"Nutrient-dense" gets thrown around loosely, but with dried fruit it has an actual practical meaning: how much fibre and potassium you get per gram of sugar and calories you take in. Iranian dates aren't all equal on that measure, and most of the difference comes down to moisture.
Piarom, one of the driest and darkest varieties grown in Iran, packs more sugar per gram than Mazafati, which holds noticeably more moisture and has a softer, almost caramel-like bite. A single Piarom can run close to 25 calories; a Mazafati of similar size tends to sit a little lower, simply because more of its weight is water rather than concentrated sugar. Neither is "low calorie" in absolute terms — dried fruit rarely is — but knowing which variety is in front of you changes how many you should count as a serving.
Zahedi sits in between: firmer than Mazafati, less syrupy than Piarom, and often the one people reach for when they want something to chew slowly rather than something that melts fast. For a snack meant to fill a mid-afternoon gap without wrecking a calorie count, three Zahedi or four Mazafati is a more realistic portion than a fistful eaten straight from the box.
Storage time changes the numbers too. A date that has sat too long in a warm warehouse loses moisture and its sugar concentrates further, which quietly raises the calorie count of what looks like the same handful you bought last month. This is one of the practical reasons proper cold storage and a short time-to-shelf matter for imported dates — a batch shipped promptly after harvest isn't nutritionally identical to one that's been sitting around.
If you're comparing Piarom against Mazafati before buying in any quantity, the Iran Date Fruit home page lists current stock by grade, and Kurma Supplier Malaysia is worth checking too for a price comparison. For actual availability and delivery timing, the contact page goes straight through to WhatsApp.