Romaine lettuce (green)

Exceptional fullness per calorie — but at only 21 kcal per 100 g, it can't fill you up on its own. Its power is making a meal bigger and more filling at almost no calorie cost; pair it with protein.

Three routes to fullness — one is enough

What pulls it down

Nothing here converges the way engineered food does — no sugar, no savoury and no alcohol penalty.

How scores work ›

Calories

21

Protein

(19%)

1 g

Fat

(3%)

<1 g

Carbohydrates

(78%)

4 g

of which sugar

1 g

Fiber

2 g

Sodium

23 mg

Percentages are the share of calories from each macronutrient.