Try this stack from @blackmarketlabs , For those who dont want a lot of stim,, BUMP is only 80mg caffeine crazy good nootropics, CUTS PUMP is 20,000mg glycerol and 1,500 L Carnitine per cap., You're Lean Sauce L Carnitine Liquid 3,500 mg (Stimulant Free) ANS Performance Dilate Liquid Pump (16oz) Vita Plus USA Muscle Pump No Fat Thermo L Carnitine 1000 mL Muscle Pump No Fat Thermo L Carnitine 100 mL Shot QNT Pump Liquid Pre Workout for Energy, Focus & Strength