


Assessing Impossible Burger’s Harmful Ingredients



Plant-based burgers are on the rise, and one of the popular ones is Impossible Burger. It’s new so it’s flashy. And it’s marketed as a cleaner, greener, and healthier alternative to meat. For many, it sounds like the ultimate win. Save the animals, protect the planet, and care for your health in each bite.
But let’s pause for a moment and look a little closer.
The explosion of plant-based meat alternatives didn’t just come out of nowhere. It’s part of a larger movement against consuming meat. Over the years, what we hear is that meat causes disease, shortens your life, and destroys the Earth.
Let’s take a closer look at the ingredients, the science, and the misleading ideas surrounding the Impossible Burger like how, according to them, the ingredients are safe and good for you. Our goal? To show you why real meat, even conventionally raised, still offers unmatched nutritional benefits.
So, if you’ve ever wondered whether the Impossible Burger lives up to the hype, stick around. Your health and the health of our planet deserve more than just the illusion of perfection.
What Is the Impossible Burger?


The Impossible Burger is the brainchild of Impossible Foods, a company founded by a Stanford biochemistry professor, Dr. Patrick O. Brown, who believed he could re-engineer meat without the animal, fully replacing animal agriculture with plant-based substitutes. This is to address issues that are considered critical, like animal welfare, climate change, and global food security.
The company aims to replicate the smell, taste, and texture of meat using nothing but plants and some heavy-duty food science. They invest a lot in research and development to do this. Their vision is to create a sustainable future where meat-like foods will not have the environmental impact that conventional meat does, and their mission is to create a big market that targets omnivores instead of vegans. And the central pillar of this mission is the Impossible Burger.
Why Is the Impossible Burger Promoted Over Beef Burgers?
The Impossible Burger is becoming so popular that it’s almost everywhere you turn, someone’s talking about it. It is hailed as the ethical and better alternative to “evil” meat. It looks like beef and tastes like beef. Supporters also say its protein content is equivalent to beef, with its fat content and total calories lower than beef.
Another argument they have is that the Impossible Burger is environmentally friendly. Advocates say plant-based meat uses less water, less land, and emits fewer greenhouse gases than traditional meat. All of that sounds appealing to a growing consumer base who are concerned about climate change and the environmental footprint of their food choices. This places the Impossible Burger as a good health decision and an ethical and ecological one at that.
These claims are compelling. But they’re built on narrow comparisons. They rarely account for how nutrients are absorbed in the body or the environmental practices behind real, regenerative livestock farming. And they definitely don’t talk about what’s hiding in that list of ingredients and what your body has to do to digest them.
Yes, the Impossible Burger is clever. It’s innovative. But that doesn’t automatically make it better. But how does it really compare to real meat?
What Ingredients Are in the Impossible Burger?


Here’s where it gets eye-opening.
The truth of the matter is that the Impossible Burger is highly processed and meant to copy what beef would taste like and how it would feel. Here is the comprehensive list of ingredients:
Water
Soy protein concentrate
Sunflower oil
Coconut oil
Natural flavors
Methylcellulose (a plant-based binder)
Cultured dextrose
Food starch modified
Yeast extract
Dextrose
Soy leghemoglobin
Salt
Vitamin E (Tocopherols)
L-Tryptophan
Soy protein isolate
Zinc
Vitamins (B3, B1, B6, B2, and B12)
That doesn’t look like dinner. That’s a science project.
In its earlier version, the burger used wheat protein, but it was reformulated in 2019 and again in 2022. Why? To remove gluten and improve the texture. So now, it’s mostly soy protein concentrate, which is a processed derivative, not a whole food. It also includes methylcellulose, a plant-based chemical used in processed foods so the burger holds its shape during cooking.
They also tweaked the fats. Coconut oil made the patty too greasy, so they mixed in sunflower oil. All these tweaks were to make the product look and feel more like meat, as the company’s commitment to meet consumer expectations and diet preferences.
Why Are the Impossible Burger’s Ingredients Problematic?
The Impossible Burger looks and feels like real meat. But when you dig deeper, the ingredients tell the story. The Impossible Burger is a lab-born, ultra-processed mix of additives, oils, and isolated proteins. Some of them raise eyebrows. Others raise serious health and environmental concerns. Let’s take a closer look.
Soy Protein Concentrate and Soy Protein Isolate


