Best Carnivore Diet Supplements: What to Take & Why

The carnivore diet focuses on meat, fish, and animal-based foods, eliminating plant-based ingredients. While this diet provides essential nutrients, some key vitamins and minerals may be lacking, depending on food variety and individual needs.

Supplements can help fill these gaps, supporting energy, digestion, and overall health. This guide covers the best supplements for the carnivore diet, explaining why they matter and how to choose the right ones.

Let’s explore what supplements you should take on a carnivore diet to optimize your health and performance.

What is the Carnivore Diet?

The carnivore diet is a meat-based eating plan that eliminates all plant foods. It focuses on animal products like beef, pork, fish, eggs, and dairy, providing high amounts of protein and healthy fats while cutting out carbohydrates completely.

Benefits of the Carnivore Diet

Many people adopt the carnivore diet for its health benefits, including weight loss, improved digestion, and reduced inflammation. Animal-based foods provide highly bioavailable vitamins and minerals, ensuring efficient nutrient absorption.

With zero carbohydrates, this diet helps regulate blood sugar, preventing energy crashes and cravings. The high protein content supports muscle growth, strength, and recovery, making it ideal for active individuals.

Additionally, eliminating processed foods and plant-based anti-nutrients may reduce bloating, joint pain, and autoimmune symptoms.

Lastly, the simplicity of eating only animal-based foods removes the stress of meal planning, making the carnivore diet both effective and convenient.

What Best Supplements Should I Take On Carnivore Diet?

en following a carnivore diet, supplementation is essential to ensure you're getting all the necessary nutrients that might be lacking from a meat-only regimen.

Below is a suggested list of key supplements that can support various aspects of health, from electrolyte balance to muscle performance, ensuring your body stays well-nourished and energized.

- Electrolyte Supplements: Help maintain hydration and balance electrolytes, preventing muscle cramps and fatigue.

- Fiber Supplements: Support digestion and gut health, compensating for the lack of fiber-rich foods.

- Magnesium Supplements: Vital for muscle relaxation, nerve function, and preventing magnesium deficiencies.

- Organ Supplements: Provide nutrient-dense organ meats, such as liver and heart, to support overall health.

- Beef Liver Supplements: A convenient source of vitamin A, B12, and iron without the need to cook organ meat.

- Vitamin C Supplements: Supplement to maintain immune function, as the carnivore diet lacks fruits and vegetables.

- Iodine Supplements: Essential for thyroid function, especially for those not consuming enough iodine-rich foods like seafood.

- Collagen Supplements: Supports skin, joint, and bone health, especially when connective tissue is limited on the diet.

- Potassium Supplements: Necessary for muscle function and electrolyte balance, often needed on the carnivore diet.

- Diarrhea Supplements: Probiotics or digestive enzymes to support gut health and prevent digestive discomfort.

- Workout Supplements: Enhance energy, performance, and recovery during physical activity on the carnivore diet.

- B12 Supplements: Ensure adequate levels of vitamin B12, which is vital for energy, brain function, and red blood cell production.

Learn more: The Best Multivitamin for a Carnivore Diet

Best Electrolyte Supplement for the Carnivore Diet

Electrolytes are essential minerals that regulate hydration, muscle function, and nerve signaling. When following a carnivore diet, electrolyte imbalances can occur, leading to fatigue, headaches, muscle cramps, and dizziness.

Why Electrolytes Are Important on a Carnivore Diet

Since the carnivore diet eliminates carbohydrates, insulin levels drop, causing the kidneys to excrete more sodium, potassium, and magnesium. This can result in electrolyte depletion, commonly known as the “keto flu.” Supplementing with electrolytes helps:

- Maintain proper hydration and prevent dehydration.

- Reduce muscle cramps and improve physical performance.

- Support heart and nerve function for overall well-being.

- Prevent fatigue and dizziness caused by mineral imbalances.

Choosing the Best Electrolyte Supplement

A high-quality electrolyte supplement should include:

- Sodium – Prevents dehydration and supports blood pressure regulation.

- Potassium – Maintains muscle contractions and nerve signaling.

- Magnesium – Supports muscle relaxation, energy production, and sleep.

- No added sugars or artificial ingredients – Many electrolyte drinks contain unnecessary additives that don’t align with the carnivore diet.

Learn more: Electrolyte Supplements for Carnivore Diet - Full Breakdown

Best Fiber Supplement for the Carnivore Diet

The carnivore diet eliminates all plant-based fiber, which can lead to digestive changes for some people. While fiber is not essential for everyone, some may experience constipation or irregular bowel movements when switching to an all-meat diet.

