The Cravings Are Not Forever
What "Willpower" Gets Wrong About Eating Clean
There's a phrase I hear constantly, and every time I do, it tells me something about how deeply this misconception runs.
"Wow, you have a lot of willpower. I could never do that."
It usually comes up when someone finds out I eat a clean, low-carb diet (Paleo, Keto, Carnivore, etc.)—or when a client watching someone else's progress assumes that person is white-knuckling their way through every meal, heroically battling cravings on sheer resolve alone.
I understand why it looks that way from the outside. But the assumption underneath it—that eating clean means perpetually fighting your appetite—isn't accurate. And I think it's actually keeping a lot of people from even trying.
It's Not About Willpower. It's About What's Running the Show.
Here's what I think most people don't realize: cravings aren't just a matter of mental discipline. They're largely biological—and they're heavily influenced by what you've been eating.
What we eat shapes the makeup of our gut microbiome, the vast ecosystem of bacteria living in the digestive tract. When the diet is built around ultra-processed, inflammatory, high-carb foods, it creates conditions where certain opportunistic bacteria thrive and proliferate beyond their normal levels. Those bacteria, when overgrown, can do something that sounds almost science fiction but is increasingly well-supported: they influence the brain. They drive cravings—not for what your body actually needs, but for what keeps them fed.
In a very real sense, bacterial overgrowth can hijack the appetite. The cravings you're experiencing may not be entirely yours.
This is why willpower framing misses the point. It puts the burden entirely on the individual's mental strength when the actual issue is a biological environment that's working against them. You're not weak; you may just be fighting a battle on the wrong front.
What Happens When You Change the Input
The part I want people to hear—especially those who've tried to eat clean before and felt like they were constantly losing the fight—is this: when the diet changes, the biology follows.
Shifting to a low-carb, low-inflammation, nutrient-dense eating pattern starves out the overgrown bacteria that were driving the cravings. As those bacteria die off and the gut microbiome rebalances, the cravings start to quiet down. Blood sugar stabilizes, insulin levels normalize, and markers of inflammation—things like hs-CRP—begin to improve. The body starts working with you instead of against you.
I've witnessed this across hundreds of patients. It's not theoretical for me—it's something I see reflected in real metrics and real conversations on a regular basis.
The Transition Is Real. So Is What's on the Other Side.
I want to be honest about something, because I think glossing over it does people a disservice: the transition can be rough.
In the early days of a dietary change, cravings can actually intensify before they ease. This is the part where most people conclude that clean eating isn't for them—that they've tried it and they just don't have what it takes. But what's actually happening during that window is a kind of biological negotiation. The bacteria that have been running the show do not go gentle into that good night. I think of it as their rallying battle cry—a last push before they die off.
It's temporary. In my experience, it typically takes about one to two weeks of consistent clean eating before people start feeling a meaningful shift. That's not a long time in the context of a health transformation, but it can feel like an eternity when you're in the middle of it.
Knowing that the difficulty is a phase—not a permanent condition—changes how you relate to it.
Diet Is the Starting Point, Not the Whole Picture
Food is the most logical place to start, but it's worth knowing it isn't the only lever. Sleep quality, sunlight exposure, movement, stress levels, and even practices like gratitude all play a role in modulating the gut microbiome and, by extension, cravings and appetite. The lifestyle factors are interconnected in ways that make early wins in one area easier to build on in others.
That said, diet tends to create the most immediate and measurable momentum. Change what you eat, and you start a snowball—one that the other lifestyle changes can build on over time.
The Takeaway
You won't have to fight your appetite forever. The people who've been eating clean for years and seem unbothered by cravings aren't superhuman. They're on the other side of a transition you haven't made yet.
The grass really is greener over there. The hard part is trusting that the fence is crossable—and that what feels like an uphill battle right now is actually just a phase with a finish line.
You don't need infinite willpower. You need about two weeks of commitment and the understanding that the difficulty you feel early on is a sign that something is changing—not a sign that you're failing.
Rance Edwards is a National Board Certified Health and Wellness Coach (NBC-HWC) with over 2,000 clinical hours of experience, specializing in chronic disease management and lifestyle medicine.
