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Stim Free Pre Workout - Blue Raspberry
Transparent Labs’ Stim Free Pre Workout delivers performance support for athletes—no caffeine, just a smart blend of electrolytes and amino acids.
Free sample each month
Pause or cancel anytime
365 day free returns
Buy now, pay later from £14.37/mo with
Free UK shipping over £50, free returns.
Key Benefits
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Feel energised for your workout—completely caffeine free.
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With potassium to support normal muscle function and your nervous system.
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Betaine contributes to normal homocysteine metabolism.
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Includes calcium, needed for the maintenance of normal bones and teeth.
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Generous 13-ingredient blend for your training routine.
Start strong, stay sharp—without the buzz. This non-caffeinated pre-workout from Transparent Labs is designed for those who want to get the most from every session, minus the stimulants.
Each scoop delivers a carefully balanced mix of electrolytes and amino acids, including potassium to support normal muscle function and the nervous system, and betaine to contribute to normal homocysteine metabolism. Calcium is also included, needed for the maintenance of normal bones and teeth.
With over 23 grams per scoop, you get a generous serving packed with 13 active ingredients—ideal for anyone looking to support their training, whether you’re caffeine-sensitive or simply cycling off stimulants.
What’s inside?
Citrulline Malate 2:1, 8000mg: Part of the comprehensive blend for your workout routine.
Beta-Alanine 4000mg: Included to complement your training formula.
BetaPure Betaine Anhydrous, 2500mg: Contributes to normal homocysteine metabolism.
Taurine, 1300mg: Included as part of the balanced formula.
L-tyrosine 1000mg: Included to round out the amino acid profile.
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.
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Frequently asked questions
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.
The Healf Journal offers detailed insights into different aspects of wellbeing, as well as guidance, research, recipes, and more to help you invest in your personal wellbeing journey. You can also subscribe to our weekly newsletters for the latest updates at Healf and in the wellbeing industry. Subscribe via the sign-up block at the bottom of this page.
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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