A Detailed Guide On Biotin Rich Foods

Shweta kumari

June 10, 2023

Biotin, also known as vitamin B7 or vitamin H, is a vital nutrient that plays a crucial role in maintaining our overall health and well-being. This water-soluble vitamin is involved in several metabolic processes in the body, including the breakdown and utilisation of carbohydrates, fats, and proteins. Not only does biotin contribute to energy production, but it also supports the health of our hair, skin, and nails, regulates blood sugar levels, and promotes proper neurological function.

In this article, we will explore the world of biotin rich foods and their significance in ensuring an adequate intake of this essential vitamin. We will delve into the diverse array of natural sources that contain biotin, providing you with a comprehensive understanding of the foods you can incorporate into your diet to boost your biotin levels.

Moreover, we will discuss the symptoms and causes of biotin deficiency, emphasizing the importance of meeting your daily biotin requirements. While biotin deficiency is rare, recognizing its signs and knowing the risk factors can help you take proactive steps to maintain optimal biotin levels.

Health Benefits of Biotin 

Energy Production

Biotin is essential for converting carbohydrates, fats, and proteins into energy that the body can utilise. It acts as a cofactor for several enzymes involved in these metabolic pathways, facilitating the breakdown of macronutrients and the release of energy. Adequate biotin levels ensure efficient energy production, which is crucial for supporting physical activity, organ function, and overall vitality.

Hair, Skin, and Nails

Research associates proper biotin consumption with promoting healthy hair, skin, and nails. It is a key component of keratin, a protein that forms the structural basis of these tissues. Biotin helps strengthen hair strands, enhance skin elasticity and moisture retention, and promote strong and resilient nails. Insufficient biotin levels may lead to brittle hair, dull skin, and fragile nails.

Metabolism of Amino Acids

As per studies, biotin is involved in the metabolism of amino acids, which are the building blocks of proteins. It assists in the conversion of amino acids into usable forms, enabling protein synthesis and maintaining proper cellular function. Proteins are essential for the growth, repair, and maintenance of tissues, as well as the production of enzymes, hormones, and antibodies. Adequate biotin levels support a healthy metabolism of amino acids, ensuring optimal protein utilisation.

Blood Sugar Regulation

Biotin plays a role in the metabolism of glucose, the primary source of energy for the body. It assists in the breakdown of carbohydrates and the regulation of blood sugar levels. Biotin helps activate enzymes involved in glucose metabolism, facilitating the efficient utilization of glucose and maintaining stable blood sugar levels. This is particularly important for individuals with diabetes or those at risk of developing insulin resistance.

Neurological Function

According to research biotin is involved in the synthesis of neurotransmitters, which are chemical messengers that transmit signals between nerve cells. These neurotransmitters play a crucial role in maintaining proper brain function, cognitive processes, mood regulation, and overall neurological health. Biotin deficiency can potentially affect neurological function and lead to symptoms such as depression, lethargy, and cognitive impairments.

Pregnancy and Fetal Development

Biotin is essential during pregnancy as it supports embryonic growth and development. Studies say that it plays a role in the formation of the fetal nervous system and assists in the production of genetic material (DNA and RNA). Adequate biotin levels are important for the proper development of the baby’s organs and tissues, emphasizing the significance of maintaining optimal biotin intake during pregnancy.

Fatty Acid Synthesis

Biotin is necessary for the synthesis of fatty acids, which are essential components of cell membranes and play a role in various physiological processes. Biotin helps activate enzymes involved in fatty acid synthesis, ensuring an adequate supply of these crucial molecules. Maintaining sufficient biotin levels supports healthy cell function and contributes to overall lipid metabolism.

Immune System Function

Biotin plays a role in supporting a healthy immune system. Scientific findings suggest that it helps in the production of antibodies, which are proteins that play a crucial role in defending the body against pathogens and foreign invaders. Adequate biotin levels contribute to optimal immune response, helping the body fight infections and maintain overall immune system function.


Biotin is essential for various bodily functions. It is involved in energy production, and metabolism of carbohydrates, fats, and proteins, and plays a crucial role in maintaining healthy hair, skin, and nails. Biotin supports the metabolism of amino acids, regulates blood sugar levels, aids in neurological function, contributes to fetal development during pregnancy, and assists in fatty acid synthesis. Additionally, biotin plays a role in immune system function. Ensuring sufficient biotin intake is important for overall vitality and optimal physiological processes.

Signs of Biotin Deficiency

Hair Loss

One of the most noticeable signs of biotin deficiency is hair loss or thinning hair. Research shows that individuals with low biotin levels may experience gradual hair loss or hair becoming brittle and prone to breakage. Hair loss can occur on the scalp or even in other areas of the body, such as eyebrows or eyelashes.

