10 foods under 50 calories. Everyone wants to lose weight and feel fit. Eating lower-calorie foods keep you more energized. Here are 10 foods that are under 50 calories and will benefit you lose weight. If you’re anything like me – especially if you are over 50 – you look for lower calorie foods to consume throughout the day. The key here is to really know what you are putting into your mouth. I have found eating foods – lower in calories – keep me way more energized during the day and I feel full longer. 10 Foods Under 50 Calories 1. Celery The thing I love about celery is…