Jeffrey Salazar
The carnivore diet is a restrictive eating plan that consists of only animal products, including meat, poultry, eggs, seafood, fish, and some dairy products. This diet is sometimes referred to as the zero-carb diet as it cuts out all carbohydrates, fruits, vegetables, legumes, grains, nuts, and seeds. While some proponents of the diet claim that it offers various health benefits, such as weight loss, improved mood, and blood sugar regulation, there is limited research to support these claims. The carnivore diet lacks beneficial nutrients, including fiber, vitamin C, and folate, which can lead to vitamin and mineral deficiencies. It is not recommended for women who are pregnant or breastfeeding, and those with certain health conditions like kidney disease, diabetes, or high blood pressure should avoid it due to its high protein, saturated fat, and sodium content.
| Characteristics | Values |
|---|---|
| What is it? | A diet that only allows consumption of meat, poultry, eggs, seafood, fish, some dairy products, and water. All other food groups are excluded. |
| Benefits | May aid weight loss, improve mood, and regulate blood sugar in people with diabetes. Eliminates unhealthy, highly processed carbohydrates. |
| Risks | Lack of dietary fiber, which can cause constipation and other digestive issues, including hemorrhoids. May cause vitamin and mineral deficiencies. Not suitable for pregnant or breastfeeding women, or those with kidney disease, diabetes, heart disease, or high blood pressure. Could trigger unhealthy eating patterns in those with a history of eating disorders. |
| Long-term sustainability | Highly restrictive and likely difficult to maintain long-term. |
| Expert opinion | Not well-studied, with no long-term research or controlled studies to support any health claims. Not recommended by experts due to the exclusion of many health-promoting foods, particularly plant-based foods. |
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What You'll Learn
Lack of nutrients
The carnivore diet is a highly restrictive diet that only allows the consumption of meat, poultry, eggs, seafood, fish, some dairy products, and water. It excludes all vegetables, fruits, grains, legumes, seeds, and nuts. This diet is sometimes referred to as the "zero-carb" diet.
The carnivore diet is lacking in many essential vitamins and nutrients that are necessary for a healthy body. It is deficient in vitamin C, boron, vitamin E, antioxidants, and fiber. Vitamin C is particularly difficult to obtain in sufficient quantities on a carnivore diet, even when consuming liver and other organ meats. A lack of vitamin C can lead to scurvy, which presents symptoms such as irritability, anorexia, tooth loss, poor wound healing, and brittle bones.
The exclusion of plant-based foods in the carnivore diet also means a lack of beneficial plant compounds and antioxidants. Plant-based diets have been associated with a lower risk of certain long-term health conditions, including heart disease, certain types of cancer, Alzheimer's, and type 2 diabetes. This is due to the high vitamin, fiber, and mineral contents of plant foods.
Fiber, a non-digestible carb found only in plant foods, is essential for promoting gut health and healthy bowel movements. A lack of fiber can lead to constipation or other digestive issues.
While it is possible to obtain most nutrients from a carnivore diet if it includes organs and seafood, it is still extremely challenging to get enough vitamin C, even with these additions. The carnivore diet may also lead to an overconsumption of certain nutrients, and there is a risk of nutrient deficiencies in the long term.
Overall, the carnivore diet's exclusion of entire food groups can result in significant nutrient deficiencies and is not recommended for long-term health and sustainability.
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Lack of dietary fibre
The carnivore diet is a highly restrictive diet that consists of only animal products, including meat, poultry, eggs, seafood, fish, and some dairy products. This diet excludes all vegetables, fruits, grains, legumes, seeds, and nuts, and therefore, it is sometimes referred to as the "zero-carb" diet.
One of the main concerns with the carnivore diet is the lack of dietary fiber. Traditional dietary guidelines advocate for the importance of fiber in maintaining digestive health, preventing constipation, and promoting bowel regularity. However, the carnivore diet challenges this notion, arguing that the human digestive system can adapt to a low-fiber diet. Proponents of the diet suggest that the digestive adaptation leads to less bulky stools and a more efficient digestive process, particularly when paired with a high-protein and high-fat intake.
While it is true that fiber feeds the gut microbiome, the carnivore diet claims that a diet rich in animal products can nurture different beneficial gut bacteria. This diet can lead to a simplified but efficient gut microbiome, which may reduce inflammation. However, it is important to note that the high-fat and high-protein content of the carnivore diet can change the balance of good and bad bacteria in the gut, resulting in loose stools or diarrhea.
Additionally, the lack of fiber in the carnivore diet may cause constipation, especially for those who are not accustomed to a low-fiber diet. It is worth noting that some individuals who follow the carnivore diet choose to modify it slightly to include some fiber-rich foods, such as fruit, for digestive comfort or personal preference.
In conclusion, while the carnivore diet challenges the traditional notion of the importance of dietary fiber, the lack of fiber in this diet may lead to potential digestive issues, including constipation and changes in the gut microbiome. As always, it is important to consult with a healthcare professional before making any significant dietary changes.
