Green Tea, L-Carnitine and Choline Complex for Metabolic Function fat and carbs metabolism • normal blood glucose levels • low caffeine • 120 caps
Green tea, L-carnitine and choline complex is suitable for periods when you want to support metabolism during a regular working day – typically with a sedentary routine, irregular movement or fluctuating energy levels. It is not a fast-acting stimulant or a “fat burner”, but a complex focused on fat and carbohydrate metabolism and on maintaining normal metabolic function throughout the day.
The daily dose (4 capsules) is based on 800 mg of acetyl-L-carnitine and green tea extract (EGCG 112.5 mg; caffeine 2.25 mg), complemented by choline and chromium, which contributes to the maintenance of normal blood glucose levels. In practice, take 2 capsules in the morning and 2 capsules at midday, always after meals and with a sufficient amount of water.
Complex for Digestion and Blood Sugar - Naturtreu
A fast-paced lifestyle, irregular or unhealthy eating, and fatigue can be a burden on metabolism and overall balance. This dietary supplement offers a way to support normal metabolic functions and contribute to maintaining stable blood sugar levels.
It contains choline, which contributes to normal fat metabolism and proper liver function, and also chromium, which supports maintaining normal blood glucose levels. Thanks to this combination, it is suitable for anyone looking to support natural metabolic function.
The complex also includes acetyl-L-carnitine – a form of carnitine popular during physical activity and mental exertion. It also contains Indian nettle (forskolin), Garcinia cambogia, shatavari, and bitter melon – plant extracts traditionally used in Ayurveda and natural medicine.
The product is free from fillers, dyes, gluten, lactose, and animal ingredients, making it suitable for people with dietary restrictions.
The product is suitable for:
- Anyone looking to support fat metabolism and maintain proper liver function
- People who monitor optimal blood sugar levels and seek natural support
- Athletes and active individuals who want to support recovery and energy metabolism under stress
- Those looking for a clean supplement without artificial additives or animal ingredients
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SUITABLE FOR
Warning
According to EU regulations, we must state on our website:
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Follow the recommended daily dosage.
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The product is not suitable as a substitute for a varied diet and a balanced diet.
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If you are under treatment (sick), pregnant, or expecting pregnancy, consult the use of the product with a qualified nutritionist/doctor.
But! Every person has different needs, which means that the recommended daily dosage is not set in stone.
We, as sellers, are not qualified to advise you in any way. Always consult with a naturopath, holistic doctor, or another educated person who deals with traditional medicine (this can also be a classically educated doctor - bright exceptions).
Complex for Metabolism and Blood Sugar - Main Benefits
Discover the benefits and unique features this supplement offers:
- Choline and chromium for metabolism and sugar levels – choline contributes to fat metabolism and liver function, chromium to maintaining normal blood glucose levels
- High daily dose of 800 mg acetyl‑L‑carnitine – a form of carnitine favored by active people during demanding routines
- Carefully composed plant-based formula – green tea, Indian nettle, garcinia, shatavari, and bitter melon complement the complex with natural extracts
- Low caffeine content – green tea extract with 1% caffeine (2.25 mg per daily dose)
- Free from any – fillers, dyes, GMOs, gluten, lactose, and animal ingredients
Suitable for specific dietary regimes – for vegans, vegetarians, people with intolerances, or low-carb regimes
Discover a balanced complex for supporting metabolism and blood sugar levels with Naturtreu - Stoffwechsel.
