Performing more repetitions at a higher weight isn't going to change anything, sarcoplasmic hypertrophy and elevated protein synthesis can occur at quite a low percentage of your 1RM.
1. Please show me a study where daily supplementation of 5g a day resulted in the body ceasing to produce creatine. We're not talking about Androgenic Anabolic Steroids and...
Dietary cholesterol has minimal impact upon blood cholesterol. Go get her to ask a Doctor if she wants. Simply eating cholesterol does not raise your cholesterol levels, a high fat diet does.