10 Serious side-effects of biotin on your health

10 Serious side-effects of biotin on your health

Biotin, also known as Vitamin H or B7, is a water-soluble vitamin responsible for growing thicker and longer hair, and for keeping the nervous system, eyes and liver in good working order. It also helps in cell metabolism and helps in foetal growth among pregnant women. It is found amply in eggs, fish, cauliflower, oats, dried fruits, whole grains, brewer’s yeast, etc. Read about¬†10 Serious side-effects of biotin on your health

Recommended dosage: Normal recommended dosage of biotin for individuals above the age of 18 is 30 mg. Pregnant women should not exceed taking 30 mg of biotin while breastfeeding mothers shouldn’t exceed 35 mg of biotin per day.

Here are some side-effects of biotin on our health:

1. Miscarriage:

If pregnant women take high doses of biotin, it can result in miscarriage. Talk to a medical professional before taking biotin while pregnant to ensure your safety.

2. Allergies:

People who take biotin can also suffer allergies. Allergic reactions could be itchy, chest pain, inflammation of the face and throat, tightness in the chest and nausea. You may like: Essential prenatal vitamins for hair growth

3. Frequent urination:

A higher biotin increase leads to the need to urinate often. Unusual amount of perspiration is also common due to exceptionally high dosages of biotin.

4. Acne:

An overdose of biotin in the system can lead to cystic acne on the jaw line and chin. Though the connection between the two is unknown, yet it has been observed that the acne due to this goes away a few weeks after biotin has been taken last. To reduce the risk of contracting acne, it helps to drink a lot of water when taking supplements of biotin.

5. Drug interaction:

High dosages of biotin are known to interact with anti-seizure medications by affecting the efficiency of these drugs. It also affects the efficiency of cholesterol medication and increase serum glucose levels by enhancing fatty acids. Biotin also has a negative impact on diabetes symptoms. If you take cholesterol or diabetes medication or anticonvulsants, biotin can have an adverse impact on your symptoms.

10 Serious side-effects of biotin on your health6. Eosinophilic Pleuropericardial Effusion:

This is a very rare condition caused by biotin overdose. As a result, blood and air fill up the pleural cavity, near the lungs. This caused a huge pulmonary infection, which made it a life-threatening condition.

7. Diarrhoea:

Those who take a high dosage of biotin supplements often suffer from diarrhoea and abdominal cramps. When such symptoms are observed, it is advisable to stop taking biotin supplements immediately.

8. Acute Respiratory Problems:

An overdose of biotin leads to anaphylaxis or acute respiratory problems. If you experience this, consult your doctor immediately.

9. Nausea:

Those who unintentionally take an overdose of biotin usually experience mild nausea in the early stages. Over time, this symptom goes away.

10. Diabetes:

If you are on diabetes medication, you may also experience certain health complications when you begin taking biotin supplements. Biotin interacts with diabetes medicine, thereby stopping insulin absorption in the body. Biotin increases glucose and fatty acid production in the body.


Biotin side-effects are known to occur in those who are on an overdose of this vitamin as their systems may not respond positively to any extra intake of biotin. It may also interact with other medicines, one takes that could cause physical discomfort.

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