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Not safe during pregnancy
The carnivore diet is not safe during pregnancy or while breastfeeding. This is because the diet is extremely restrictive and can leave pregnant women and their growing babies short of essential nutrients. The diet consists of only animal products, including meat, poultry, eggs, seafood, fish, some dairy products, and water. It excludes all vegetables, fruits, grains, legumes, seeds, and nuts, and therefore cuts out entire food groups.
The exclusion of these food groups means that the carnivore diet is low in vitamin C and folate and contains no fiber. The absence of fiber in the diet might initially reduce gas and bloating, but over time, it can cause constipation and other digestive issues, including hemorrhoids. Fiber is also crucial in reducing the risk of colon cancer. The current recommended daily intake of fiber is at least 25 grams for women and at least 38 grams for men, which is very difficult to achieve when following the carnivore diet.
The carnivore diet is also likely to cause vitamin and mineral deficiencies due to its restrictive nature. It lacks beneficial nutrients, including plant compounds like antioxidants. The diet is not well-studied, and there is no long-term research or controlled studies to support its safety or purported health benefits.
Therefore, the carnivore diet is not safe for pregnant or breastfeeding women due to the high risk of nutrient deficiencies, which could negatively impact both the mother and the developing fetus or breastfeeding infant.
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Highly restrictive
The carnivore diet is highly restrictive. It involves eating only animal products, including meat, poultry, eggs, seafood, fish, and some dairy products and excluding all other food groups, such as vegetables, fruits, grains, legumes, seeds, and nuts. This exclusion of many health-promoting foods, especially plant-based ones, is a cause for concern.
The diet is not well-studied, and there is a lack of long-term research and controlled studies to support its purported benefits. It may be unsafe for some people and is not recommended during pregnancy or while breastfeeding as it may not provide sufficient nutrients for the mother and baby. It should also be avoided by individuals with certain medical conditions, such as kidney disease, diabetes, heart disease, or high blood pressure, due to its high protein, saturated fat, and sodium content.
The restrictive nature of the carnivore diet can make it challenging to sustain in the long term and it may be difficult to obtain all the necessary nutrients to maintain optimal health. It is particularly low in vitamin C, folate, and fiber. Fiber is crucial for lowering cholesterol, stabilizing blood sugar, promoting weight loss, and reducing the risk of colon cancer.
Additionally, the carnivore diet may lead to vitamin and mineral deficiencies and could trigger unhealthy eating patterns in individuals with a history of eating disorders. It is always recommended to consult with a healthcare professional before starting any restrictive diet to ensure it is safe and appropriate for your individual needs.
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No long-term research
The carnivore diet is a highly restrictive diet that has not been well-studied, and there is no long-term research to support any claims made about its benefits. The diet consists of only animal products, including meat, poultry, eggs, seafood, fish, and some dairy products, with all other food groups excluded. This means that it is very difficult to get the recommended daily intake of fiber, which is crucial for lowering cholesterol, stabilizing blood sugar, and reducing the risk of colon cancer.
There is also a risk of vitamin and mineral deficiencies due to the restrictive nature of the diet. While it may be suitable for some people in the short term, it is not a healthy diet to follow in the long term as it excludes many health-promoting foods, primarily plant-based. The best diet is one that can be sustained over a long period, and gradual lifestyle changes are more manageable and likely to be more beneficial to overall health than a restrictive and drastic diet.
The carnivore diet is not recommended for pregnant or breastfeeding women as it does not provide the nutrients needed by the mother and baby. It is also not suitable for people with certain health conditions, such as kidney disease, diabetes, heart disease, or high blood pressure, due to the high protein, saturated fat, and sodium content. The diet could also trigger unhealthy eating patterns in people with a history of eating disorders.
While some people claim that the carnivore diet has helped them lose weight, improve their skin, and reduce migraines and body odor, there is no scientific evidence to support these claims. The diet is not backed by any controlled studies, and it is likely to be unhealthy due to the exclusion of many nutrient-rich foods. It is always recommended to follow a well-rounded and balanced diet that includes a variety of healthy foods from all food groups.
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Frequently asked questions
The carnivore diet consists of eating only meat and animal products, including fish, chicken, and other poultry, lamb, beef, pork, eggs, and some dairy foods. It is a very restrictive diet that cuts out all fruits, vegetables, legumes, grains, nuts, and seeds.
Some people claim that the carnivore diet can help with weight loss, improve mood, regulate blood sugar, and improve skin. It also eliminates unhealthy, highly processed carbohydrates and sugars.
The carnivore diet is not recommended for women or anyone who is pregnant or breastfeeding, as it may not provide the necessary nutrients for a growing baby. It is also not suitable for people with certain health conditions, such as kidney disease, diabetes, heart disease, or high blood pressure.
The carnivore diet is very restrictive and may lead to nutrient deficiencies, including fiber, vitamin C, and folate. It may also be difficult to sustain long-term and could result in constipation and other digestive issues. There is also a lack of research and controlled studies to support the safety and purported benefits of the diet.
Instead of following a restrictive diet like the carnivore diet, it is generally recommended to adopt a well-rounded and balanced diet that includes a variety of healthy foods. The Dietary Guidelines for Americans suggest consuming fruits, vegetables, whole grains, dairy, lean protein, and oils. Making small improvements to your diet over time can be more sustainable and beneficial to your health in the long run.
