By the Rebuilt Performance Team · May 7, 2026 · 8 minutes reading time
Almost every dietary supplement brand advertises with the promise "laboratory tested" or "certified." But when you ask for the actual test results, you usually get excuses or general statements. Rebuilt Performance takes a different approach: we publish all lab tests fully and publicly – because you have the right to know what you consume daily.
What "tested" really means (and what brands hide)
The supplement industry has a transparency problem. While almost every brand claims their products are "strictly tested" or "quality checked," very few show the actual numbers. Often, product pages only display seals and logos from certification bodies – but without the accompanying lab reports, these symbols remain empty promises.
In Germany and the EU, there are legal minimum requirements for dietary supplements, but additional tests are voluntary. Many manufacturers conduct internal quality controls but do not have these results verified by independent laboratories. Others do commission external institutes but do not publish the results publicly – out of fear of competitive disadvantages or because the results are not perfect.
The problem is: as a customer, you cannot verify whether a product is truly free of contaminants. You have to trust blindly. It was precisely this information deficit that we wanted to address at Rebuilt Performance. That is why we decided to make all test results of our Pure Greens™ product completely transparent – including the exact measurements for pesticides, heavy metals, bacteria, and molds.
This decision was not taken lightly. It means we must face any criticism and be accountable for every limit value. But that is exactly the point: those who have nothing to hide can communicate openly. And those who communicate openly build genuine trust.
Rebuilt Performance's lab tests — all results in detail
Our Pure Greens™ product was thoroughly tested by the independent laboratory Dr. Graner & Partner GmbH. This accredited institute operates according to the highest scientific standards and has no business connection to Rebuilt Performance. The tests conducted cover all relevant contaminant categories important for plant-based dietary supplements.
Pesticides (22 tested, all passed)
Pesticides are chemical substances used in conventional agriculture to protect plants from pests. Since our Pure Greens™ consists of various plant-based raw materials, a comprehensive pesticide residue analysis was essential.
The laboratory Dr. Graner & Partner GmbH tested a total of 22 different pesticide active substances, including commonly used substances such as glyphosate, chlorpyrifos, DDT residues, and other organophosphates as well as pyrethroids. Each of these 22 tests was completed with a "passed" rating – meaning that either no residues were detectable or the measured values were well below the legal limits.
The test for glyphosate, which has been controversially discussed in recent years, was especially important to us. Here too, the result was clearly in the safe range. These clean test results are the result of careful raw material selection and close cooperation with our suppliers who prefer sustainable farming methods.
Bacteria (7 types tested, all passed)
Microbiological contamination is a common issue with plant-based powder products, especially when raw materials come from different climate zones. We had our Pure Greens™ tested for seven different types and groups of bacteria: aerobic mesophilic count, enterobacteria, Escherichia coli, Salmonella, Staphylococcus aureus, Bacillus cereus, and clostridia.
All seven microbiological tests were passed. This specifically means that the microbial counts were consistently below the permissible guideline values and no pathogenic (disease-causing) bacteria were detected. This result confirms that our production and storage conditions meet the highest hygiene standards.
Particularly critical are Salmonella and E. coli, which can cause health problems if processing is insufficient. The confirmation that these pathogens are absent gives you the assurance that you can use Pure Greens™ daily without concern.
Heavy metals (lead, mercury, cadmium, arsenic — all below limit)
Heavy metals are naturally occurring elements that can accumulate in plants through soil and water. Even with organic farming, complete avoidance is not always possible – what matters is that concentrations remain well below critical threshold levels.
The laboratory tested the four most important heavy metals: lead, mercury, cadmium, and arsenic. All four measurements were well below the legal limits set by EU Regulation (EC) No. 1881/2006. Specifically, this means:
- Lead: Significantly below 3.0 mg/kg
- Cadmium: Significantly below 1.0 mg/kg
- Mercury: Not detectable or below the detection limit
- Arsenic (inorganic): Significantly below the guideline value for plant-based foods
These low heavy metal levels are especially important because heavy metals can accumulate in the body. When taking a dietary supplement daily, it is essential that these levels are as low as possible. Our test results show that Pure Greens™ poses no risks in this regard.
Mold & Fungi (all passed)
Molds and yeasts can occur in plant powders if raw materials are not properly dried or stored. Certain mold species also produce mycotoxins – toxic metabolic products that can be harmful to health.
The laboratory Dr. Graner & Partner GmbH determined both the total count of yeasts and molds and specifically tested for critical mycotoxins such as aflatoxins and ochratoxin A. All tests were rated as "passed." The measured germ counts were in the non-critical range, and toxic mycotoxins were not detectable.
This result confirms that our supply chain is continuously controlled from harvest through processing to bottling. Only in this way can it be guaranteed that moisture and contamination have no chance.
Dr. Graner & Partner GmbH — who is behind the tests?
Transparency means not only publishing results but also disclosing who determined these results. Our testing laboratory Dr. Graner & Partner GmbH is an independent, accredited testing institute based in Germany that has been conducting analyses for the food and pharmaceutical industries for over 60 years.
The laboratory is accredited according to DIN EN ISO/IEC 17025 – the international standard for the competence of testing and calibration laboratories. This accreditation is granted and regularly reviewed by the German Accreditation Body (DAkkS). It guarantees that all analyses are conducted according to scientifically recognized methods and under strict quality controls.
Important for the credibility of our tests: Dr. Graner & Partner GmbH has no business relationship with Rebuilt Performance. It is a completely independent institute that works exclusively on a contract basis. The laboratory has no financial incentives to deliver specific results – on the contrary, its reputation depends on providing precise and unaltered data.