Soy protein concentrate is a key component of the infamous burger. Producing it uses industrial processes, which are questionable. It is rich in phytoestrogens—plant compounds that mimic estrogen in the body. That might not sound like a big deal, but it can cause trouble for individuals with hormone-sensitive conditions or imbalances, as well as anyone eating this on a regular basis. Soy can lower testosterone in men and worsen estrogen dominance in women, which can be seen in fibroids and endometriosis.
And that’s not all. Soy is also packed with anti-nutrients like oxalates, phytates, and trypsin inhibitors. Phytates can mess with your body’s ability to absorb essential minerals like calcium, zinc, and iron, while trypsin inhibitors disturb protein digestion, which ironically soy is supposed to provide. Processing does remove some of these anti-nutrients, yes. But it also introduces other concerns.
To make soy protein concentrate, manufacturers use a solvent called hexane, a chemical derived from petroleum. Some of it can linger in the final product. Most of the soy in processed food is also genetically modified to withstand heavy doses of herbicides like glyphosate. That’s the weed killer linked to cancer by several health authorities. You get the picture.
Soy protein isolate is another highly processed form of soy that’s often used in protein powders, bars, and meat substitutes. While it offers a concentrated protein source, it’s linked to similar health concerns, including hormone disruption due to its high levels of phytoestrogens, possible digestive issues from processing residues, and the risk of pesticide exposure if it’s made from GMO soy.
Real meat doesn’t come with this chemical baggage. It’s nutritious food.
Coconut Oil
Coconut oil can be one of the healthier non-animal-based fats. But not all coconut oils are created equal. The one in the Impossible Burger is refined. To make it shelf-stable and neutral-tasting, manufacturers bleach and deodorize it at high heat. That intense processing strips away much of its natural goodness, like polyphenols and antioxidants. Worse, the high heat oxidizes the oil, which could lead to harmful free radicals forming. Over time, that oxidative stress can contribute to inflammation, aging, and even heart disease.
There’s also the risk of rancidity. Refined oils like this can go bad, especially if exposed to heat and light. You may never smell or taste it, but your cells will notice. Unrefined, virgin coconut oil avoids all of this. It’s clean, minimally processed, and rich in natural compounds your body can actually use.
Sunflower Oil


Sunflower oil is another ingredient in the Impossible Burger. Like coconut oil, sunflower oil also poses health concerns, and the process of extracting it is similar. During processing, the oil is extracted using heat and chemical solvents like hexane. Then it’s bleached and deodorized. Just like refined coconut oil, this makes it prone to oxidation and rancidity. Free radicals, again, sneak into the picture. These molecules damage your cells and contribute to cellular damage, inflammation, and chronic diseases such as heart disease and cancer.
Another issue with sunflower oil is its rich in omega-6 content. Our bodies need omega-6 fats, but only in balance with omega-3s. Most modern diets are overloaded with omega-6s, especially from vegetable oils. Too much PUFAs from refined oils like sunflower oil have been linked to an increased risk of metabolic dysfunction, insulin resistance, and chronic inflammation, which fuels many health problems like cardiovascular disease and autoimmune disorders.
The widespread use of refined oils like sunflower oil makes it a hidden contributor to the modern epidemic of chronic diseases. So even if the oil tastes light and neutral, its effects on your body can be anything but. Minimally processed oils with healthier fatty acid components, such as those from animal fats or unrefined coconut oil, are better for supporting long-term health and reducing inflammatory risks.
Natural Flavors


