Carnivore nails protein. It doesn't set a deficit. The sprint keeps the steak, drops the fat, adds a caloric target, and gives you a finish line in 3 weeks.
Carnivore dieters often eat plenty of protein — which puts them closer to the FLS profile than most other approaches. But carnivore has no caloric target. Fatty cuts of beef, bacon, and butter are high-calorie, and without tracking, it's easy to eat at or above maintenance on a carnivore diet.
The Fat Loss Sprint keeps what carnivore gets right — high protein from animal sources — and adds caloric precision, a defined sprint duration, mandatory vegetables for micronutrients, and structured refeeds. The result is a more aggressive, more time-limited fat loss tool with a defined endpoint.
| Carnivore Diet | Lipoly Fat Loss Sprint | |
|---|---|---|
| Protein | High | Very high — 2.2–3.0 g/kg LBM, calculated |
| Fat | Very high (fatty cuts encouraged) | Low — 25–30 g/day (essential fat only) |
| Calories | No restriction | Calculated deficit from body composition |
| Vegetables | None | Unlimited non-starchy vegetables |
| Duration | Indefinite | 14–28 days, then mandatory maintenance |
| Defined finish | No | Yes |
| Ketosis | Often present | Yes — protocol-driven |
| Training | Not specified | 2x/week strength — required |
| Science basis | Evolutionary / ancestral | PSMF: 50+ years clinical research |
The key distinction from carnivore: fat content. Carnivore encourages fatty meat; the FLS restricts fat to 25–30 g/day from lean protein sources. This is what drives the deep caloric deficit. Lean chicken breast has ~1.5 g fat per 100 g. Ribeye has ~26 g fat per 100 g. The difference at 200 g of protein per day is enormous.
High protein + resistance training preserves lean mass (Longland et al., 2016; Mettler et al., 2010). The FLS and carnivore share this priority — the FLS executes it with caloric precision.
The Protocol
Your macros, protein target, and sprint length aren't guesses — they're set by the Fat Loss Sprint, a protocol built on 50+ years of clinical research. See how it works, and how it compares to every other diet.
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