Biotin (vitamin B7)

Vitamin
ALSO SOLD WITHOUT PRESCRIPTION

Biotin is a vitamin found in 1 medicine sold in India, such as Keraglo Men. Below: what it is for, how it works, how to take it, side effects, interactions and pregnancy advice.

Also called: vitamin b7, vitamin h

What it is used for

Taken for hair and nail health.

How it works

Vitamin B7, needed for fat and sugar metabolism; marketed for hair and nails, though benefit is proven only in true deficiency.

How to take it

Usually 30 mcg to 5 mg a day; high doses are common in hair supplements.

Common side effects

Usually none

Get medical help straight away if

Unexpected blood test results (high doses interfere with thyroid, heart and hormone tests)

Be careful

High doses can falsely change some blood test results (thyroid, heart tests): tell the lab you take it.

Other medicines and interactions

Stop biotin 2 to 3 days before blood tests, especially thyroid and troponin tests.

Pregnancy and breastfeeding

Usual doses are fine; avoid very high doses in pregnancy.

Combination medicines that contain Biotin (1)

Keraglo Men

Common questions

What is Biotin used for?

Taken for hair and nail health.

How does Biotin work?

Vitamin B7, needed for fat and sugar metabolism; marketed for hair and nails, though benefit is proven only in true deficiency.

How should I take Biotin?

Usually 30 mcg to 5 mg a day; high doses are common in hair supplements.

What are the side effects of Biotin?

Common: Usually none. Get help straight away for: Unexpected blood test results (high doses interfere with thyroid, heart and hormone tests).

Does Biotin interact with other medicines?

Stop biotin 2 to 3 days before blood tests, especially thyroid and troponin tests.

Is Biotin safe in pregnancy and breastfeeding?

Usual doses are fine; avoid very high doses in pregnancy.

Does Biotin need a prescription in India?

It is usually sold without a prescription in India, but ask a pharmacist if you take other medicines or have a long-term illness.

Which brands contain Biotin?

Keraglo Men.

Sources and further reading

NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.

Last reviewed 31 October 2026. Written by Satya Babu from standard prescribing information.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.