“Natural flavors” sounds safe. Harmless. Maybe even healthy. But the truth is, it’s one of the most misleading terms in food labeling.
This term means the flavor originally came from a natural source like a fruit, herb, or animal, but it could now contain dozens of chemicals. And the food companies don’t have to tell you what’s in it because they are not required to disclose the specific components.
The fact is, “natural flavors” can include solvents, preservatives, and synthetic compounds. These can cause allergies, sensitivities, or digestive issues. Whether it’s personal or health reasons, the vague labeling gives consumers zero transparency. You deserve to know what you’re eating. But when you bite into a plant-based burger, that information is often nowhere to be found.
Methylcellulose
This ingredient sounds like it’s a chemical you’d find in a lab. And it’s not far from the truth because it kind of is. Methylcellulose is a synthetic compound made from plant cellulose, used in the Impossible Burger to bind the other ingredients together and create a meat-like texture. Outside the food industry, this ingredient is also used in pharmaceuticals and cosmetics for the very same qualities. It is also an active ingredient in laxatives you’d get over the counter because it can absorb water and add bulk to stool.
Methylcellulose has many functional uses, but our bodies can’t digest it. It just passes right through. For people with digestive issues, it can cause all sorts of discomfort, such as bloating, gas, and even diarrhea. Its role as a laxative gives it away. While regulators say it’s safe, you have to ask: Is this something we really want in our food? Especially when there are so many more natural, gut-benefiting options out there.
Cultured Dextrose and Dextrose
Cultured dextrose is another additive commonly used as a preservative and flavor enhancer in processed products. Dextrose is a simple sugar from corn. It is fermented using specific bacterial cultures.
While cultured dextrose is marketed as a natural ingredient, it is still refined sugar, which causes blood sugar spikes. It is added to prevent unwanted microbial growth and improve flavor stability. But this doesn’t change the fact that it is sugar.
Dextrose spikes your blood sugar, amplifies inflammation, and contributes to issues like weight gain, insulin resistance, fatigue, and digestive discomfort. These could further lead to obesity, type 2 diabetes, cardiovascular disease, and fatty liver disease. If you’re someone managing metabolic conditions, this ingredient is far from helpful.
Modified Food Starch
Modified food starch is a processed starch that comes from corn, potato, or wheat and is used as a thickener, stabilizer, or emulsifier. It goes through chemical, enzymatic, or physical treatments to change its qualities.
These modifications make the starch more functional, have better texture, be shelf stable, and resistant to heat or freezing. But despite its many uses, consuming modified food starch raises health concerns because it is highly processed and therefore has side effects.
For some people, especially those with digestive issues, this modified starch can cause bloating, gas, or stomach pain. And if it’s made from wheat and not labeled gluten-free, it can be risky for those with celiac or gluten sensitivity.
Worse, these starches often have a high glycemic index, meaning they can send your blood sugar on a rollercoaster ride. Over time, diets full of ingredients like this can quietly fuel inflammation and chronic disease. That’s a steep price to pay for a smoother mouthfeel that can be achieved from natural and real meat.
Yeast Extract
Yeast extract adds that rich, savory, umami flavor to the Impossible Burger. It is promoted as a natural substitute for artificial flavoring agents. Yeast extract contains naturally occurring glutamates that act a lot like MSG. They’re not exactly the same, but for some people, the effects are similar: headaches, upset stomachs, and that weird flushed feeling after eating certain takeout meals.
Yeast is approved under the FDA’s “Generally Recognized as Safe” or GRAS rule, which basically lets companies self-certify that an ingredient is safe based on existing research, without requiring long-term safety studies or in-depth reviews.
It’s not just yeast. Other GRAS-designated ingredients are widely available in the market, with many consumers not knowing their health effects.
Soy Leghemoglobin
Soy leghemoglobin is the Impossible Burger’s star ingredient. It’s the one that “bleeds” and gives it that realistic, meaty flavor. It’s also genetically engineered.
Scientists used DNA from the root of soy plants, inserted it into yeast, and then fermented it in a lab to make this burger-friendly heme. This is clearly innovative. But is it safe? That’s the million-dollar question.
Like yeast extract, the FDA identifies soy leghemoglobin to be Generally Recognized as Safe (GRAS). Manufacturers of this ingredient are not required to do long-term studies or independent verification, and can say by themselves that this ingredient is safe.
Soy leghemoglobin has no safety profile. No one really knows what happens when people eat this stuff regularly, or what it can mean for their health years down the line. Impossible Foods conveniently funded and published this study, stating that this ingredient is safe, but the conflict of interest alone gives us pause.
Even nutritionally, even if it’s marketed as “heme”, it doesn’t stack up to real heme iron from meat. That kind of iron is vital for carrying oxygen in your blood and is easy for your body to absorb.
The one in real meat is easily absorbed and used by the body without any concern. The lab-made version? Not really. It’s all for show, not substance.
Synthetic Vitamins and Minerals
The label “fortified with vitamins and minerals” sounds like a good thing. But the thing is, this is not really that appealing if the vitamins are synthetic or unnatural.
Synthetic vitamins and minerals, like the ones in the Impossible Burger, aren’t created equal. They lack the requirements needed to be absorbed and used by the body. Aside from this, they can even have side effects in some people. This is not a problem for whole food sources.
One issue with synthetic vitamins is that they can be incompatible with people who have genetic variations like the MTHFR mutation.
People who have this can’t process the synthetic form of folic acid or vitamin B9. They need a different form called methylfolate. Without it, they can develop deficiencies despite eating “enriched” foods. This can lead to health issues such as fatigue, depression, and an increased risk of chronic disease.
How Much Does the Impossible Burger Cost?