Do You Need Fiber on a Carnivore Diet?

Contrary to popular belief, fiber is not necessary for digestion. Many people on the carnivore diet find that gut health improves without fiber, as plant-based anti-nutrients and fermentable fibers can cause bloating and inflammation. However, some individuals may still benefit from added fiber, especially during the transition phase.

Benefits of a Fiber Supplement on a Carnivore Diet

- Supports healthy digestion for those adjusting to low-fiber eating.

- Eases constipation by adding bulk to stools.

- Feeds beneficial gut bacteria, improving overall microbiome health.

- Helps with bile regulation, aiding fat digestion.

Choosing the Best Fiber Supplement

For those needing extra support, the best fiber supplements for a carnivore diet should be:

- Animal-based (e.g., collagen, gelatin) instead of plant-based.

- Soluble fiber like psyllium husk (if tolerated) for gentle digestive support.

- Free from artificial additives and sugars that can cause bloating.

Learn more: Fiber Supplements on Carnivore Diet - The Essential Picks

Best Magnesium Supplements for the Carnivore Diet

Doctor’s Best High Absorption Magnesium

Doctor’s Best High Absorption Magnesium provides a superior form of magnesium for better absorption and effectiveness. It contains magnesium glycinate/lysinate, which is known for being highly bioavailable and gentle on digestion.

Unlike magnesium oxide, which is poorly absorbed and can cause digestive discomfort, this formulation ensures efficient magnesium uptake without laxative effects.

On a carnivore diet, where magnesium intake can be low, this supplement helps prevent muscle cramps, support nerve function, and improve sleep quality.

Magnesium also plays a critical role in reducing stress, promoting relaxation, and enhancing energy production, making it essential for optimal health.

One Earth Health Beef Kidney Supplement—100% Grass-Fed

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One Earth Health Beef Kidney Supplement is a rich, natural source of bioavailable magnesium, making it an excellent choice for carnivore dieters. Sourced from 100% grass-fed New Zealand cattle, it provides organ-based nutrition that supports electrolyte balance, muscle function, and kidney health.

Unlike synthetic supplements, it delivers magnesium in its natural form, alongside other essential minerals and enzymes.

Since kidney meat is particularly high in enzyme DAO, B vitamins, and trace minerals, this supplement also aids digestion, immune function, and energy metabolism.

It is free from artificial fillers, hormones, and additives, ensuring a clean, nutrient-dense addition to a carnivore lifestyle.

Carnivore Diet Organ Supplements

Carnivore diet organ supplements give people the benefits of eating nose-to-tail without needing to cook or prepare raw organs. These supplements usually come from grass-fed animals and include liver, heart, kidney, and more. They are rich in nutrients like vitamin A, B12, iron, and zinc.

For those on a carnivore diet, they help fill nutritional gaps and support energy, immunity, and overall health. They’re easy to take, shelf-stable, and ideal for anyone wanting the power of organs without the strong taste or texture.

Beef Liver Supplements on the Carnivore Diet

Solgar Desiccated Liver Tablets

Solgar Desiccated Liver Tablets offer pure, nutrient-rich beef liver in a convenient form, making it easy to get the benefits of this superfood without eating fresh liver.

Sourced from grass-fed, hormone-free cattle, this supplement is packed with bioavailable vitamin A, B vitamins, iron, and essential amino acids, all crucial for energy, muscle growth, and immune support.

Beef liver is an excellent source of heme iron, the most easily absorbed form of iron, helping prevent fatigue and anemia. The desiccation process preserves key nutrients, ensuring maximum potency.

Unlike synthetic vitamins, these whole-food nutrients are easily absorbed and utilized by the body, making this supplement an ideal choice for those on a carnivore diet.

One Earth Health Beef Liver Supplement—100% Grass-Fed Liver

This 100% grass-fed beef liver supplement is sourced from pasture-raised New Zealand cattle, ensuring clean, nutrient-dense organ nutrition.

Liver is a nutritional powerhouse, rich in vitamin A, B vitamins, iron, and trace minerals, all of which support energy metabolism, immune function, and overall well-being.

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Vitamin A plays a crucial role in vision, skin health, and immune defense, while B vitamins help support brain function, red blood cell production, and energy levels.

Unlike synthetic multivitamins, this whole-food supplement provides these nutrients in their natural, highly absorbable form.

The freeze-dried process preserves essential nutrients, ensuring that the full benefits of beef liver are retained. For those following a carnivore diet, this supplement offers a convenient way to get critical organ-based nutrition without the need for fresh liver consumption.

