Any protein-rich, low-calorie pre-meal drink works on a similar principle: a glass of water with a squeeze of lemon, a small protein shake, or a cup of broth all use the same fullness logic.
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See the Full BreakdownOther Pre-Meal Options
At a Glance
- A glass of water alone, the simplest version of the same idea
- A small whey or plant protein shake
- A cup of broth or bouillon
- Vegan swap: agar-agar, see our dedicated guide
Quick Take
All of these lean on the same two levers as the gelatin trick: protein and fluid volume before a meal.
Picking the Right One for You
The main trade-off across options is protein completeness versus cost and convenience. Protein powder is the most complete but priciest, bone broth takes the most effort, and plain gelatin sits in the middle: cheap, fast, and good enough for the appetite effect this whole category of habit is built around.
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