There isn’t good evidence that people on the carnivore diet live longer, and there’s no solid long-term lifespan data for carnivore eaters specifically. The best current answer is: we don’t know , but the diet is controversial because it can raise LDL cholesterol and may increase risks tied to long-term heart and gut health.
What the evidence says
- A large survey of people following carnivore diets found many reported short-term improvements, but it did not measure long-term survival.
- A recent review argued the diet may help with short-term muscle gain or weight loss, but is a poor choice if longevity is the goal.
- Public health and medical sources warn that the diet can be low in fiber and may increase chronic disease risk over time.
Practical takeaway
If your question is “How long do people on carnivore live?”, the honest answer is that no one can say reliably yet because there aren’t decades of high- quality studies on it. Some people may do fine for a while, especially if they lose weight or improve blood sugar, but that doesn’t prove the diet improves lifespan.
Bottom line
For longevity, the safest evidence-based view is that a strict carnivore diet has no proven lifespan benefit and may carry risks if followed long term.