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Stim Free Pre Workout - Sour Grape
Discover Transparent Labs’ Stim Free Pre Workout – Sour Grape: a caffeine-free blend with betaine, potassium, and calcium to support your training, focus, and muscle function.
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Buy now, pay later from £14.37/mo with
Free UK shipping over £50, free returns.
Key Benefits
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Start strong with a 100% caffeine-free formula.
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Betaine supports normal homocysteine metabolism for your routine.
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Potassium and calcium help maintain normal muscle function.
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Potassium also supports the normal functioning of your nervous system.
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Enjoy a pre-workout boost without the need for stimulants.
Fuel your workout with confidence—no caffeine required. Transparent Labs’ Stim Free Pre Workout – Sour Grape is crafted for those who want to train hard, stay focused, and keep their routine stimulant-free. Whether you’re sensitive to caffeine or just cycling off, this blend is designed to fit your goals.
Each scoop delivers over 23 grams of active ingredients, including betaine, potassium, and calcium. Betaine contributes to normal homocysteine metabolism, while potassium and calcium help support normal muscle function—so you can keep moving, rep after rep.
What's inside?
Citrulline Malate 2:1, 8000mg: Part of the active blend to complement your training.
Beta-Alanine 4000mg: Included to support your workout routine.
BetaPure Betaine Anhydrous, 2500mg: Contributes to normal homocysteine metabolism.
Taurine, 1300mg: Included as part of the active blend.
L-tyrosine 1000mg: Included as part of the active blend.
Transparent Labs creates science-backed supplements to optimise health and performance. Each formula delivers clinically effective doses with natural ingredients—free from artificial additives, fillers, or hidden blends. Plus, all their products undego rigorous testing so you get pure, potent, and effective supplements to support your health and fitness goals.
Founded in 2015, Transparent Labs was established by John Williams to set a new standard in supplement quality. The brand remains dedicated to research-driven, high-quality formulations with honest labelling, ensuring individuals seeking optimal wellness have access to supplements they can trust.
With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.
Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.
Sodium (as Himalavan Pink Salt), Potassium (as Potassium Chloride), Citrulline Malate 2:1, Beta-Alanine, BetaPure™ Betaine Anhydrous, Taurine, L-Tyrosine, elevATP (Ancient Peat; Apple Extract), Senactiv (Panax notoginseng, Rosa roxburghi), Bioperine (Black Pepper (Fruit) Extract), Huperzine A, Natural Flavors (1,606mg), Stevia Extract (450mg), Silicon Dioxide (310mg), Calcium Silicate (310mg).
Shipping
At Healf, we prioritize safe and fast delivery for all our customers. Our carefully selected couriers are Royal Mail and DPD.
UK standard delivery
Enjoy free standard delivery on orders above £50, this option usually requires 2-3 working days. If your order is under £50, this delivery option is available for £3.99.
Next working day
For when you need our products urgently, we offer next working day shipping for £5.99. For orders placed before 12.00, we will ship it the same day to ensure you receive your order the next working day.
International
International deliveries can take 7 working days, and up to 4 weeks. The cost is £22.99 for orders below £50, £49.95 for orders above.
Returns
If for any reason you are not satisfied with your order, we provide free 365-day UK returns for all our customers. To initiate your return, simply contact us at team@healf.com, and we'll send you a return slip and help arrange a collection. The item you return must be sent in the same condition as received and inside the original packaging. Once received, we will notify you via email.
For international returns, we unfortunately do not cover the cost. However, we work with an array of carriers and can offer self-posting returns for customers shopping from outside the UK.
Mix 6-8 fl. oz of water with 1/2 scoop 20-30 minutes before training to assess tolerance. For a more intense session, mix 12-16 fl. oz of water with 1 full scoop.
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Every product undergoes our Healf Curation Process. With it, you can shop confidently knowing that every item has been tried and tested before it reaches you. Our Healf Curation Process includes three key steps: Brand Discovery, Expert Validation, and Community Testing. Through these, we assess quality, ingredients, effectiveness, and more, ensuring that every product empowers your wellbeing.
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We love people who check ingredients as carefully as we do, so you'll find detailed information about the ingredients used on every product page (where applicable). If you see something you'd like to flag with us or have additional questions, please don't hesitate to get in touch—we'd love to hear from you.
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