Why People Quit Carnivore (and What the Ones Who Stay Do Differently)

Kasey, the YouTuber better known to a few hundred thousand subscribers as Vegetable Police, spent a long stretch eating nothing but meat on camera. Then he filmed himself walking it back. He said he couldn't digest much of anything without fibre, described the all-fat meals as a liquid feeling moving through him, and pointed to a rash that started on his forehead and crept down his body. His energy, he said, was just not good. Two weeks after adding plants back in, he reported the rash clearing and some days feeling so good he didn't know what to do with himself. That is his experience, not a verdict on the diet, but it is a common shape of story.

Dave Asprey tells a different version of the same arc. He ate close to all-meat for about three months while building his own diet. The first month felt great. Then his sleep tracker showed him waking ten to twelve times a night without realising it, he picked up brain fog he hadn't had before, and he decided strict carnivore wasn't something he wanted to hold permanently. He now talks about cycling in and out of it rather than living there.

Notice what neither man is saying. Almost nobody who quits says the diet did nothing. The honest quit story is usually some version of: it worked, then something broke, and I didn't know how to fix it. If you understand the places where it tends to break, you can decide in advance whether you'll push through or walk away. That is the whole point of this piece.

Where people actually fall off

The first two weeks feel like the flu

The early adaptation is the first cliff. Headaches, fatigue, foggy thinking and sugar cravings show up as the body shifts off carbohydrate, and most people describe days three to five as the low point. The community calls this the carnivore flu, which is borrowed language rather than a medical diagnosis, but the experience is real enough that plenty of people quit right here, reading the discomfort as proof the diet is wrong when it is mostly the transition. The people who get through it almost all say the same thing in hindsight: salt and electrolytes, and don't judge anything from inside the first fortnight.

The plateau after the honeymoon

The second cliff comes later, after the early wins. The scale stops moving, energy dips for a week, stools go loose, and any of it can get read as failure. Billy Poon, who writes about this for the carnivore community, makes a sharp point: the symptoms that make people quit are often the fixable ones (salt, sleep, stress, hidden extras), and the panic decision happens at night when a scary forum thread lands at the wrong moment. His blunt line is that social friction breaks more people than biology does.

Eating alone gets old

That social friction is its own cliff. A wedding, a work lunch, a family dinner where you're the person who can't touch most of the table. Restrictive eating quietly isolates people, and the monotony compounds it. There are only so many nights you can be excited about the same ribeye before the diet starts feeling like a sentence. None of this shows up on a blood panel, and it is one of the most common reasons people drift off.

It costs money and effort

And then there is the bill. A meat-heavy grocery run is not cheap, and good results lean on actually cooking rather than grabbing something. For a lot of people the quitting isn't dramatic at all. It is a busy month, a tight budget, and a slow slide back to whatever is easy.

What the ones who stay do differently

The long-haulers aren't tougher, mostly. They've just built habits that defuse those four cliffs before they hit.

They troubleshoot instead of taking a verdict

When something feels off, the people who last don't quit, they debug. The version that gets passed around the forums is a one-variable rule: change a single thing, give it a clean seven days, and watch sleep, energy and cravings rather than only the scale. More salt for a week. An earlier dinner for a week. Cutting the dairy you snuck back in. It turns a vague I feel bad, this isn't working into a list of things to test, and most of the early wobbles turn out to be on that list.

They plan around the social stuff

Stayers tend to handle the dinner-table problem on purpose instead of pretending it away. They eat before the event, they pick the steakhouse, they get comfortable with a short honest answer and move the conversation on. The people who quit over social friction usually never had a plan for it. The people who stay treated it as a logistics problem, not a willpower one.

They make their version livable

This is the quiet one. A lot of people who have eaten this way for years are not on the strict, beef-salt-and-water version at all. They keep eggs, they keep dairy, they keep the cuts they actually enjoy, and that flexibility is precisely why they're still here. Asprey landing on cycling in and out is the same instinct. The purists you see online are loud, but the people who last are often the ones who quietly built something they can repeat forever, not a test of endurance.

They give it a real runway

Almost everyone who's glad they stuck with it committed to a real window up front, usually thirty to ninety days, and refused to re-litigate the decision daily. The constant should-I-keep-doing-this is its own kind of exhausting. Deciding once and then just collecting data for a few weeks is a large part of why some people make it past the cliffs at all.

What the evidence can and can't tell us

The largest snapshot we have is a 2021 survey of 2,029 adults who self-reported eating carnivore. The median time on the diet was 14 months, which tells you a meaningful number of people do sustain it well past the hard early weeks, and the survey recorded a low rate of adverse symptoms among that group. But read it honestly: it only sampled people who were still doing it and chose to answer, so it can't tell you how many started and quietly fell off, and self-reported data carries its own well-documented limits. We do not have good long-term dropout numbers, and we do not have long randomised trials. Anyone selling you certainty in either direction is ahead of the evidence.

The honest takeaway

Quitting is not automatically failure. For some people, like Kasey, stepping off and feeling better is simply the right read of their own body, and that's allowed. The useful framing isn't pass or fail. It's this: most people who quit hit a predictable cliff at a predictable moment and didn't have a move ready. If you know the cliffs are coming, decide in advance whether yours is a problem to troubleshoot or a genuine sign to stop, and judge it from outside the first two weeks. That alone separates most of the people who walk away from most of the people who stay.