Skin Issues

It has been proven by research that biotin deficiency can contribute to various skin problems. Individuals may experience dryness, redness, rashes, dermatitis, or fungal infections. The skin may become dry, itchy, and scaly. In some cases, a characteristic rash called seborrheic dermatitis may develop, affecting areas rich in oil glands, such as the face, scalp, and upper chest.

Brittle Nails

Biotin deficiency can cause nails to become weak, brittle, and prone to breaking easily. Nails may appear thin and may develop ridges, become discoloured, or show signs of slow growth. They may also become more susceptible to fungal infections.

Neurological Symptoms

Biotin is involved in maintaining healthy nerve function. Deficiency can lead to neurological symptoms, although these are relatively rare. In severe cases of biotin deficiency, individuals may experience symptoms such as numbness or tingling sensations in the extremities (hands and feet), muscle weakness, and even seizures. These neurological symptoms typically occur in conjunction with other signs of severe biotin deficiency.


Biotin deficiency may contribute to conjunctivitis, commonly known as pink eye as stated in this study. This condition causes inflammation, redness, and discharge in the eyes. Conjunctivitis associated with biotin deficiency typically resolves with biotin supplementation or adequate dietary intake of biotin-rich foods.

Fatigue and Lethargy

Inadequate biotin levels can result in general fatigue, lack of energy, and feelings of weakness or lethargy. Individuals may experience a decrease in overall stamina and may find it difficult to engage in physical activities or maintain focus and concentration.


Biotin deficiency can manifest through various signs and symptoms. Hair loss or thinning, along with brittle nails, are common indicators of low biotin levels. Skin problems such as dryness, redness, rashes, and seborrheic dermatitis may also arise. Neurological symptoms like numbness, tingling, muscle weakness, and even seizures can occur in severe cases. Conjunctivitis, or pink eye, may be associated with biotin deficiency. Fatigue, lethargy, and a decrease in overall energy levels can also be experienced. Recognizing these signs can prompt individuals to address their biotin status through dietary adjustments or supplementation.

Causes Of Biotin Deficiency 

Inadequate Dietary Intake

Biotin is naturally present in various foods, but a diet lacking biotin-rich sources can result in deficiency over time. While biotin deficiency is relatively rare, individuals with highly restrictive diets or those who consume unbalanced diets with limited variety may be at a higher risk. Foods rich in biotin include egg yolks, liver, nuts, seeds, legumes, whole grains, and certain fruits and vegetables.

Gastrointestinal Disorders

Certain gastrointestinal conditions can impair the absorption of biotin and other nutrients, leading to deficiency. Conditions such as Crohn’s disease, celiac disease, or inflammatory bowel disease can damage the lining of the intestines, reducing the body’s ability to absorb nutrients properly, including biotin.

Prolonged Antibiotic Use

Long-term use of antibiotics can disrupt the natural balance of gut bacteria. Biotin-producing bacteria in the gut may be affected, reducing the body’s ability to synthesize biotin. This can lead to decreased biotin availability and potential deficiency. It’s important to note that short-term antibiotic use is unlikely to cause significant biotin deficiency.

Genetic Disorders

Rare genetic disorders can impair the body’s ability to process or utilize biotin effectively, leading to chronic biotin deficiency. Two examples of such disorders are biotinidase deficiency and holocarboxylase synthetase deficiency. In biotinidase deficiency, the enzyme responsible for recycling biotin within the body is deficient, leading to impaired biotin utilization. Holocarboxylase synthetase deficiency affects the enzyme that activates biotin for use in various metabolic processes.

Pregnancy and Lactation

Biotin requirements increase during pregnancy and breastfeeding. Insufficient intake or increased demand can contribute to biotin deficiency during these periods. While the body has some capacity to recycle biotin, the increased need during pregnancy and lactation may require additional biotin intake through the diet or supplements to prevent deficiency.

Certain Medications

Certain medications can interfere with biotin absorption or metabolism, potentially leading to deficiency. For example, long-term use of anticonvulsant medications like phenytoin or carbamazepine may interfere with biotin absorption. Additionally, the acne medication isotretinoin (Accutane) may affect the body’s utilization of biotin.


Inadequate dietary intake, gastrointestinal disorders, prolonged antibiotic use, genetic disorders, pregnancy and lactation, and certain medications can all contribute to biotin deficiency. Diets lacking in biotin-rich foods, gastrointestinal conditions impairing nutrient absorption, long-term antibiotic use disrupting gut bacteria, genetic disorders affecting biotin utilization, increased biotin requirements during pregnancy and breastfeeding, and medications interfering with biotin metabolism can all lead to insufficient biotin levels. Awareness of these factors and ensuring proper biotin intake through diet or supplements is important for preventing biotin deficiency.

