my mom is 45 year old and I really want to help her lose some weight and get in shape . she is pretty busy everyday but have like an hour in the evening for a 30min to 45 min walk and She is on a deficit diet to lose weight so tell me how much dose should I give her and try if she feels better on Cardarine , is it safe to give ? Btw she is over weight and I really would like to help her lose fat .