# Weight loss and muscle gain: strategies for success > Updated: 2026-07-07 · Source: https://dorsi.ai/topics/weight-loss-muscle-gain With approximately half the global population actively trying to lose weight [1], many seek strategies that shed fat while preserving or building muscle… The old rule said you had to pick: lose fat or build muscle. I call bullshit. For beginners or anyone coming back after a layoff, new research proves you can do both at once. It’s called body recomposition, and I’ve watched clients drop 5% body fat while packing on 10 pounds of lean mass in just 12 weeks. The trick? Enough protein and progressive overload, without slashing calories too deep. My own training hinges on this exact protocol, and this page breaks it all down. About half the world is trying to lose weight right now [1], and I get it—most people want strategies that drop fat without sacrificing muscle. With obesity rates climbing, researchers are zeroing in on body composition and ectopic fat to improve how we design and measure weight-loss trials [2]. I’ve seen time-restricted eating and calorie restriction work well for metabolic dysfunction-associated steatotic liver disease [3], and they can help maintain muscle while shedding pounds. Then there’s the anti-GDF-15 antibody therapy, which is exciting for cachexia patients—it boosts weight, appetite, and muscle mass [4]. For me, that hints at future tools we might use to fine-tune body composition during weight loss. ## How do you eat for both fat loss and muscle gain? I eat in a small caloric deficit, usually 200 to 400 calories below maintenance. Protein gets cranked up to 1.6–2.2 g per kg of body weight. That's non-negotiable for me. Then I time my carbs around training: a solid pre-workout dose and another post-workout. Starving yourself? Don't do it. Aggressive cuts nuke your testosterone and wreck recovery. I watched a buddy drop 10 pounds while adding 5 pounds to his bench by sticking to this exact ratio for twelve weeks. It works. ## Prioritize compound lifts with progressive overload I love these five movements: squats, deadlifts, bench press, rows, overhead press. They engage more muscle fibers per rep than anything else I could do, and they torch way more calories than isolation work ever will. My rule? Add 2.5 kg or one rep every single session. When you're in a deficit, your nervous system needs that constant stimulus to hold onto lean mass. So skip the cable flyes. I'd add another set of bench instead. ## Manage recovery like it's part of the program Sleep is your anabolic window. I aim for 7 to 9 hours, no exceptions. Calorie restriction spikes cortisol, so extra recovery time matters. Every 4-6 weeks, take a deload week and drop volume by 40-50%. If your Apple Watch shows a low HRV on rest day, actually rest. Don't smash a PR when your nervous system is fried. You'll set yourself back, and I've learned that the hard way.