Hi Keith, if your friend is intent on losing weight, and keeping it off, maybe deprivation isn't the answer. This could help her, and she won't necessarily have to go to the gym. Calory counting is not effective. https://www.dietdoctor.com/low-carb/keto

Also, autophagy is a great way of healing the body.https://www.dietdoctor.com/renew-body-fasting-autophagy