Medicines & Supplements A to Z > Vitamin B7 (Supplement)

Vitamin B7 (Supplement)

Last updated on 18/03/2021.

Overview   |   Dosage   |    Side Effects   |   Precautions  |   Tips  |   Where To Buy  

GENERIC NAME: Biotin / Vitamin H / Vitamin B7 / Vitamin Bw / Coenzyme R

CHINESE NAME: 維他命B7 / 生物素

BRAND NAME(S) IN HONG KONG: Actionvit, B Complex 50, Centrum Junior, Nature’s Way

DRUG CLASS: Vitamin (water soluble)

USED FOR: Dietary supplementation 

OTHER DRUGS IN THE SAME CLASS: Vitamin B complex, Vitamin C, Folic Acid

– 10000mcg (capsules)

What is Vitamin B7 for?

Vitamin B7  is a vitamin that converts the food you eat into energy in your body. It is also responsible for gene regulation and cell signaling. The adequate intake (AI) of Vitamin B7 to ensure no deficiency for adults is 30 mcg per day. You should only take a Vitamin B7 supplement when you have a Vitamin B7 deficiency, which is quite rare, or are unable to take sufficient Vitamin B7 from your diet. Symptoms of Vitamin B7 deficiency include thinning of hair and skin, brittle nails and red rashes.

How to use it?

Vitamin B7 are usually taken by mouth in tablets. The usual adult dose is one tablet daily (30-3000 mcg per day). For specific dosages, refer to the product label.

What are the side effects of Vitamin B7?

Vitamin B7 is water-soluble and accumulation in the body is unlikely. It has no potential side effects. If you experience side effects, tell your doctor or pharmacist immediately.

Who should not take Vitamin B7?

No specific situation or population in which Vitamin B7 should not be used are reported.

Pharmacist Tips:

It is always highly recommended to get nutrients like Vitamin B7  from natural sources first. Vitamin B7 is present in many foods including organ meats (e.g. beef liver), meat, fish, seeds and nuts, eggs and vegetables.

Common dosing schedule:
You can take Vitamin B7 with or without meals. 

This schedule is for reference only, adjustments may be made according to individual needs.

Some common medications Vitamin B7 may interact with:
Vitamin B7 does not have known significant drug interactions. 

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Vitamin B7 in Hong Kong?

In Hong Kong, Vitamin B7 supplements can be purchased without a prescription from any retail outlet in Hong Kong. This includes grocery stores, convenience stores, medicine shops, and pharmacies. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health. 

For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at

Need more information?

For detailed information about the use of Vitamin B7 in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.