Vitamin C Supplements on the Carnivore Diet

Carlyle Grass-Fed Beef Liver Capsules

Carlyle Grass-Fed Beef Liver Capsules offer a natural, whole-food source of vitamin C, along with essential B vitamins, iron, and trace minerals.

Sourced from grass-fed, pasture-raised cattle, this supplement provides a clean and nutrient-dense option for those looking to support immune function, skin health, and overall vitality.

The freeze-dried process preserves the integrity of all nutrients, ensuring that vitamin C remains intact. Unlike synthetic supplements, this whole-food approach delivers vitamin C in a bioavailable form, helping enhance absorption and effectiveness.

One Earth Health Beef Liver Supplement—100% Grass-Fed Liver

This 100% grass-fed beef liver supplement is sourced from pasture-raised New Zealand cattle, providing natural vitamin C alongside key vitamins and minerals.

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Liver contains trace amounts of vitamin C, which, combined with its high levels of vitamin A, B vitamins, and iron, makes it a powerful addition to a carnivore diet.

Vitamin C is essential for collagen production, skin health, and immune defense, while B vitamins and iron support energy metabolism and red blood cell formation.

Unlike synthetic vitamin C supplements, this whole-food supplement delivers nutrients in their most absorbable form, ensuring optimal health benefits.

Carnivore Diet Iodine Supplements

NOW Supplements Kelp Capsules

NOW Supplements Kelp Capsules provide a potent, natural source of iodine, essential for thyroid hormone production and metabolic regulation. Sourced from Norwegian kelp, this supplement offers bioavailable iodine in a clean, easy-to-absorb form.

Kelp is one of the richest natural sources of iodine, making it a great choice for those following a carnivore diet with limited seafood intake.

This supplement supports thyroid function, energy levels, and overall hormonal balance, helping prevent fatigue and sluggish metabolism.

One Earth Health Beef Heart Supplement—100% Grass-Fed

This 100% grass-fed beef heart supplement is a natural source of iodine, CoQ10, and essential B vitamins, making it a powerful option for supporting thyroid function and cardiovascular health.

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Beef heart is one of the best organ meats for nutrient density, delivering bioavailable iodine along with iron, zinc, and selenium—all crucial for energy production and metabolic balance.

In addition to iodine, beef heart contains Coenzyme Q10 (CoQ10), a key antioxidant that enhances mitochondrial function and heart health. The freeze-dried process preserves all essential nutrients, ensuring maximum absorption.

Best Collagen Supplements for Carnivore Diet

Vital Proteins Collagen Peptides

Vital Proteins Collagen Peptides offer a highly bioavailable source of collagen derived from grass-fed, pasture-raised cattle.

This supplement provides Type I and III collagen, which are essential for joint flexibility, skin health, and strong hair and nails.

The hydrolyzed peptides ensure easy digestion and absorption, making this supplement an excellent choice for those looking to support their connective tissues without additional meal preparation. It mixes well with coffee, smoothies, or water, making it a convenient daily addition to a carnivore diet.

One Earth Health Premium Grass-Fed Beef Collagen Supplement

This 100% grass-fed beef collagen supplement is sourced from pasture-raised New Zealand cattle, ensuring pure, hormone-free, and nutrient-dense collagen.

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Packed with glycine, proline, and hydroxyproline, it helps strengthen joints, support gut health, and promote youthful skin.

Collagen plays a critical role in repairing and maintaining connective tissues, which is essential for those following a high-protein carnivore diet. The freeze-dried process preserves all essential amino acids, making it a highly absorbable and effective whole-food supplement.

Learn more: The Carnivore Diet and Hormonal Health in Women

Supplementing Fat on a Carnivore Diet

Bulletproof Brain Octane MCT Oil

Bulletproof Brain Octane MCT Oil is a high-quality, pure source of caprylic acid (C8 MCTs), a type of fat that rapidly converts into ketones for instant brain and body fuel.

Unlike other MCT oils, this formula is extracted from 100% coconut oil, ensuring purity and fast absorption.

MCT oil is ideal for those following a ketogenic or carnivore diet, as it enhances mental focus, fat metabolism, and sustained energy without crashes. It is also odorless and flavorless, making it easy to mix into coffee, bone broth, or meals.

For individuals looking to boost ketone production and optimize fat intake, Bulletproof Brain Octane MCT Oil is a superior choice.

One Earth Health Premium Grass-Fed Beef Collagen Supplement

While primarily known for joint and skin benefits, this grass-fed beef collagen supplement also provides a natural source of high-quality animal fats.

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Collagen helps balance fat intake by supporting connective tissue health while delivering essential amino acids like glycine and proline.

