Milly Gaines
The carnivore diet, which consists of only animal products, can lead to nutritional gaps due to the exclusion of plant-based foods. While animal products provide many essential nutrients, they lack certain vitamins and minerals commonly found in plants, such as vitamin C, vitamin E, fibre, calcium, potassium, magnesium, and beneficial plant compounds. These deficiencies can be addressed through carnivore diet supplements, ensuring individuals on this diet obtain a balanced nutrient profile. However, it's important to note that supplementation should not replace a varied diet, and individuals should strive to consume a range of animal foods to maintain their health.
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What You'll Learn
Electrolytes
The carnivore diet, which involves eating only animal products, can lead to imbalances in electrolytes. This is because electrolytes like potassium, magnesium, and calcium are more available in plant foods than in animal products. However, it is possible to get sufficient electrolytes through food choices on the carnivore diet.
Food sources of electrolytes on the carnivore diet include salt, organ meats, and fish. Salt is an important source of sodium, and high-quality salts like Himalayan pink salt or Redmond Real Salt also provide trace minerals. Bone broth is another good source of electrolytes, and meat, especially beef, bacon, and mackerel, can provide potassium. Fish such as sardines and salmon are sources of calcium, and cheese is another food that provides magnesium.
If you are unable to get enough electrolytes through food on the carnivore diet, supplementation may be necessary. Electrolyte supplements can be found in powder or tablet form, and it is recommended to choose products with minimal, straightforward ingredient lists that are free from artificial sweeteners, gums, or dyes. It is also important to consider the bioavailability of the supplement, as some forms of electrolytes are more easily absorbed by the body than others. For example, magnesium glycinate and potassium citrate are more bioavailable than magnesium chloride and potassium gluconate.
While supplementation can be helpful, it is generally recommended to prioritise food sources of electrolytes over supplements on the carnivore diet. This is because whole foods are more bioavailable, and the body can absorb and utilise the nutrients more effectively. Additionally, the kidneys adjust to the low-carb nature of the carnivore diet over time, becoming more efficient at retaining essential electrolytes. Therefore, most individuals on a well-formulated carnivore diet that includes a balanced intake of animal products providing sodium, potassium, and magnesium will not require long-term electrolyte supplementation.
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Vitamins
The carnivore diet is a restrictive way of eating that eliminates all plant foods and focuses solely on animal products, particularly red meat. While this diet can provide most essential nutrients in easily absorbed forms, it may fall short in certain vitamins and minerals. Here's a guide to help ensure you're getting the vitamins you need:
Vitamin C:
Although meat contains vitamin C, some people worry about getting enough on a carnivore diet. However, recent research suggests that consuming 2.2 lbs of red meat per day provides more than enough vitamin C to prevent scurvy (1.6 mg to 2.56 mg). Additionally, seafood and organ meats like thymus provide supplemental vitamin C. So, unless you're consuming far less than the standard amount of meat, you likely don't need to supplement vitamin C.
Vitamin E:
Some forms of vitamin E may be lacking in the carnivore diet since they are commonly found in plant foods. However, specific information about which forms are lacking and the potential need for supplementation is not readily available.
Vitamin B9 (Folate):
Vitamin B9, also known as folate, is crucial for cell division and DNA formation. It is primarily found in plants like leafy greens, legumes, nuts, and seeds, with beef liver being a notable exception. If you're avoiding plant foods, consider including a B9 supplement in your routine to ensure adequate intake.
Other B Vitamins:
Meat is a good source of B vitamins, and the carnivore diet typically provides ample amounts of these nutrients. However, if you're concerned about specific B vitamins, consulting a healthcare professional or seeking personalized advice would be advisable.
In summary, while the carnivore diet may raise concerns about vitamin deficiencies, careful food choices and selective supplementation can help address these issues. It is always recommended to consult a healthcare professional before starting any new diet or supplementation regimen to ensure it is safe and appropriate for your individual needs.
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Minerals
The carnivore diet, which consists of only animal products, can be restrictive and lead to nutrient deficiencies. While animal foods are rich in some minerals, they lack certain others that are commonly found in plant foods.
Magnesium
Magnesium is an essential electrolyte that supports various bodily functions, including muscle function, nerve signaling, and maintaining normal fluid levels. While meat contains some magnesium, it is more abundant in plant foods. A well-formulated carnivore diet that includes a variety of animal foods, such as steak, cheese, and seafood, can help increase magnesium intake. However, if these food groups are limited, a supplement may be necessary to meet the recommended daily intake of around 400 mg.
Potassium
Potassium is another essential electrolyte that is important for maintaining fluid balance, nerve function, and muscle contraction. Similar to magnesium, potassium is more readily available from plant sources than animal sources. A well-formulated carnivore diet can meet your potassium needs, but if dietary variety is limited, a supplement may be beneficial.
