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LeanFire
Discover Force Factor LeanFire: a plant-powered blend for your daily routine.
Free delivery on subscriptions
Free sample each month
Pause or cancel anytime
365 day free returns
In stock. Next day delivery available.
Healf Zone members get free next day delivery on all orders.
Buy now, pay later from £5.00/mo
Key Benefits
-
With Verilean® green coffee extract for a plant-based boost.
-
Contains caffeine and L-theanine for a balanced formula.
-
Includes cayenne, green tea, and garcinia extracts.
Start your day with LeanFire, featuring the Thermovigilance® Matrix—a thoughtful combination of Verilean® green coffee extract, caffeine anhydrous, L-theanine, L-carnitine tartrate, cayenne, garcinia, and green tea extracts. This capsule brings together premium plant-based and amino acid ingredients, making it easy to add to your daily routine. Each capsule is made without artificial dyes, sweeteners, preservatives, or flavours, so you can feel good about what you’re taking.
Force Factor, co-founded in 2009 by Daniel Wallace at Harvard, was created to redefine what science-backed nutrition can do for everyday health and performance. Based in Boston’s Innovation District, the brand develops innovative formulas with premium ingredients, rigorously tested to ensure safety, purity, and effectiveness. From soft chews to superfoods, each product reflects their mission to improve global health by making supplements both convenient and accessible. With a commitment to smart science and real results, Force Factor empowers you to fuel your body, sharpen your mind, and unlock your full potential.
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.
Thermovigilance® Weight Loss Matrix (L-Theanine, Verilean® Green Coffee (Coffea canephora) Extract (Bean), Caffeine Anhydrous (150 mg), Cayenne Pepper (Capsicum annuum) Extract (Fruit), Garcinia cambogia Extract (Fruit), L-Carnitine Tartrate, Green Tea (Camellia sinensis) Extract (Leaf)), Capsule Shell (Hypromellose), Anti-Caking Agent (Vegetable Magnesium Stearate), Bulking Agent (Microcrystalline Cellulose), Anti-Caking Agent (Silicon Dioxide), Anti-Caking Agent (Dicalcium Phosphate)
Take 1 capsule twice daily, 30 to 60 minutes before your two biggest meals. Do not take within 4 hours of bedtime.
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.
LeanFire
Discover Force Factor LeanFire: a plant-powered blend for your daily routine.
Free delivery on subscriptions
Free sample each month
Pause or cancel anytime
365 day free returns
In stock. Next day delivery available.
Healf Zone members get free next day delivery on all orders.
Buy now, pay later from £5.00/mo
Key Benefits
-
With Verilean® green coffee extract for a plant-based boost.
-
Contains caffeine and L-theanine for a balanced formula.
-
Includes cayenne, green tea, and garcinia extracts.
Start your day with LeanFire, featuring the Thermovigilance® Matrix—a thoughtful combination of Verilean® green coffee extract, caffeine anhydrous, L-theanine, L-carnitine tartrate, cayenne, garcinia, and green tea extracts. This capsule brings together premium plant-based and amino acid ingredients, making it easy to add to your daily routine. Each capsule is made without artificial dyes, sweeteners, preservatives, or flavours, so you can feel good about what you’re taking.
Force Factor, co-founded in 2009 by Daniel Wallace at Harvard, was created to redefine what science-backed nutrition can do for everyday health and performance. Based in Boston’s Innovation District, the brand develops innovative formulas with premium ingredients, rigorously tested to ensure safety, purity, and effectiveness. From soft chews to superfoods, each product reflects their mission to improve global health by making supplements both convenient and accessible. With a commitment to smart science and real results, Force Factor empowers you to fuel your body, sharpen your mind, and unlock your full potential.
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.
Thermovigilance® Weight Loss Matrix (L-Theanine, Verilean® Green Coffee (Coffea canephora) Extract (Bean), Caffeine Anhydrous (150 mg), Cayenne Pepper (Capsicum annuum) Extract (Fruit), Garcinia cambogia Extract (Fruit), L-Carnitine Tartrate, Green Tea (Camellia sinensis) Extract (Leaf)), Capsule Shell (Hypromellose), Anti-Caking Agent (Vegetable Magnesium Stearate), Bulking Agent (Microcrystalline Cellulose), Anti-Caking Agent (Silicon Dioxide), Anti-Caking Agent (Dicalcium Phosphate)
Take 1 capsule twice daily, 30 to 60 minutes before your two biggest meals. Do not take within 4 hours of bedtime.
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.
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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 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.
Healf Curation Process™
Every product undergoes our rigorous Healf Curation Process, ensuring you are always getting the best when it comes to your wellbeing.
The Discovery
Expert Validation
Community Testing
The Discovery
Expert Validation