Find more dietary supplements from our diverse range by clicking HERE!
Why Choose Naturtreu
NATURTREU products are an ideal choice for those seeking natural and quality dietary supplements. Each product contains only natural ingredients, free from chemicals or artificial additives, meaning it supports health in a natural way.
The company focuses on ecological production and minimizes negative impacts on the environment, supported by DIQP certification, which guarantees climate neutrality. NATURTREU also emphasizes scientific development, with products regularly innovated according to the latest research.
The brand also adheres to values of transparency, quality, and ethical approach, so customers are always assured they are choosing the best. By purchasing these products, you support not only your health but also ecological initiatives that help protect the planet and ensure sustainable use of natural resources for future generations.
Natural Composition
NATURTREU products contain only natural ingredients without chemicals and artificial additives, supporting health naturally.
Sustainability and Ecological Production
NATURTREU focuses on ecological production, environmentally friendly, and supports climate neutrality with DIQP certification.
Scientifically Based Development
Products are developed according to current scientific research and continuously innovated to ensure the best quality.
Support for Ethical Initiatives
By purchasing products, you support ecological and ethical values, protect the environment, and promote sustainable use of natural resources.
Transparency and Quality
NATURTREU values transparency and provides clear information about the composition, ensuring the highest quality.
Wide Range of Products
NATURTREU offers a wide range of products, including vitamins, minerals, and trace elements, focused on customer health and well-being.
Composition
Complete Composition
Main Ingredients
Acetyl L-carnitine HCl, glazing agent: hydroxypropylmethylcellulose (vegetable capsule shell), green tea extract (contains 50% epigallocatechin gallate and 1% caffeine), choline bitartrate, Indian coleus extract (contains 10% forskolin), garcinia extract (5:1), bitter melon extract (4:1), shatavari extract (10:1), chromium picolinate.
Nutritional Components
| Nutrients and Other Substances | Daily Dose (4 capsules) | RDI* |
|---|---|---|
|
L-carnitine (Acetyl-L-carnitine HCl) |
800 mg | N/A** |
|
Green tea – extract (50% EGCG, 1% caffeine) |
225 mg (EGCG 112.5 mg, caffeine 2.25 mg) | N/A** |
| Indian coleus – extract (10% forskolin) | 120 mg (forskolin 12 mg) | N/A** |
|
Choline (choline bitartrate) |
82.5 mg | N/A** |
| Garcinia cambogia – extract (5:1) | 25 mg | N/A** |
| Shatavari – extract (10:1) | 24 mg | N/A** |
| Bitter melon – extract (4:1) | 24 mg | N/A** |
| Chromium (chromium picolinate) | 6 µg | 15 % |
*RDI - Reference Daily Intake
** N/A - Not Applicable
Usage
- Take 2 capsules daily in the morning and at noon with a sufficient amount of water after meals.
Warnings
- Not suitable for pregnant and breastfeeding women or children.
- Supplements do not replace a varied and balanced diet or a healthy lifestyle.
- Do not exceed the recommended daily dose.
- Store in a cool, dry, and dark place, well-sealed and out of reach of small children.
- Contains: caffeine (2.25 mg per daily dose).
- A daily dose of 800 mg of epigallocatechin gallate must not be exceeded.
- Should not be consumed if you consume other products with green tea on the same day.
- The product does not contain gluten or corn.
- Does not contain undesirable additives such as magnesium stearate or titanium dioxide.
- After use, please recycle the packaging.
FAQ
When is the best time to take the complex?
It is recommended to take the capsules during the day, ideally divided into two doses. Evening use is not recommended as some of the ingredients may have a stimulating effect.
Official studies often recommend taking about an hour before physical activity.
Tip for those with higher sensitivity: Start with a dose of 2×1 capsule daily and transition to a full dose of 2×2 capsules within a week to assess tolerance.

