If I had to start from zero and get my body in shape again at 45,...

I'd use my diet to burn fat.
I'd find some form of cardio I enjoy for my brain, heart, lungs, and energy levels.
3. I would focus on key movements like the squat, deadlifting, bench, pull up, row, overhead press, lunges, hip thrusts, carries
4. I’d use a variety of rep ranges between 6-20 reps and a variety of rep systems (rest pause, myo-reps, drop sets) to build muscle.
6. If possible, I'd get at least an hour of sun exposure on my body each day. If I can't, I'd supplement with Vitamin D.
8. When thinking about calories I would focus more on the value per calorie.
Example: Alcohol has zero value per calorie. Striploin steak has a high value per calorie due to protein and nutrients.
10. I’d get 80-90% of my foods from whole nutrient dense sources and 10-20% from fun sources. Yes this means foods that contain sugar and seed oils.
12. I would use the theory of constraints and focus on the problems that move the needle the fastest ie. binge eating at night, cheat weekends, etc.
14. I'd drink water before and after my meals to enhance fullness.
16. I would adopt a 20 minute rule once a meal is finished. It takes about 20 minutes for your body to know if it’s full or not. It will take longer if you eat fast.
18. I would set a long time horizon with the focus is on sustainability because you want to get in shape once and keep it there.
20. I would find a tribe of friends who value being in good health. You are who you hang around.
22. Supplements I’d take would be creatine, omega 3’s, vitamin D (sun), l-carnitine, curcumin, black seed oil, psyllium husk, and of course whey protein.
24. When I eat out I won’t treat it like the last meal I’m ever going to eat. Be responsible.
26. Lastly, I would enjoy the process. I would look at these as things I'm adding to my lifestyle than things I need to do to lose weight.
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