Jolly Time Healthy Pop is 94 percent fat free. Pop Secret recently debuted 100 Calorie Pop, a size that contains only 100 calories. Newman's Own contains zero trans fats, and Smart Balance popcorn has no hydrogenated fat, no trans fat, low sodium and a patented oil blend to help improve good to bad cholesterol ratios. All microwave popcorn manufacturers are rolling out mini-bags, or individual serving sizes for calorie watchers.