Sourced from pasture-raised New Zealand cattle, this supplement ensures clean, hormone-free nutrition. It is particularly beneficial for gut lining repair, joint flexibility, and maintaining satiety on a high-fat diet.

Carnivore Diet Potassium Supplements

Nature Made Potassium Gluconate

Nature Made Potassium Gluconate is a trusted supplement designed to support heart health, proper nerve signaling, and optimal muscle function.

Potassium gluconate is a highly absorbable form of potassium, making it an efficient way to maintain electrolyte balance on a low-carb diet.

This supplement is especially useful for those experiencing muscle cramps, fatigue, or fluid imbalances due to the diuretic effects of ketosis. It provides a gentle and easy-to-tolerate dose of potassium to support muscle recovery, hydration, and cardiovascular function.

One Earth Health Beef Bone Marrow and Cartilage Supplement

Beef bone marrow is a natural source of potassium, essential fats, and collagen, making it a nutrient powerhouse for those on a carnivore diet.

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This grass-fed beef bone marrow and cartilage supplement delivers bioavailable minerals, including potassium, calcium, and phosphorus, which are crucial for bone strength, joint support, and electrolyte balance.

Sourced from pasture-raised New Zealand cattle, this supplement is free of additives and fillers, ensuring pure, whole-food nutrition. It also provides gelatin and glycine, which help enhance gut health, improve skin elasticity, and support overall recovery.

Carnivore Diet Diarrhea Supplements

Florastor Probiotic

Florastor Probiotic contains Saccharomyces boulardii, a beneficial yeast that helps restore gut balance, strengthen the intestinal lining, and reduce diarrhea.

Unlike traditional bacterial probiotics, this strain survives stomach acid and works quickly to support digestion, boost immunity, and improve nutrient absorption.

Since the carnivore diet removes plant-based prebiotic fiber, gut flora may shift, leading to temporary digestive discomfort. Florastor helps replenish beneficial microbes, stabilizing bowel movements and preventing excessive fluid loss.

One Earth Health Beef Kidney Supplement—100% Grass-Fed

Beef kidney is a rich source of DAO (diamine oxidase), an enzyme that helps break down histamine and supports bile regulation for smoother digestion.

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This grass-fed beef kidney supplement provides essential enzymes and co-factors to enhance liver and kidney detoxification, reducing digestive distress.

Sourced from New Zealand pasture-raised cattle, this supplement is free of additives and artificial fillers, ensuring pure organ nutrition. It also contains key vitamins like B12 and selenium, which support gut health and overall well-being.

Workout Supplements on Carnivore Diet

Optimum Nutrition Amino Energy

Optimum Nutrition Amino Energy provides essential amino acids (EAAs) and branched-chain amino acids (BCAAs) to support muscle repair, endurance, and recovery.

Since the carnivore diet lacks plant-based amino acid sources, supplementing can help preserve muscle mass and fuel high-intensity workouts.

This formula also contains natural caffeine from green tea, providing a clean energy boost without carbs or sugar. It’s ideal for those who want enhanced focus, stamina, and reduced muscle breakdown while training on a carnivore diet.

One Earth Health New Zealand 100% Grass-Fed Sheep Thymus

Sheep thymus is a unique organ supplement rich in peptides, enzymes, and immune-supporting compounds that help with workout recovery and endurance.

Thymus extracts contain bioavailable proteins and co-factors that support energy metabolism, tissue repair, and overall immune function.

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Sourced from 100% grass-fed New Zealand sheep, this supplement is free of hormones, fillers, and artificial additives.

It helps reduce oxidative stress from intense training and supports immune resilience, which is essential for athletes following a strict carnivore diet.

Pre-Workout Supplements on Carnivore Diet

C4 Original Pre-Workout Powder

C4 Original Pre-Workout Powder is a high-energy formula designed to enhance endurance, strength, and mental clarity.

It contains beta-alanine to delay muscle fatigue, creatine nitrate to support power output, and caffeine for a clean energy boost.

For those on a carnivore diet, C4 is an excellent choice because it provides long-lasting energy without sugar or carbs. It helps improve workout intensity and focus, making it ideal for weightlifting, HIIT, and endurance training.

With its fast-absorbing formula, C4 ensures that your body is primed for peak performance without disrupting ketosis.

One Earth Health Premium Grass-Fed Beef Trachea Supplement

Beef trachea is a rich source of naturally occurring collagen, elastin, and glucosamine, which support joint health, flexibility, and recovery.

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For athletes on a carnivore diet, strong joints and connective tissue are crucial for sustaining intense training sessions.