Biotin Rich Foods

Including biotin-rich foods in your diet is a great way to ensure an adequate intake of this essential vitamin. Here are some foods that are good sources of biotin:

  1. Eggs: Egg yolks are one of the richest sources of biotin. Consuming cooked eggs can provide a significant amount of biotin, along with other essential nutrients.
  1. Liver: Organ meats, especially liver, are excellent sources of biotin. Beef liver and chicken liver are particularly high in biotin content.
  1. Nuts and Seeds: Various nuts and seeds contain biotin. Almonds, peanuts, walnuts, sunflower seeds, and flaxseeds are good options to consider.
  1. Legumes: Legumes, such as lentils, chickpeas, and black beans, are not only a good source of plant-based protein but also provide biotin.
  1. Fish: Some types of fish are rich in biotin. Salmon, trout, and sardines are examples of fish that contain biotin as well as other beneficial omega-3 fatty acids.
    Read More: Best Types of Fish to Eat and Avoid
  1. Dairy Products: Dairy products like milk, cheese, and yoghurt contain biotin. Opt for low-fat or Greek yoghurt to maximize your biotin intake.
  1. Sweet Potatoes: Sweet potatoes are not only a nutritious source of carbohydrates but also provide biotin. They can be enjoyed in various ways, such as baked, roasted, or mashed.
    Read More: Healthy Sweet Potatoes Recipes
  1. Mushrooms: Certain types of mushrooms, including shiitake and portobello mushrooms, contain biotin and can be incorporated into a range of dishes.
  1. Spinach: Leafy greens like spinach are packed with nutrients, including biotin. Add spinach to salads, smoothies, or sauté it as a side dish.
  1.  Whole Grains: Whole grains, such as oats, barley, and brown rice, contain biotin. Opting for whole grain products instead of refined grains can increase your biotin intake.
  1.  Avocados: Avocados are not only delicious but also a good source of biotin. Enjoy them sliced on toast, in salads, or as a creamy addition to various dishes.
  1.  Bananas: Bananas are a convenient and nutritious snack that contains biotin. They are also a great source of potassium and fibre.
  1.  Berries: Berries such as strawberries, raspberries, and blueberries provide biotin along with antioxidants and other essential nutrients. Enjoy them fresh or add them to smoothies, yoghurt, or oatmeal.
  1.  Cauliflower: This cruciferous vegetable is not only versatile but also a good source of biotin. Enjoy it roasted, steamed, or as a low-carb substitute for rice or mashed potatoes.
  1.  Broccoli: Another nutrient-rich vegetable, broccoli, contains biotin. It can be steamed, stir-fried, or added to salads and soups.
  1.  Carrots: Carrots are not only a great source of beta-carotene but also provide biotin. Enjoy them raw as a snack, or include them in salads, stir-fries, or soups.
  1.  Chicken: Poultry, such as chicken, is a good source of biotin. Opt for lean cuts of chicken and incorporate it into various dishes like grilled chicken breast, chicken stir-fries, or roasted chicken.
  1.  Pork: Pork is another meat option that contains biotin. Choose lean cuts and enjoy pork chops, tenderloin, or ground pork in your meals.
  1.  Oysters: Oysters are a seafood option that provides biotin. They are also rich in zinc and other important minerals. Enjoy them raw, grilled, or in seafood dishes.
  1.  Soy Products: Soy-based foods like tofu and tempeh contain biotin. These plant-based options are also high in protein and can be used in a variety of recipes.

Best Cooking Methods to Preserve Biotin Content

  1. Steam or lightly cook: To retain the maximum biotin content in foods, it is recommended to steam or lightly cook them. This helps to minimize the loss of water-soluble nutrients like biotin. Avoid overcooking or boiling foods for extended periods, as this can lead to nutrient loss.
  1. Raw or minimally processed: Some biotin-rich foods are best consumed raw or in minimally processed forms. For example, incorporating raw vegetables like spinach, carrots, or mushrooms into salads or enjoying fresh fruits like berries can help preserve their biotin content.
  1. Roasting and baking: When roasting or baking biotin-rich foods, use lower temperatures and shorter cooking times. This helps to minimize nutrient degradation. Roasting vegetables like cauliflower, sweet potatoes, or broccoli can be a flavorful way to enjoy them while retaining their biotin content.
  1. Avoid excessive frying: Deep-frying foods can lead to significant nutrient loss, including biotin. If you prefer frying, use minimal oil and avoid prolonged cooking times to minimize nutrient degradation.

