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Roundup QuickPro contains 73.3% glyphosate—the highest concentration available and linked to serious health risks, including cancer.
Learn about dangerous exposure levels, safer alternatives, and legal options if you’ve been affected.
Weed killers with high percentages of non-selective herbicides, such as glyphosate, are extremely effective at eliminating unwanted plants. However, this effectiveness comes with significant risks. Our team of attorneys and legal researchers has reviewed numerous glyphosate-related cases and studied the litigation landscape to help you understand your potential claims.
Glyphosate, the main ingredient in products like Roundup, has been associated with numerous health issues, including cancer and other serious conditions.
Exposure to products with high glyphosate concentrations, such as Roundup QuickPro, has led to severe health complications for many users. If you believe Roundup has impacted your health and are seeking legal representation from a trusted law firm like Schmidt & Clark, LLP, read on to explore your options and next steps.
Table Of Contents
- Quick Summary
- What Weed Killer Has the Highest Concentration of Glyphosate?
- What Weed Killer Do Professionals Use?
- What Is the Difference Between Roundup and Glyphosate?
- What Is Glyphosate Being Replaced With?
- Glyphosate Side Effects
- Reason for the Recall
- What Is the Burden of Proof During a Roundup Claim?
- Glyphosate Exposure Lawsuits: What You Need to Know
- FAQs
- 1. What is the strongest weed killer on the market?
- 2. What brands contain glyphosate?
- 3. What happens if you use too much glyphosate?
- 4. How long does glyphosate stay active in soil?
- 5. What should I do if accidentally exposed to glyphosate?
- 6. How do I document exposure for legal purposes?
- 7. What medical tests should I request?
- 8. How do I safely dispose of glyphosate products?
- Get a Free Glyphosate Lawsuit Evaluation With Our Lawyers
Quick Summary
- Roundup QuickPro is the glyphosate-based product with the highest concentration of glyphosate.
- Professionals use Roundup Tough Weed Killer to kill tough and deep-rooted weeds.
- Glyphosate alternatives include diquat, pelargonic acid, glufosinate, and natural weed killers like vinegar and botanical oils.
- Studies suggest that glyphosate exposure is tightly linked to the development of different forms of cancer.
What Weed Killer Has the Highest Concentration of Glyphosate?

This herbicide has up to 73.3% of glyphosate.
Glyphosate is a non-selective and broad-spectrum herbicide used in agriculture to kill annual broadleaf weeds and grasses.
Extreme care is recommended for this product or any natural weed killer with high glyphosate percentages.
This is because weed killers like glyphosate are dangerous for humans, and extreme exposure will lead to many health problems and side effects. We will cover those shortly.
Now that we have established that, let’s go over the strongest weed killers with the most glyphosate for weed control or prevention of weed growth.
When considering herbicides, it’s important to understand their glyphosate concentrations, known health risks, common uses, warning label requirements, and reported cases or lawsuits.
Below is a comprehensive comparison table of three popular products:
- Roundup QuickPro
- Ranger Pro
- Killzall Weed
- Grass Killer
| Product Name | Glyphosate Concentration | Known Health Risks | Common Uses | Warning Label Requirements | Reported Cases/Lawsuits |
|---|---|---|---|---|---|
| Roundup QuickPro | 73.3% | Skin irritation, eye irritation, a potential link to leukemia | Non-selective weed control in industrial areas | Use protective gear; avoid contact with skin/eyes | Multiple lawsuits alleging health risks; ongoing litigation regarding cancer claims |
| Ranger Pro Herbicide | 41% | Throat/nose irritation, burns, a potential link to non-Hodgkin’s lymphoma | Broad-spectrum weed control in agriculture | Caution: Harmful if inhaled; wear a respirator | Lawsuits filed for health complications from exposure |
| Killzall Weed and Grass Killer | 41% | N
What Weed Killer Do Professionals Use?
Its ingredients, like bensulide, trifluralin, and dichlobenil are the most effective for killing tough and deep-rooted weeds.Not all weed killers are created equally. That’s why professionals prefer to use any weed killer containing the following harsh chemicals to control weeds:
According to LawnChick, these chemicals, or active compounds, are the best for killing tough weeds and grass before they germinate [1]. However, professionals who apply a product like Roundup to kill weeds are also exposed to the dangerous side of its ingredients. These chemical compounds and glyphosate have been shown to be detrimental to human health. What Is the Difference Between Roundup and Glyphosate?
