Medicines & Supplements A to Z > Astaxanthin


Last updated on 30/07/2021.

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

GENERIC NAME: Astaxanthin


BRAND NAME(S) IN HONG KONG: PipingRock, Brands 白蘭氏, California Gold Nutrition

DRUG CLASS: Supplements

SUB CLASS: Carotenoids

USED FOR: Dietary supplementations

– 12mg (capsules)

What is Astaxanthin for?

Astaxanthin is a carotenoid, which is related to vitamin A and beta-carotene. It is used as a pigment for some fishes. It is claimed to be antioxidizing and can treat various diseases, such as age-related vision loss, carpal tunnel syndrome, indigestion and muscle damage. However, these findings are yet to be proved.

How to use it?

Astaxanthin is available in capsules for oral use. Ask your medical professionals and check the drug inserts for detailed information.

What are the side effects of Astaxanthin?

Common side effects of Astaxanthin include increased bowel movement, red stool and abdominal pain.

Who should not take Astaxanthin?

– People who are allergic to astaxanthin or any components of the formulation.
– Pregnant and breastfeeding women

Pharmacist Tips:

– Astaxanthin cannot replace any medications.
– Although it is available over-the-counter, it is advised to consult your medical professional if you have any diseases.
– The effect of Astaxanthin as a supplement is not fully understood.

Common dosing schedule:
Please refer to your medical professionals and drug insert.

Some common medications Astaxanthin may interact with:
– There are no reported side effects.

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

Where to buy Astaxanthin in Hong Kong?

In Hong Kong, Astaxanthin is an over-the-counter supplement and can be purchased without a prescription from any retail outlet in Hong Kong. This includes grocery stores, convenience stores, medicine shops, and pharmacies. It can also be obtained from doctors. 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 Astaxanthin 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.