Effectiveness of Tirzepatide - Age vs Weight

Interesting thoughts or any evidence based clinical information on > if vicenarians (20s) or tricenarians (30s) have more effective results vs quinquagenarians (50s) or sexagenarians (60s). As we age, we naturally lose muscle, have to work harder to remain tone, stay focused, sharp, etc.. for our bodies to function more efficiently. OR does age not matter and if you have more weight to lose, more than 30% body wt vs people with less than 20% bodt wt - tirzepatide is more effective.