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Biotin-rich foods

The top 10 biotin-rich foods

Biotin is a B vitamin that supports various aspects of your health. Here are the top 10 biotin-rich foods.

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The top 10 biotin-rich foods
Last updated on June 1, 2023, and last reviewed by an expert on June 6, 2022.

Biotin is a B vitamin that helps your body convert food into energy.

The top 10 biotin-rich foods

Also called vitamin H or vitamin B7, it’s important for eye, hair, skin, and brain function. It may also support liver function.

Biotin is a water-soluble vitamin, which means that your body doesn’t store it. As a result, you need to consume it regularly to maintain adequate levels.

Biotin deficiency is so rare that there isn’t enough evidence to establish a recommended daily allowance or estimated average requirement for it. However, the daily value for biotin is typically around 30 mcg per day.

While biotin is available as a supplement, most people can get all they need by eating a varied diet.

Here are the top 10 biotin-rich foods.

1. Egg yolks

Eggs are full of B vitamins, protein, iron, and phosphorus. The yolk is an especially rich source of biotin.

A whole, cooked egg (50 grams) provides approximately 10 mcg of biotin or approximately 33% of the daily value.

You should always cook eggs fully, both to reduce your risk of Salmonella poisoning and improve biotin absorption. Egg whites contain a protein called avidin, which can interfere with biotin absorption if eaten raw.

Eggs can be hard-boiled, scrambled, or used to make baked goods like muffins or waffles.

Summary: Cooked whole eggs are a good source of biotin due to the yolk, which is rich in several B vitamins.

2. Legumes

Legumes like peas, beans, and lentils are high in protein, fiber, and numerous micronutrients. Some of the richest sources of biotin in this category are peanuts and soybeans.

A 1-ounce (28-gram) serving of roasted peanuts contains just under 5 mcg of biotin or 17% of the daily value.

One study on the biotin content of popular Japanese foods found 19.3 mcg of biotin — 64% of the daily value — in a 3/4-cup (100-gram) serving of whole soybeans.

Legumes are typically boiled and used as a base for entrées and salads or incorporated into stir-fries or baked dishes.

Summary: Legumes, especially peanuts and soybeans, are a good source of biotin. They’re also high in protein, fiber, and other vitamins and minerals.

3. Nuts and seeds

Nuts and seeds are a good source of fiber, unsaturated fat, and protein. Most also provide biotin, but the amount tends to vary by type.

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A 1/4-cup (20-gram) serving of roasted sunflower seeds offers 2.6 mcg of biotin, or 10% of the daily value, while 1/4 cup (30 grams) of roasted almonds contains 1.5 mcg or 5% of the daily value.

Nuts and seeds can be enjoyed raw, tossed into salads, mixed into pasta dishes and stir-fries, or blended into homemade nut and seed kinds of butter.

Summary: Eating a variety of nuts and seeds is a good way to raise your biotin intake. Sunflower seeds and almonds are especially good sources.

4. Liver

Certain organ meats, especially the liver, are high in biotin. This makes sense biologically, as most of your body’s biotin is stored in your liver.

Just 3 ounces (75 grams) of cooked beef liver provides nearly 31 mcg of biotin or 103% of the daily value.

Cooked chicken liver is an even richer source, packing 138 mcg per 3-ounce (75-gram) serving — a whopping 460% of the daily value.

Some people enjoy liver fried with onions, minced into homemade burger patties, or chopped and cooked to top pasta dishes.

Summary: While the liver isn’t one of the most popular foods, it’s one of the best sources of biotin. A standard serving of chicken and beef liver each provides over 100% of the daily value.

5. Sweet potatoes

Sweet potatoes are full of vitamins, minerals, fiber, and carotenoid antioxidants. They’re also one of the best vegetable sources of biotin.

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A 1/2-cup (125-gram) serving of cooked sweet potatoes contains 2.4 mcg of biotin or 8% of the daily value.

Sweet potatoes can be baked or microwaved until soft. You can also peel, boil, and mash them or add them to homemade veggie burger patties.

Summary: Sweet potatoes are a great vegetable source of biotin, with 1/2 cup (125 grams), cooked, meeting 8% of the daily value.

6. Mushrooms

Mushrooms are nutrient-rich fungi that offer several health benefits, including ample biotin. Their high biotin content protects them from parasites and predators in the wild.

Approximately 20 caps (120 grams) of canned button mushrooms contain 2.6 mcg of biotin, which is nearly 10% of the daily value.

A 1-cup (70-gram) serving of chopped, fresh button mushrooms boasts 5.6 mcg or 19% of the daily value.

Canned mushrooms work well over noodles, atop homemade pizzas, and in sauces and gravies, while fresh mushrooms can also be stuffed and baked, sautéed, or added to salads.

Summary: Canned and fresh mushrooms are a good source of biotin and easy to add to numerous dishes.

7. Bananas

Bananas are one of the most popular fruits worldwide. They’re packed with fiber, carbs, and micronutrients like B vitamins, copper, and potassium.

One small banana (105 grams) also provides approximately 0.2 mcg of biotin or 1% of the daily value.

They’re most often eaten on their own, but you can also add them to smoothies, spread nut butter on them, or freeze them to make non-dairy ice cream.

Summary: Bananas are a sweet, nutritious, and popular snack, and they also provide small amounts of biotin.

8. Broccoli

Broccoli is one of the most nutrient-dense vegetables, as it’s full of fiber, calcium, and vitamins A and C.

It’s also a good source of biotin. Just 1/2 cup (45 gram) of raw, chopped broccoli contains 0.4 mcg or 1% of the daily value.

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You can enjoy it raw with hummus or dip, steamed, roasted with olive oil and seasoning, blended into soups, or sautéed and added to pasta and casseroles.

Summary: Broccoli provides small amounts of biotin and is rich in several other nutrients, including calcium and vitamins A and C.

9. Yeast

Both nutritional yeast and brewer’s yeast provide biotin, but specific amounts vary by brand.

Brewer’s yeast also called dry active yeast, is used to brew beer and leaven bread. Conversely, nutritional yeast is an inactive yeast that’s often used to make non-dairy cheese.

Nutritional yeast may contain up to 21 mcg of biotin, or 69% of the daily value, per 2 tablespoons (16 grams).

On the other hand, a standard 2.25-teaspoon (7-gram) packet of active dry yeast used for baking provides 1.4 mcg of biotin or 5% of the daily value.

Summary: Nutritional and active dry yeast, which are used as a food flavoring and in baking, respectively, are both good sources of biotin.

10. Avocados

Avocados are best known as a good source of folate and unsaturated fats, but they’re also rich in biotin.

A medium avocado (200 grams) contains at least 1.85 mcg of biotin or 6% of the daily value.

Avocados can be eaten raw, mashed onto toast, stirred into guacamole, and sliced to top salads, taco soup, and burritos.

Summary: Avocados, which are commonly used to make guacamole, are particularly rich in healthy fats, as well as biotin.


Biotin is a water-soluble B vitamin that your body needs to obtain from food. Deficiency is rare and can be avoided by eating biotin-rich foods.

Some of the best sources of biotin include legumes, egg yolks, organ meats, nuts, seeds, mushrooms, avocados, sweet potatoes, and yeast.

Biotin supplements are available as well, but most people can get all of the biotins they need by eating a balanced diet.

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