Apparently, Many Of Us Start Their Day With The Most Unhealthy Breakfast Combo, And Here’s Why

There’s nothing like a good breakfast. Many would call it the most important meal of the day. But is what you reach for in the morning actually setting you up for success? Or could you be starting your day with what one American health educator has called the “most dangerous meal that you can eat”?

Dr. Eric Berg, a chiropractor with millions of followers online whose TikTok bio states he’s “not a medical doctor,” believes plenty of us are doing exactly that. The culprit? No, it’s not a greasy fry-up or a drive-thru order. It’s a classic combination many of us were raised to believe was good for us, and one he warns could take a real toll on your body if eaten regularly.

Dr. Eric Berg is warning people about what he calls the most dangerous meal you can eat

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And it’s a breakfast staple many people assume is healthy

It’s not “table sugar or seed oils or fried food or even alcohol,” Berg says in his TikTok video. Nope, the combo in question is one you might very well have started your day with this morning: a humble bowl of cereal with a side of good old OJ.

It’s what many of us would call a childhood staple, and Berg admits he grew up on it, too. Nearly a third of American children still eat cereal each morning, according to US Department of Agriculture data reported by The New York Times. That, Berg suggests, is the problem: because so many people eat it, the meal has been “normalized” as a healthy start to the day.

In reality, Berg calls it “a massive fructose overload.” He goes on to point out its sugar, hidden starches, artificial flavorings and colorings, and “zero protein,” calling the meal pairing “the perfect definition of ultra-processed foods.”

“Now your liver has to deal with all that,” he says. “It has to convert it into fat, creating a fatty liver.”

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There’s some science behind his warning

Now, while you might be tempted to take a health warning on TikTok with a pinch of salt, there’s research backing up some of his concerns. For one, ultra-processed food (UPF) isn’t just a social media buzzword. A major review published as three papers in The Lancet in 2025 examined evidence linking diets high in UPFs to a range of health problems, including obesity, type 2 diabetes, heart disease and depression, as well as higher mortality rates.

Many breakfast cereals fall into that category. They’re typically made from refined grains that are cooked, shaped at high temperatures and often sweetened, according to Healthline, and many of the most popular varieties are high in sugar. What’s more, a 2025 study published in JAMA Network Open suggests that some are also becoming less nutritious.

As Andrew Jacobs reported for The New York Times, researchers who analyzed newly launched children’s cereals in the US between 2010 and 2023 found that they contained increasing amounts of sugar, fat, and sodium, while their protein and fiber content had declined.

What makes that especially striking is how cereals are sold. Boxes often carry health claims on the front, such as “whole grain” or “good source of fiber,” yet study co-author Shuoli Zhao told the Times that those claims and the nutrition facts on the back are “going in the opposite direction.” In other words, the part of the box designed to catch your eye may be painting a healthier picture than the label that tells you what’s actually inside.

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Then there’s the juice

But the OJ? That’s just fruit, right, so it must be healthy? Well, not so fast. Cambridge University geneticist Giles Yeo counts it among his pet hates, telling The Telegraph that orange juice “has the same concentration of sugar as a glass of Coke.”

The problem, Yeo explains, is that juicing strips out the fiber, so your body absorbs the sugar “very, very quickly and easily.” Eat a whole orange instead, and its fiber helps slow digestion and keeps you feeling fuller. Juice is also easier to drink in large quantities than whole fruit. Factor in that a single glass can contain the juice of several oranges and, well, the sugar can add up fast.

So sure, pairing a sugary cereal with what Yeo likens to a glass of Coke probably isn’t doing you any favors on the sugar or fiber front. But as Berg points out, there’s something else missing, too: protein. One study compared this exact breakfast combo with eggs and toast, finding that participants who ate the egg-based meal felt less hungry and consumed fewer calories at lunch four hours later.

Whether all this makes it the “most dangerous meal” you can eat is a debate we’ll leave to the experts. But it might just explain why it’s only 10 a.m. and you’ve already eaten your lunch.

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Here’s what Dr. Berg says about this popular breakfast combo

Social media users shared some food for thought

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