Can the Green Tea Complex help with muscle building?
STOFFWECHSEL may support changes in your diet by contributing to fat metabolism and energy use.
However, achieving muscle growth requires additional support, such as strength training and overall lifestyle adjustments.

Does the product help with weight loss?
This supplement can accompany dietary adjustments as part of a weight reduction regime.
However, it is important to consider other factors – such as changes in physical activity habits and energy expenditure.

Does the Green Tea Complex contain caffeine and have stimulating effects?
Yes, the natural green tea extract contained in the capsules may have a mild stimulating effect.
The daily dose (4 capsules) contains approximately 2.25 mg of caffeine.

Is this Green Tea Complex suitable for pregnant and breastfeeding women?
No, this supplement is not intended for pregnant or breastfeeding women.

Can the contents of the capsules form lumps?
In most cases, this should not occur.
However, it is recommended to consume the product without unnecessary delay as natural ingredients may be sensitive to longer storage.

What to buy?
- ✔︎ Vitamin E – a natural antioxidant that protects cells from oxidative stress
- ✔︎ Vitamin D3 + K2 – fat-soluble vitamins suitable for daily supplementation in the diet
- ✔︎ Magnesium – a mineral that helps with fatigue and contributes to normal muscle function
- ✔︎ Resveratrol / Quercetin – plant substances common in a balanced diet, popular for their polyphenols
Additional parameters
| Category: | Glucose Metabolism & Blood Sugar |
|---|---|
| Manufacturer: | Naturtreu, Pfirsichweg 4a, 22175 Hamburg, Germany |
| Country of origin: | Germany |
| Vhodné pro: | vegan-sugar free-soy free-bez lepku-bez umelych prisad-GMO free-Lactose free |
| Net weight: | 120 capsules |
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NATURTREU products are natural, plant-based, free of unwanted additives and produced in an environmentally friendly manner.
Founded in 2018 by Alexander Adlung and Alexander Jansen, this German family-owned company from Hamburg focuses on developing herbal dietary supplements that set new standards in quality and sustainability.
Each product is created based on the latest scientific knowledge and uses only the best available ingredients. The company is constantly reviewing study results and collecting new empirical data to continuously improve and adapt its products to current scientific trends.
For NATURTREU, staying true to nature in everything they do is key.
Renowned dietary supplements for their:
- Ingredients only from natural and quality ingredients.
- Use of environmentally friendly production processes and emissions.
- Countless international awards.
- Long-term security of natural resources and health.
- Products designed according to current research.
Who is behind the Naturtreu brand
NATURTREU is a German family-owned company that has specialized in the production of natural, herbal dietary supplements since its establishment in 2018. Their products are manufactured without unwanted additives and with respect for the environment.
The founders, Alexander Adlung and Alexander Jansen, focus on an innovative approach to product development and sustainability. They aim to set new standards in quality and sustainability within the industry.
Alexander Jansen ensures that all products are developed according to the latest scientific knowledge, with an emphasis on the proven effects of the ingredients.
Alexander Adlung focuses on the development of the company and its philosophy, which emphasizes quality communication, ecological values and full customer orientation.
Naturtreu brand vision
Naturtreu is a brand committed to producing products with respect for nature, health and sustainability. The goal is to develop high quality, herbal dietary supplements that are organic, effective and safe.
The company strives to set new standards in quality and sustainability, with every product created using the latest scientific knowledge.
The focus is on transparency, green production and ensuring climate neutrality, part of a broader vision to protect our planet for future generations.

Certification and environmental responsibility
This planet is the only one we have - so we have to keep it healthy. There should be a more fundamental discussion on the need for climate protection. Above all, climate protection must be part of everything we do and plan. If we allow our planet to become inhospitable, we have no future!
Therefore, not only the production of NATURTREU, but also the entire management of the company is subject to strict environmental criteria.
NATURTREU has been certified by the German Institute for Quality Standards and Testing with the DIQP seal. This seal is only awarded if the strict CO2 emission requirements that make a company climate neutral are met.


About the founders
ALEXANDER JANSEN
Product development.
As a fitness and research expert, Alexander Jansen ensures that our products are developed according to the latest scientific knowledge. He constantly reviews studies and consults with recognized experts.
"Products must be designed so that I can recommend them to my family and friends in good conscience. Only the best is good enough! Therefore, only ingredients that have a proven effect are included in our dietary supplements.
ALEXANDER ADLUNG
Company development
Alexander Adlung is tirelessly working to transform the original vision NATURTREU into reality. He analyses customer needs, creates communication structures and looks for new ways to improve company processes.
" We want our customers to associate the name NATURTREU with the qualities that have always been important to us as customers: quality products, empathetic communication, sustainability and 100% customer focus. "

The main idea of this company is to produce herbal dietary supplements that combine scientific research, high quality and respect for the environment.

