Irish global nutrition group Glanbia has announced that it has signed an agreement to sell weight management brand SlimFast US to Heartland Food Products Group, a US-based leader in the consumer-packaged goods industry, for an undisclosed sum. The existing Heartland Food Products Group portfolio features Splenda, a zero-calorie sweetener brand offering stevia and monk fruit in powder and liquid form, as well as coffee creamers, nutrition shakes and water enhancers. …