Calcium
Calcium is a crucial mineral for bone health, nerve function, and muscle contraction. While dairy products are a good source of calcium for carnivore dieters, those who do not consume dairy may be at risk of deficiency. Taking a calcium supplement or choosing a balanced electrolyte supplement that includes calcium can help ensure adequate intake.
Trace Minerals
In addition to the major minerals mentioned above, there are also trace minerals that are important for optimal health. These include selenium, zinc, and iron, which are found in meat but may be insufficient in a carnivore diet that lacks variety. Choosing a broad-spectrum mineral supplement that includes trace minerals can help fill in any nutritional gaps.
It is important to note that supplementation should not replace a varied diet. The carnivore diet already excludes many food groups, so it is crucial to consume a diverse range of animal foods to obtain as many nutrients as possible from whole food sources.
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Phytonutrients and antioxidants
The carnivore diet is a highly restrictive diet that consists of only meat, fish, and other animal foods, such as eggs and some dairy products. It is based on the controversial belief that human ancestral populations ate mostly meat and fish, and that high-carb diets are responsible for today's high rates of chronic disease.
The exclusion of so many food groups means that those on the carnivore diet may experience nutrient deficiencies. While animal foods are high in protein, B vitamins, iron, zinc, and other essential nutrients, they lack certain nutrients commonly found in plant foods. These include vitamin C, vitamin E, dietary fiber, calcium, potassium, magnesium, and beneficial plant compounds like polyphenols and plant sterols.
While some studies have shown that people who eat more vegetables and fruits have lower risks of several diseases, it is not clear whether this is due to the antioxidants in these foods, other components of these foods, or other factors in people's diets or lifestyles. Rigorous scientific studies have shown that antioxidant supplements do not help prevent chronic diseases such as cardiovascular disease, cancer, and cataracts. In fact, there is no evidence that antioxidant supplements, taken in isolation, have any health benefits.
Some animal studies have found that phytonutrients can extend the lifespan of various animal species, but these benefits have not been conclusively proven in humans. While phytonutrients and antioxidants are not essential for humans, some people may choose to supplement their carnivore diet with extracts of these compounds. However, it is important to note that dietary sources of these compounds are not likely to produce substantial health effects.
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Fibre
The carnivore diet, which consists of eating only animal-derived products, goes against traditional dietary advice, particularly the recommendation to consume enough fibre. Many health authorities recommend a "well-rounded" or balanced diet that includes fibre from various plant sources, such as fruits and vegetables. Fibre can contribute to digestive health and help lower the risk of certain chronic diseases.
However, the carnivore diet naturally results in zero fibre intake, which can be beneficial for certain people or during specific periods. While some people may experience improved symptoms from chronic conditions, others may face challenges and require adjustments to their diet to maintain nutritional balance and long-term health.
The exclusion of fibre from the diet can lead to constipation, which can be addressed through adequate hydration, sufficient fat intake, and physical activity. Increasing water intake can assist with the digestive process and compensate for the lack of fibre's water-binding effects. Consuming enough fats can help lubricate the intestines and facilitate smoother bowel movements, with sources such as fatty cuts of meat, butter, and eggs being beneficial.
If constipation persists, fibre supplements can be considered. It is recommended to opt for a fibre supplement that provides both soluble and insoluble fibres, such as psyllium husk, as each type plays a different role in digestive health. Methylcellulose is a synthetic fibre supplement that can help with constipation without adding carbs or plant matter to the diet. Bone broth can also aid in digestive health, providing a gelatinous substance that helps with the smooth movement of food through the digestive tract.
It is important to note that the decision to reintroduce fibre should be based on personal health responses and tolerance to different types of diets. Some individuals may find that they function best with a small amount of fibre, such as a modified carnivore diet, while others may choose to remain on a zero-fibre diet. Signs that fibre may need to be reintroduced include ongoing side effects such as dizziness or mood changes.
In summary, while the carnivore diet excludes fibre, it is important to monitor personal health responses and make adjustments as needed. Constipation can be addressed through various strategies, and fibre supplements can be considered if other approaches are ineffective. The decision to reintroduce fibre should be based on individual needs and tolerance.
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Frequently asked questions
The carnivore diet is beneficial for weight loss, muscle growth, mental acuity, and decreasing the risk of common health complications. It also eliminates potential irritants and antinutrients found in plant-based foods that can interfere with digestion and absorption.
The carnivore diet can be lacking in certain nutrients, so supplements can be helpful to fill these gaps. Supplements that are often recommended include multivitamins, electrolytes (magnesium, calcium, and potassium), fibre, vitamin C, vitamin E, calcium, and plant compounds like polyphenols and plant sterols.
Look for supplements that cover a broad range of minerals and electrolytes, especially those not abundantly found in animal products, like magnesium and potassium. Choose natural, non-GMO products without artificial additives or sweeteners. Also, ensure you're consuming a variety of animal foods, including organ meats, seafood, eggs, and dairy, to get a wider range of nutrients.
