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Stim Free Pre Workout - Sour Grape
This stimulant free supplement delivers a high-intensity pre-workout experience designed to enhance nitric oxide, focus, endurance, and lean muscle mass.
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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Elevates nitric oxide levels in your muscles.
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100% caffeine free.
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Improves focus and endurance.
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Supports the growth of lean muscle mass.
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Enhances your workout regimen without the need for stimulants.
This non-caffeinated performance supplement has been 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 ingredients such as citrulline malate, beta-alanine, betaine, and taurine, this pre-workout 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.
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.
What's inside?
Citrulline Malate 2:1, 8000mg: Improves muscle strength, aerobic performance, and muscle endurance. It enhances the use of branched-chain amino acids like leucine during exercise.
Beta-Alanine 4000mg: Delays neuromuscular fatigue during intense exercise and increases overall muscle strength.
BetaPure Betaine Anhydrous, 2500mg: Reduces muscle fatigue and enhances phosphocreatine replenishment.
Taurine, 1300mg: Taurine is an amino acid found to reduce post-muscle soreness.
L-tyrosine 1000mg: Improves the absorption and effective period of the amino acid L-tyrosine, and boosts energy and focus.
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.
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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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