Experience the power of Origin Stim-Free Pre-Workout. A hard-hitting no-nonsense formula, packed with optimal doses of research-backed ingredients, and zero caffeine.

We’ve refined our powerful pre-workout blend by removing caffeine to create a fully charged, stimulant-free solution, designed for you to make the most out of every session. Cut the caffeine, ignite your workout. 

Performance Advisory Board

Bringing together world-class scientists, doctors, and athletes to shape innovation at Myprotein — combining cutting-edge research with real-world testing to create solutions that actually deliver, for everybody. Find out more about our Performance Advisory Board.

• Stim-free
• 8.0g of L-citrulline DL-malate
• 3.5g beta alanine

For those who train late at night or simply prefer to avoid caffeine, Origin Stim-Free Pre-Workout will help extract the most from every session, without interrupting your sleep schedule.

Plus, we’ve added a whole host of popular and highly researched ingredients, including 8g of citrulline malate, 3.5g of beta alanine, 4g of L-arginine alpha-ketoglutarate, 250mg of L-tyrosine and 200mg of choline.

Stim-free through choice. Original through dedication. 

Mix 20g (approx. 2 scoops) with 300ml of water and consume 30 minutes before your workout. Consume once daily. Powder settles over time, we recommend weighing for the most accurate measure. IMPORTANT INFORMATION: Store in a cool, dry place away from direct sunlight. Do not exceed the stated recommended daily dose. This product should not be used as a substitute for a varied, balanced diet and a healthy lifestyle. Keep out of the reach of young children. Suitable for vegetarians and vegans. WARNING: Choking hazard. This product contains a silica gel sachet not suitable for human consumption. If the sachet is split or damaged discard product.

L-Citrulline DL-Malate 2:1, L-Arginine Alpha-Ketoglutarate, Beta-Alanine, Natural Flavouring, Acids (Citric Acid, Tartaric Acid), Choline Bitartrate, L-Tyrosine, Acidity Regulator (Trisodium Citrate), AntiCaking Agent (Silicon Dioxide), Maltodextrin, Curcuma Oil Extract, Sweetener (Sucralose), Spirulina Extract. ALLERGEN INFORMATION: Produced in a facility which also handles milk.

L-Citrulline DL-Malate 2:1, L-Arginine Alpha-Ketoglutarate, Beta-Alanine, Maltodextrin, Natural Mango and Orange Flavouring, Acids (Citric Acid, Malic Acid), Choline Bitartrate, Anti-Caking Agent (Silicon Dioxide), L-Tyrosine, Sweeteners (Sucralose, Acesulfame K), Acidity Regulator (Trisodium Citrate), Colours (Carotenes, Beetroot Red). ALLERGEN INFORMATION: Produced in a facility which also handles milk.