"Healthy foods for weight loss" usually gets sold as a list of magic ingredients. It isn't one. Weight loss comes down to eating fewer calories than you burn, and some foods make that easier to sustain than others because they fill you up for less.
What actually fills you up
Protein and fibre are the two levers that matter most. A 100g serving of plain yoghurt with a handful of dates has roughly 150-180 calories and keeps hunger away longer than the same calories in white bread, because protein digests slowly and fibre adds bulk without adding much energy. Dates themselves are not a diet food — a single Deglet Noor or Safawi date runs 20-25 calories — but swapping a date or two for a sugary drink or a biscuit cuts empty calories without cutting satisfaction.
Where dates fit into a weight-conscious diet
Dates carry natural sugar plus 1.5-2g of fibre per fruit, so the sugar releases more slowly than a spoon of table sugar would. That doesn't make them a weight-loss food on their own; portion still matters, since 4-5 dates can easily run past 100 calories. Used as a small daily swap rather than an added extra, they're a reasonable choice.
If you're buying in bulk for a household or a small business, check Dates Fruit for current gred and stock, and Harga Kurma for pricing before you order — prices move with the harvest season.
What to skip
The foods that undo a calorie deficit fastest are liquid calories (sweetened drinks, milk-based desserts) because they don't fill you up the way solid food does. Cutting those first, before touching meals, tends to be the change people can actually keep up.