Her weight-loss efforts have been successful ... showing off the results after dropping 15 pounds. Subscribe to our 90 Day Fiancé newsletter! Get updates on the latest posts and more from ...

They learned that losing weight sustainably means ditching tough, restrictive diets and grueling workouts that you hate.

Created by dietitian Courtney Kassis, it's touted for weight loss ... she lost 15 pounds in just two months and significantly improved her thyroid function. Key points: The 90-30-50 diet plan ...