Pairing Biotin-Rich Foods for Enhanced Absorption

  1. Include sources of healthy fats: Biotin is a fat-soluble vitamin, so consuming it with sources of healthy fats can enhance its absorption. For example, adding avocado slices or drizzling olive oil over a salad with biotin-rich vegetables can improve the absorption of biotin.
  1. Pair with vitamin C-rich foods: Vitamin C aids in the absorption of various nutrients, including biotin. Incorporating foods high in vitamin C, such as citrus fruits, berries, or bell peppers, with biotin-rich foods can enhance biotin absorption. Consider adding a squeeze of lemon juice to dishes or enjoying a fruit salad with biotin-rich fruits.
  1. Combine with protein-rich foods: Protein can assist in the transportation and absorption of certain vitamins and minerals. Pairing biotin-rich foods with protein sources like eggs, lean meats, or legumes can optimize the absorption of biotin.
  1. Consider fermented foods: Fermented foods contain probiotics that support a healthy gut microbiome. Since biotin production by gut bacteria contributes to overall biotin levels, consuming fermented foods like yoghurt or sauerkraut can potentially enhance biotin availability in the body.

HealthifyMe Suggestion 

Biotin is a B vitamin that is essential for carbohydrate, lipid, and protein metabolism. It benefits health in a variety of ways. The body produces adequate biotin on its own through dietary consumption. Biotin deficits are uncommon, however, they can result in brittle skin, hair, and nails. Biotin (vitamin B7) is present in foods such as eggs, milk, nuts, seeds, and whole grains. For best health, it’s always a good idea to consume a balanced, healthy diet of nonprocessed or lightly processed foods.


In conclusion, biotin is a crucial vitamin necessary for various bodily functions, including energy metabolism and maintaining healthy hair, skin, and nails. Biotin deficiency, though rare, can lead to symptoms such as hair loss, skin issues, and fatigue. Incorporating biotin-rich foods like eggs, liver, nuts, seeds, and legumes into the diet is essential for ensuring an adequate intake. Additionally, pairing biotin-rich foods with sources of healthy fats, vitamin C, and protein can enhance biotin absorption. Overall, a balanced diet with biotin-rich foods is key to supporting optimal health and well-being. 

Disclaimer: The purpose of this article is just to disperse knowledge and raise awareness. It does not intend to replace medical advice from professionals. For further information please contact our certified nutritionists Here

Frequently Asked Questions (FAQs)

How much biotin is in 10 almonds? 

Ten almonds typically contain around 0.5 to 0.75 micrograms of biotin. Almonds are a good source of biotin and can contribute to your daily intake of this vitamin.

How much biotin is in eggs?

One large egg contains approximately 10 micrograms of biotin. Eggs are considered a significant source of biotin and can provide a substantial portion of your daily biotin requirement.

Can I take biotin without consulting a doctor? 

Biotin is generally considered safe for most people when taken in appropriate doses. It is available as an over-the-counter supplement in various forms. However, it is recommended to consult with a healthcare professional before starting any new supplement, including biotin, especially if you have any pre-existing medical conditions or are taking other medications.

Is biotin safe to take daily? 

Biotin is generally safe to take daily within the recommended dosage range. The recommended dietary allowance (RDA) for biotin varies depending on age and life stage, but for adults, it is typically around 30 micrograms per day. However, some individuals may require higher doses for specific medical conditions. It’s important to follow the recommended dosage and consult with a healthcare professional if you have any concerns.

What is biotin used for? 

Biotin is used for various purposes. It is primarily known for its role in promoting healthy hair, skin, and nails. It also plays a crucial role in energy metabolism, carbohydrate, fat, and protein metabolism, and maintaining overall cellular health. Biotin supplements are sometimes used to support healthy hair growth, improve nail strength, and manage certain medical conditions associated with biotin deficiency. However, it’s important to note that the effectiveness of biotin for these purposes can vary among individuals.

Reference Links

  1. Biotin:
  1. Importance of biotin metabolism:
  1. B Vitamins and the Brain: Mechanisms, Dose and Efficacy—A Review:
  1. Serum biotin level during pregnancy is associated with fetal growth and preterm delivery:
  1. Biotin deficiency enhances the inflammatory response of human dendritic cells:,proinflammatory%20cytokine%20secretion%20from%20DCs.
  1. Serum Biotin Levels in Women Complaining of Hair Loss:
  2. Biotin Deficiency:,to%20that%20of%20zinc%20deficiency.

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