Train Hard. Burn Fat. Keep Your Muscle. Most "cutting pre-workouts" are just regular pre-workouts with a different label. Transparent Labs LEAN Pre-Workout is different — it’s an evidence-based formula specifically engineered for fat loss phases, delivering clinical doses of ergogenic ingredients that enhance performance in the gym while actively supporting your body composition goals. Every ingredient is chosen based on scientific research. Every dose is disclosed. And like all Transparent Labs formulas, LEAN contains zero artificial sweeteners, colors, or flavors. What LEAN Pre-Workout Does Supports Fat Loss — Acetyl-L-Carnitine and Choline Bitartrate support fat metabolism and help your body utilize stored fat as fuel during training Enhances Muscle Pumps & Blood Flow — Clinically dosed nitric oxide boosters drive blood flow to working muscles from the very first scoop Clean Energy & Endurance — PurCaf® organic caffeine and Theobromine deliver sustained, crash-free energy to power through even the most demanding sessions Sharpens Focus & Drive — Nootropic stack keeps you mentally locked in so you can train with intensity even in a caloric deficit Preserves Lean Muscle — Ergogenic aids support strength and performance retention during cutting phases when muscle loss is a real risk Key Features Fully transparent label — every ingredient and dose disclosed, no proprietary blends Informed Choice Certified — third-party tested for purity, potency, and banned substance safety Naturally sweetened with Stevia — no artificial sweeteners, colors, or added sugars 8 flavors — Strawberry Lemonade, Fruit Punch, Blue Raspberry, Tropical Punch, Cherry Limeade, Sour Grape, Watermelon, Orange Who it’s for: Athletes and gym-goers in a cutting phase who want to maintain performance, protect muscle, and accelerate fat loss — without sacrificing the quality of their training.