Sourced from 100% grass-fed New Zealand cattle, this supplement provides bioavailable collagen and essential nutrients to support tendon and ligament health. Regular intake can reduce joint stiffness, improve mobility, and enhance post-workout recovery.

Creatine Supplements on Carnivore Diet

Optimum Nutrition Micronized Creatine

Optimum Nutrition Micronized Creatine delivers pure, fast-absorbing creatine monohydrate to support muscle strength, power, and endurance.

This supplement helps boost ATP levels, allowing for better energy output and faster recovery between sets.

The micronized formula ensures quick absorption and no stomach discomfort. It’s an unflavored, carb-free option, making it perfect for a carnivore diet without interfering with ketosis.

One Earth Health Beef Heart Supplement—100% Grass-Fed

Beef heart is naturally rich in creatine, CoQ10, and essential amino acids, making it a powerful whole-food alternative to synthetic creatine supplements.

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CoQ10 supports heart function and cellular energy, while creatine fuels muscle performance and recovery.

Sourced from 100% grass-fed New Zealand cattle, this supplement provides bioavailable nutrients essential for cardiovascular health, muscle endurance, and stamina. Regular intake can boost natural energy levels while supporting optimal athletic performance.

Learn more: The Link Between the Carnivore Diet and Breast Cancer

Best B12 Supplements for Carnivore Diet

Nature’s Bounty B12

Nature’s Bounty B12 provides high-potency B12 in a fast-dissolving tablet. This supplement supports energy metabolism, nervous system health, and cognitive function.

It’s an excellent choice for those who need an extra boost in energy levels or have absorption challenges.

The methylcobalamin form of B12 in these tablets ensures superior bioavailability, meaning your body can use it efficiently. It’s gluten-free, vegetarian-friendly, and free from artificial flavors.

One Earth Health Beef Heart Supplement—100% Grass-Fed

Beef heart is one of the richest natural sources of B12, along with CoQ10, iron, and essential amino acids.

This whole-food supplement provides bioavailable nutrients that support cardiovascular health, stamina, and energy production.

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Sourced from 100% grass-fed New Zealand cattle, this supplement offers a clean, nutrient-dense alternative to synthetic vitamins. Regular consumption enhances mitochondrial function, supports endurance, and promotes heart health.

Palm Kernel Oil in Supplements Carnivore Diet

Dr. Adorable Palm Kernel Oil

Dr. Adorable Palm Kernel Oil is cold-pressed, organic, and 100% pure. This high-quality oil retains its natural fatty acids to support ketosis, energy production, and gut health.

Unlike hydrogenated palm oils, this unrefined version provides MCTs that can help maintain steady energy and brain function. It’s also free from preservatives and artificial processing, making it a clean fat source for those on a carnivore diet.

One Earth Health Beef Liver Supplement—100% Grass-Fed

For those who prefer a whole-food alternative to processed fats, grass-fed beef liver is an excellent option.

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Packed with healthy fats, vitamin A, iron, and B vitamins, it provides essential nutrients that promote energy, immune function, and metabolic health.

This supplement is sourced from 100% pasture-raised New Zealand cattle, ensuring a clean, nutrient-dense addition to your diet. The freeze-drying process preserves all vital nutrients, making it a superior alternative to synthetic multivitamins.

Learn more: Beef Organ Supplements—100% New Zealand Grass-Fed

FAQs about Carnivore Diet Supplements

Do I really need supplements on a carnivore diet?

Not everyone needs supplements on a carnivore diet, but some may benefit from them. Depending on your food choices, you might lack electrolytes, omega-3s, vitamin C, or iodine. Supplements can help fill these gaps and prevent deficiencies.

What are the most essential supplements for carnivore dieters?

The most important supplements include electrolytes (sodium, potassium, magnesium), omega-3s, vitamin D, iodine, and collagen. These support hydration, energy, bone health, and joint function. Organ supplements are also popular for providing essential vitamins and minerals.

Can I get all my nutrients from meat alone?

A well-planned carnivore diet with nose-to-tail eating can provide most nutrients. However, modern diets often lack organ meats, seafood, and pasture-raised sources, which can lead to nutritional gaps. Supplements help ensure optimal health.

How do I prevent electrolyte imbalances on a carnivore diet?

To maintain balance, consume enough salt, potassium from meat or supplements, and magnesium. Drinking bone broth and staying hydrated also helps prevent fatigue, cramps, and dizziness.

Are organ supplements better than synthetic vitamins?

Yes, organ supplements provide bioavailable nutrients in their natural form, making them easier to absorb. Unlike synthetic vitamins, they come from real food sources and contain a balanced range of essential nutrients.