Let’s talk numbers. A six-pack of four-ounce patties rings up at about $12-$17, depending on where they’re purchased. That’s between $2-$3 per patty. Impossible Foods also released a plant-based ground beef alternative costing $6.78-$9.49 per 12-ounce package. That means it costs between $1.75 and $2.77 for a three-and-a-half-ounce serving of their plant-based beef alternatives. Compare that to real ground beef, which averages $6.50 per pound, or roughly $0.88 to $2.19 for the same three-and-a-half-ounce portion. That’s almost half the price.
When you eat out, you’ll likely pay even more. A typical beef burger at a restaurant already costs close to $16 due to inflation and rising food costs. The Impossible Burger? Usually pricier.
This plant-based label often comes with a premium, whether you’re buying it from the store or ordering at a trendy spot downtown. The price difference is based on the current costs of producing plant-based meat alternatives and market dynamics.
So yes, the Impossible Burger costs more whether you’re buying the patties or dining out.
Are Impossible Burgers Better for the Environment?


Even if the Impossible Burger is marketed as a more sustainable choice, it really is not the case. These burgers are likely to have a larger environmental footprint than conventional beef patties when it comes to the production process.
Most of the ingredients in an Impossible Burger are processed, manufactured, and refined. These are far from the earthy, garden-fresh image the packaging suggests.
Soy protein concentrate, sunflower oil, and methylcellulose. These don’t grow in your backyard. Producing them takes serious energy, resources, and industrial agriculture. And all of that adds up to pollution, habitat destruction, and a whole lot of strain on the planet.
Another factor to consider is the global supply chain. Ingredients get shipped across countries, maybe even continents, before ending up in your burger. That’s a lot of fuel, a lot of emissions, and a lot of steps.
This is a stark contrast compared to a local, regeneratively raised cow. You’re supporting your region (or maybe the next region), reducing transit pollution, and helping restore the land. Really.
Another thing is carbon emissions. Animal agriculture is often blamed for this. But this is a misconception through misrepresented data. The EPA reports that livestock in the U.S. contributed just about 4% of total emissions in 2022.
Energy and transportation are far bigger culprits. Plus, regenerative grazing practices on well-managed farms can actually help capture carbon, not release it. The narrative that plant-based meat is better for the planet oversimplifies the issue. This idea puts all the focus on animal agriculture and ignores how taxing to the environmental industrial crop production is.
Impossible Burger vs. Beef Burger Patties


