People often use "keto" and "low-carb" as if they mean the same thing. They're related — keto is a type of low-carb diet — but they're not identical. The difference comes down to how few carbs you eat, and whether your body reaches a state called ketosis.
If you're deciding which approach to follow (or just curious what you've actually been doing), here's the plain-language breakdown.
The short answer
- Low-carb simply means eating fewer carbs than the typical diet — usually somewhere between 50 and 150 grams a day. There's no strict target.
- Keto is a stricter, more specific version: very low carb (usually under 20–50 grams a day), high fat, moderate protein — low enough that your body switches to burning fat for fuel (ketosis).
Think of it like this: all keto is low-carb, but not all low-carb is keto.
What is a low-carb diet?
A low-carb diet just means cutting back on carbohydrates — rice, bread, pasta, sugar — and eating more protein and vegetables. How low is up to you. Someone eating 100g of carbs a day is technically low-carb compared to the average person (who eats 250g+), even though they're nowhere near keto.
Low-carb is flexible and easier to start. You can still fit in a little rice, some fruit, or the occasional slice of bread. For many people, simply cutting the obvious carbs is enough to lose weight and feel better.
What is the keto diet?
Keto is low-carb taken to a specific goal: getting into and staying in ketosis. To do that, you keep carbs very low (typically under 20–50g), raise your healthy fat intake, and keep protein moderate. Once your body runs out of easy carb fuel, it starts burning fat — including stored body fat — for energy.
Because it's more precise, keto tends to produce faster, more noticeable results, and many people find the steady energy and reduced hunger a big plus. It just requires more attention to what's on your plate. (New to it? Start with our Keto for Beginners guide.)
Keto vs. low-carb, side by side
| Low-Carb | Keto | |
|---|---|---|
| Daily carbs | ~50–150g | Under 20–50g |
| Fat intake | Moderate | High |
| Ketosis? | Usually not | Yes, that's the goal |
| Strictness | Flexible | More precise |
| Easier to start? | Yes | Takes more planning |
| Speed of results | Gradual | Often faster |
| Can eat some rice/fruit? | In small amounts | Rarely — swaps preferred |
Which one is right for you?
Neither is "better" — it depends on your goals and how much structure you want.
- Choose low-carb if you want a gentler start, more flexibility, or you're happy with slow-and-steady progress.
- Choose keto if you want faster, more visible results, you're dealing with insulin resistance or prediabetes, or you like clear rules to follow.
Many people actually start low-carb, get comfortable, then tighten into keto once they're ready. There's no wrong door — the best diet is the one you can actually stick with.
Let us handle the carb-counting
Meals by Lily delivers keto-friendly meals across Metro Manila — three a day, around 1,200 calories, under 20g carbs. Whether you're going full keto or just cutting carbs, we make it effortless.
See Our Meal Plans