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Metabolic Science That Goes Deeper.
The Lean is a next-gen metabolism & appetite support formula. Its dual-action complex helps you burn smarter and curb cravings—without caffeine jitters.
3x
More Weightloss vs Control⁽¹⁾
-12%
BMI Reduction vs Control⁽¹⁾
α
Amylase Inhibitor to Block Carbs
Dual
Action Metabolism Boost & Appetite Control
What to Expect Over 12 Weeks.
IN JUST 1-2 WEEKS:
IN 4-6 WEEKS:
AFTER 10-12 WEEKS
Burn Smarter


Curb Cravings
Why Choose The Lean – Green Tea+
High Standards. No Compromises.
Every ingredient is tested, verified, and obsessively sourced—because good enough isn’t good enough.

Green Tea Extract
Caffeine-free, 2x absorption; supports metabolism.
Our formula contains Greenselect® Green Tea Phytosome™ — the most effective green tea extract available worldwide. Its unique Phytosome™ technology makes it twice as effective as regular green tea supplements.

Beanblock™
Blocks carb digestion; curbs appetite.
Our formula contains Beanblock™ White Kidney Bean Extract which blocks alpha-amylase to reduce carbohydrate absorption and suppress appetite. It is single-origin, triple-standardised and purified delivering unmatched effectiveness.
Meet Our Scientists.

Jan Gruber
PhD

Vincenzo Sorrentino
PhD
Ask Anything.
What ingredients are in The Lean?
Each capsule of The Lean contains 300 mg of Greenselect® Phytosome™ (decaffeinated green tea leaf extract from Camellia sinensis) and 200 mg of Beanblock™ (Lamon white kidney bean extract from Phaseolus vulgaris).
Plant extracts, especially green tea, are hard to absorb because they don’t dissolve well in our intestines. Phytosome™ technology solves this by doubling absorption.
What daily dosage do you recommend?
We recommend 1-2 capsules daily with food and water, preferably with your heaviest meal(s) of the day.
Each serving contains 40 mg of EGCG, a powerful antioxidant found in green tea. Make sure not to exceed 800 mg of EGCG per day, especially if you drink green tea or matcha as well.
What does "Phytosome" mean?
Technology: Indena’s Phytosome™ (Italy) helps your body absorb plant-based nutrients more effectively. Think of it as wrapping the nutrient in a protective “bubble” of natural fats, making it easier for your cells to take in. Pure plant extracts are usually hard to absorb; Phytosome™ improves uptake for better results.
Is The Lean safe? Any side effects?
Yes, both Green Tea Extract and White Kidney Bean Extract are generally considered safe when taken as directed.
Do note that it’s essential to avoid excessive caffeine intake if combining this product with other stimulants. Each serving contains 40 mg of EGCG, a powerful antioxidant found in green tea. Make sure not to exceed 800 mg of EGCG per day, especially if you drink green tea or matcha as well.
If you are pregnant, nursing, or taking medication, consult your healthcare provider before use.
What is the best time of day to take The Lean?
We suggest taking 1-2 capsules per day with food and water. It's best to take The Lean with your heaviest meal(s) of the day. If you have two large meals, take one capsule with each. Since our green tea extract is decaffeinated, you don’t need to worry about it affecting your sleep if taken later in the day.