Monsanto, a Missouri-based company, originally developed Roundup. In 2018, Bayer acquired Monsanto and, therefore, inherited Roundup. So, Roundup is the first glyphosate-based weed killer, which is why people refer to them as the same thing. That being said, both glyphosate and Roundup are used in agricultural industries to kill weeds. According to the National Institute of Environmental Health Sciences 2023 research, using glyphosate without adding any chemicals kills everything it is sprayed on [2]. This is what the term non-selective herbicide means. That’s why glyphosate is mixed with other chemicals to destroy plants and not everything else around them specifically. What Is Glyphosate Being Replaced With?Glyphosate is being replaced with non-selective herbicides such as pelargonic acid, diquat, glufosinate, and natural weed killers like botanical oils and vinegar. According to a 2018 research by NC State University, all these alternative herbicides and selective weed killers have a contact-type activity, meaning they don’t translocate to the plant’s roots of existing weeds [3]. Each can control seedling annual broadleaf weeds if the labeled dose is properly applied. In addition, it is essential to mention that none of these products has a residual activity in soils. This is important since glyphosate is not a selective weed killer, meaning its chemicals remain in the ground, further contaminating our food, not simply eliminating weeds. Glyphosate Side Effects
Immediate/Short-term Side EffectsThese symptoms typically occur shortly after exposure to glyphosate or glyphosate-containing products:
Long-term Side EffectsChronic exposure to glyphosate has been linked to several serious health conditions:
The severity and type of symptoms can vary depending on how individuals are exposed to glyphosate:
Risk FactorsCertain factors can increase the likelihood and severity of side effects from glyphosate exposure:
The primary reason glyphosate is bad for human health is its formulant content. The most dangerous formulant is POEA, a petroleum-based oxidized molecule. According to a 2023 study by the NIH, scientists concluded that exposing human cells to the components of glyphosate formulations is toxic and harmful to human health [5]. Also, in the same study, scientists identified heavy metals such as chromium, arsenic, and cobalt, which are toxic to humans and their endocrine systems. See all related toxic tort lawsuits our lawyers covered so far. Does Glyphosate Cause Cancer?
This is because exposing yourself to glyphosate-based herbicides or glyphosate residues increases the risk of developing non-Hodgkin lymphoma. Both the U.S. Environmental Protection Agency (EPA) and The European Food Safety Authority agree that there is no sufficient evidence to support the claim that glyphosate residues cause cancer in humans. Also, the European Chemicals Agency (ECHA) approved glyphosate use until 15 December 2022. However, The World Health Organization’s (WHO) International Agency for Research on Cancer disagrees. According to Science Direct, In 2015, they stated that a weed killer like glyphosate is probably a human carcinogen. In 2019, researchers from The University of Washington concluded that glyphosate use increases the risk of non-Hodgkin lymphoma by more than 40% [6]. Reason for the RecallThe main reason to initiate a glyphosate recall is that it is bad for human health and linked to cancer. One of the most popular weed killers, Roundup, contains large percentages of glyphosate. Roundup and glyphosate have been linked to cancer types such as:
Over a thousand Roundup lawsuits have been filed against Bayer, a German pharmaceutical and biotechnology company. Lawsuits against Bayer tried to prove a connection between the exposure of Roundup and the development of the NHL. In addition, a large corpus of studies in the last 8 years has shown that high exposure to glyphosate increases the risk of developing different forms of cancer. What Is the Burden of Proof During a Roundup Claim?
Glyphosate may be responsible for your illness or a loved one’s death due to the failure to warn customers of a known risk. To hold a Roundup company liable for your damages, you must gather sufficient evidence to prove three key elements: 1. Defective ProductYou must demonstrate that the Roundup product you used contained a defect. This could include:
Proper warnings about the product’s potential effects should be visible on the container. If such warnings were absent or insufficient, this strengthens your case. 2. CausationYou must prove that Roundup was the primary cause of your injury or illness. Evidence may include:
Establishing causation is critical for showing that the defective product directly led to your condition. 3. DamagesYou must provide evidence of compensable damages caused by Roundup use. Examples include:
An attorney can help you identify qualifying damages and gather the necessary evidence to support your claim. FAQs1. What is the strongest weed killer on the market?The strongest weed killer on the market is Roundup QuickPro. It contains as much as 73.3% of glyphosate in the form of an ammonium salt. 2. What brands contain glyphosate?Brands that contain glyphosate are Roundup, Herbicide, Rodeo Aquatic, and Eraser. 3. What happens if you use too much glyphosate?If you use too much glyphosate, you may cause skin or eye irritation. Some people might experience irritation in their throat and nose. Get a Free Glyphosate Lawsuit Evaluation With Our LawyersRoundup QuickPro is the weed killer with the highest concentration of glyphosate. Exposure to this product can lead to side effects such as skin and eye irritations, diarrhea, nausea, and even cancer. If you experienced such side effects, there is still time to settle a Roundup lawsuit if the case meets certain criteria. Our Roundup lawyers can help. At Schmidt & Clark, LLP, our services include:
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The weed killer that professionals use is Roundup Tough Weed Killer.
The difference between Roundup and glyphosate is that Roundup is a product that contains glyphosate, while glyphosate is a chemical compound.
Glyphosate likely causes cancer. 