They are too restrictive.
Yes, I understand the Energy Balance equation and the concept of Caloric Deficit for weight loss. However, many people actually need to eat more (of the right mixture of foods) in order to lose weight, or, many people restrict too extremely (10-20% is really all you need, IF you’re eating properly).
Too much restriction can lead to a myriad of problems, such as ‘yo-yo’ dieting, inability to maintain, and be happy.
Over the next few days, I’ll be posting the Top 10. Stay tuned!