This independence is the core of genuine quality assurance. Internally conducted tests or analyses by laboratories belonging to the same corporate group can always raise suspicions of conflicts of interest. By commissioning an independent, accredited institute like Dr. Graner & Partner GmbH, this doubt is completely eliminated.
Our Certificates at a Glance
In addition to specific laboratory tests, Rebuilt Performance holds various certifications covering different aspects of product quality and safety. Here is an overview of the most important certificates and their significance:
FDA Registration: The U.S. Food and Drug Administration (FDA) is one of the strictest regulatory authorities worldwide. Our production facility is FDA-registered, meaning it meets American food safety standards. This registration also allows us to export to the USA and underscores our commitment to international quality standards.
FSSC 22000: The Food Safety System Certification 22000 is an internationally recognized certification scheme for food safety management systems. It combines ISO 22000 with additional industry-specific requirements. Companies with FSSC 22000 certification have demonstrated systematic control of all risks in the food chain – from raw material receipt to delivery.
GMP (Good Manufacturing Practice): GMP certifications ensure that products are manufactured under controlled conditions. This includes aspects such as hygiene, staff training, documentation, and traceability. GMP standards are especially relevant for dietary supplements as they ensure that each batch is produced identically and contains the declared ingredients.
Organic Naturland: The Naturland seal is one of the strictest organic certifications in Europe. It goes beyond the EU organic regulation and imposes additional requirements on environmental protection, social standards, and fairness. Raw
The content of this page is for informational purposes only and does not replace professional medical advice, diagnosis, or treatment. Always consult your doctor or qualified medical personnel if you have questions about illnesses or health concerns.
Pure Greens is a dietary supplement. Dietary supplements are not a substitute for a balanced and varied diet and a healthy lifestyle. The recommended daily intake (1 measuring scoop = 11 g) should not be exceeded. Keep out of reach of children under 3 years. Pregnant or breastfeeding women and individuals with known medical conditions should consult their doctor before use. Store in a cool, dry place.
The health claims used are approved by the EU/EFSA and refer to specific ingredients in the product: Vitamin A and Vitamin C contribute to the normal function of the immune system, zinc contributes to normal cognitive function, and inulin from chicory supports digestion. Allergens: contains wheat, barley (celiac disease), and naturally occurring sulfites from spirulina.
Verified and fully declared
You have just seen the lab and quality standards. That is exactly what Pure Greens stands for: 13 openly listed, tested ingredients with Vitamin C, A, and Zinc that contribute to normal immune function.
13 pure ingredients.
Fully declared. One scoop.
Every ingredient openly listed – with Vitamin C, Vitamin A, and Zinc that contribute to normal immune system function. No proprietary blends. No grassy taste. No subscription.
- ✓ Vitamin C, A & Zinc contribute to normal immune function
- ✓ Zinc contributes to normal cognitive function
- ✓ 13 fully declared ingredients · no artificial flavors
declared
Ingredients
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Tastes mild – no grassy flavor.
I always hated Greens powder because of the taste. This one is mild and pleasant. My wife now drinks it too.
Finally one I like to drink.
I had tried several Greens – all tasted like grass. This one is mild and fruity, I really enjoy drinking it.
Tastes really good.
All vegetables in one glass – and it tastes really good too. Very satisfied.
Greens and Reds – both delicious.
I tried both, both are tasty and easy to drink. Reds in the morning, Greens in the evening.
Great product and personal service.
Tastes good and fits well into everyday life. Plus a truly personal service.
Fantastic taste, easy to mix.
Only positive experiences with the powder – great taste and it mixes effortlessly.
Very satisfied.
The taste is really good. I'm generally a big fan of good supplements.
Fast delivery and great taste.
Fast delivery and really good taste. I've only been using it for a few days.
A delicious product.
Good taste, fast delivery, and good feedback. Overall a good experience.
Quickly delivered.
Quickly delivered so we could get started right away. Tastes good and is already a good habit.
Good product.
So far the product fully meets expectations. Good taste, easy to mix.
Pure Greens tastes really good.
Pure Greens tastes really good and fits perfectly into the morning.
Tasty.
Super tasty and really good flavor – both Greens and Reds.
Fast delivery.
Fast delivery. Tastes good, and it comes with good instructions.
Fast delivery, tastes good.
Super fast delivery and the product tastes really good.
Look forward to it every morning.
I've been taking Pure Greens and Pure Reds for a week and look forward to it every morning. Tastes good.
Lovely raspberry flavor.
Pure Reds has become part of my morning routine – with its lovely raspberry flavor, a fresh start.
Fine taste, good delivery.
Fine taste, fast service. I've only been using it a short time, but so far top.
Testimonials in videos or other promotional material may include people who have received compensation, free products, or other incentives.
What our customers say
Fast delivery and really good taste
Fast delivery and really good taste 👌
Fine taste, fast delivery
Fine taste and fast service – so far completely satisfied.
Tasty and quickly delivered
Fast delivery and a tasty product.
Honest about the taste
You have to get used to the taste briefly, but the delivery was fast and hassle-free.
Top customer service
There was a small error in my order, but customer service fixed it super quickly.
Consistently good quality
Fast delivery and always the same good quality.
Trustworthy
Trustworthy product and good communication regarding shipping.
Smooth
Order arrived on time, updates by email – overall a smooth experience.
No subscription obligation
Nice that I can decide when the next delivery comes.
Great experience
Great experience from start to finish.
Excellent
An excellent product – and friendly service as well.
Longtime user
Fantastic products. Have been using them for a long time and am still impressed.