Beef offers a complete amino acid profile. Its protein is highly bioavailable. In contrast, the Impossible Burger contains limited amino acids and is less efficient in building and repairing muscle, which is what protein should do. The same is true for its other nutrient content, like iron, which is all less bioavailable.
A beef patty is simple. Just one ingredient: beef. No guessing. No decoding food labels. It’s pure, whole, and naturally packed with nutrients. Your body knows exactly what to do with it. The Impossible Burger? Not so simple.
The Impossible Burger has 21 ingredients, and many of them are synthetic, genetically modified, or ultra-processed. That’s a lot of stuff for something trying to imitate real food. These processed ingredients reduce the nutritional value and could contribute to long-term health issues.
From an economic perspective, a regular, preformed beef patty costs on average $1.83. The Impossible Burger patty costs on average $2.42. That’s a noticeable jump, especially for families on a budget. You’re paying more for less nutrition and more processing.
When it comes to sustainability, beef from pasture-raised, regeneratively managed farms does more than just feed us. It heals the soil, stores carbon, and supports wildlife. The Impossible Burger, with its industrial farming and global supply chains, simply can’t do that.
Why Animal Foods and Whole Foods Are Always Superior


Animal foods are excellent for our health because they provide complete nutrition that perfectly meets the body’s needs. They speak for themselves, being rich in B12, heme iron, zinc, omega-3s, and all the essential amino acids—all bioavailable.
These are the nutrients that build strong bodies, support sharp minds, and keep you feeling full and energized. And your body knows exactly how to use them.
Whole foods, especially from animals, are the most trustworthy source of nourishment. No extreme processing, no additives, no guesswork, no weird side effects. Just real, bioavailable nutrients delivered exactly how nature intended.
Even better, whole animal foods often come with enzymes and cofactors that help your body absorb and use everything properly. That’s something no synthetic product can do.
Closing Thoughts on Impossible Burger’s Harmful Ingredients
The Impossible Burger may be meatless, but it’s not harmless. As we’ve explored, it contains more than 21 ingredients, many of which are highly processed, genetically modified, or completely synthetic.
We’re talking soy leghemoglobin, refined oils, methylcellulose, preservatives, fillers—the kind of stuff your body was never meant to digest regularly.
Meanwhile, beef is just beef. No extra ingredients or processing. Nutritionally, there’s no contest. Beef wins.
Economically, beef is easier on your wallet. Environmentally, when raised right, beef can actually restore land and trap carbon.
And the bigger picture? Our bodies are bombarded every day by chemicals in food, air, and water. Ultra-processed foods only make things worse, messing with our hormones, gut health, and long-term wellness. It’s overwhelming. But you don’t have to accept it.
Start small. Choose real food. Cook simple meals with whole ingredients. Say yes to nutrient-dense animal products and no to things with ingredients you can’t pronounce.
Every bite is a choice. And when you choose whole, natural food, you choose clarity, vitality, and real nourishment. You choose to love and care for your body, your family, and the planet.
Work With Our Trusted Carnivore Diet Functional Medicine Practitioners
Our Empower Functional Health practice is honored to be trusted carnivore diet functional medicine practitioners, supporting patients and clients from around the globe. We’re passionate about helping individuals achieve root-cause healing in order to live the life they are meant to, nearly symptom-free. We provide nutritional thought leadership and evidence-based insights, paired with clinical pearls, to help you achieve your wellness goals. We welcome you to explore our free resources, and if you find that self-troubleshooting falls short, we’re here to guide you with personalized support and protocols. Our Personalized Health Plan (PHP) is the ideal starting point for uncovering your root causes. You can learn more about this powerful, proprietary tool in-depth here.
DISCLAIMER: This content is for educational purposes only. While we are board-certified in holistic nutrition and are functional practitioners, we are not providing medical advice. Whenever you start a new diet or protocol, always consult with your trusted practitioner first.


