Transparent Labs’ Stim Free Pre Workout delivers performance support for athletes—no caffeine, just a smart blend of electrolytes and amino acids.
Buy now, pay later from £12.50/mo
Key Benefits
Feel energised for your workout—completely caffeine free.
With potassium to support normal muscle function and your nervous system.
Betaine contributes to normal homocysteine metabolism.
Includes calcium, needed for the maintenance of normal bones and teeth.
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).
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.
Additional Information:
Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.
If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.
We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.
Transparent Labs’ Stim Free Pre Workout delivers performance support for athletes—no caffeine, just a smart blend of electrolytes and amino acids.
Buy now, pay later from £12.50/mo
Key Benefits
Feel energised for your workout—completely caffeine free.
With potassium to support normal muscle function and your nervous system.
Betaine contributes to normal homocysteine metabolism.
Includes calcium, needed for the maintenance of normal bones and teeth.
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).
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.
Additional Information:
Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.
If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.
We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.
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 Source 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.
Every product undergoes our rigorous Healf Curation Process, ensuring you are always getting the best when it comes to your wellbeing.