Sugar-free Jello with plain yogurt will not drive fat loss on its own, but it can help when it replaces a higher-calorie dessert. With Greek yogurt, it adds protein and fullness, making it a simple, low-calorie option that fits a calorie deficit more easily.
Essential Concepts
Weight loss requires a calorie deficit.
Sugar-free Jello is low calorie, not filling alone.
Greek yogurt adds protein and satiety.
Best used as a replacement, not an add-on.