious spikes in blood glucose.

During a recent consultation, a patient asked, “Doctor, can I really not eat watermelon?” The doctor explained that while watermelon is high in sugar, it’s usually safe in moderation and offers hydration and nutrients. However, he warned that some seemingly innocent foods are far more dangerous for blood sugar control than most realize.

It’s Not Just About Sugar

Managing diabetes isn’t just about avoiding candy or desserts. Many everyday foods can be deceptively harmful if not consumed carefully. The following four foods are often overlooked but can significantly disrupt blood sugar stability:

1. Puffed Rice Cakes: High GI, Low Benefit

Often marketed as healthy snacks, puffed rice cakes are a hidden threat for diabetics. While they’re low in calories, their glycemic index (GI) is extremely high. The puffing process breaks down rice into rapidly digestible carbs, causing quick blood sugar spikes.

Research shows that even brown rice-based products can have a GI over 70—well above the recommended <55 for diabetics. These fluctuations can increase the risk of complications, including cardiovascular issues.

2. Candied Fruits: Sugar Traps in Disguise

Candied fruits may look like a better alternative to sweets, but they’re loaded with added sugar. Even fresh fruit requires portion control due to natural sugars—candied fruits are even worse.

Some processed varieties contain over 80g of sugar per 100g, far exceeding the daily limit for diabetics. Many also include high-fructose corn syrup and additives that worsen insulin resistance and glycemic control. Overconsumption can seriously hinder diabetes management.

3. French Fries: A Fried Danger

Popular and convenient, French fries are a common indulgence—but a poor choice for anyone managing blood sugar. They’re deep-fried, high in fat, and made from starchy potatoes that convert to glucose quickly.

Worse, reused frying oil and saturated fats interfere with blood sugar regulation and heart health. Regularly eating fries can contribute to weight gain, poor lipid levels, and worsened insulin sensitivity.

4. Frozen Dumplings: Processed and Problematic

Frozen dumplings are often seen as an easy meal solution. But they usually contain refined flour, unhealthy fats, preservatives, and lots of salt. The refined starch leads to quick glucose absorption, and the additives can disrupt digestion and metabolism.

For diabetics, these processed foods raise red flags due to their combination of high GI carbs and artificial ingredients. Regular consumption can significantly complicate blood sugar control.

So, What’s the Takeaway?

While fruits like watermelon can usually be enjoyed in moderation, puffed rice cakes, candied fruits, French fries, and frozen dumplings pose real risks for people managing diabetes. These foods can cause dangerous blood sugar spikes and make treatment less effective.

A well-balanced diabetic diet should focus on:

Low-GI foods

High fiber content

Minimally processed ingredients

Staying mindful of hidden sugars and refined starches can make a huge difference in overall health and quality of life for those living with diabetes.

Important Note: This article is for informational purposes only. If you have symptoms or health concerns, seek medical advice from a qualified professional.