PreSeries STIM-FREE is a stimulant-free pre-workout supplement, offering clinically effective dosages of key ingredients. It delivers a high-intensity pre-workout experience designed to enhance nitric oxide, focus, endurance, and lean muscle mass for serious athletes and bodybuilders.
Buy now, pay later from £14.25/mo with
Key Benefits
PreSeries STIM-FREE, the epitome of a stimulant-free pre-workout supplement, has been meticulously crafted to cater to the most discerning athletes and bodybuilders. Looking for peak performance, this formula offers a variety of benefits.
With clinically effective dosages of powerhouse ingredients such as citrulline malate, beta-alanine, betaine, and taurine, STIM-FREE provides the means to enhance your workout regimen without the need for stimulants. It's the perfect solution for individuals who are caffeine-intolerant or those seeking to cycle off stimulants.
One remarkable feature that sets STIM-FREE apart is its unwavering commitment to transparency. Transparent Labs reveal the entire formula, ensuring that serious athletes and bodybuilders can make informed decisions about their pre-workout supplement.
Moreover, every serving of STIM-FREE goes above and beyond. It exceeds 23 grams per scoop, making it the largest in the entire PreSeries range. This generous serving size is packed with 13 active ingredients, all designed to elevate nitric oxide levels in your muscles, improve your focus and endurance, and support the growth of lean muscle mass.
Here at healf we do the work for you, every product goes through a 3 step curation process of Discovery, Expert Validation, and Community Testing. So you know you are only getting the best.
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.
They recommend mixing 6-8 fl. oz of water with 1/2 scoop 20-30 minutes prior to training (to assess tolerance) and mixing 12-16 fl. oz of water with 1 full scoop, if increased intensity is desired.
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.
100+ health markers.
Two annual at-home blood tests.
Personalised product recommendations.
Every product undergoes our rigorous Healf Curation Process, ensuring you are always getting the best when it comes to your wellbeing.
Discover moreThe Discovery
Expert Validation
Community Testing