Clen is not good for anyone except asthmatics, and occasional use. Not weeks of daily use. It is dangerous. Ephedrine is better,add phenbuterol and that is great for weight loss. Does not seem this woman needs to loose weight as max pointed out. Anavar is good for a woman who has been weight training for 6months -1 year, but is is not helpfull in any way for endurance training. It may actually be detrimental to her training.
Again as max stated sarms GW would be great for her. A sarms stack would be good if she has a certain goal to accomplish