> Western Medicines > Collagen


Used for: Dietary supplementation
Chinese name:

What is Collagen for?

Collagen is the most abundant protein in the human body, particularly in forming connective tissues. Medically, Collagen is used for surgeries such as heart valve replacements, and reconstruction of bones. It is also used in wound dressings to facilitate healing and avoid scar formation. Collagen is the major source of capsule shells. Collagen peptides are protein pieces obtained from animal Collagen and are the type of Collagen for supplements. They are claimed to improve aged skins, osteoarthritis, burns and eczema.

How to use it?

Collagen is available in liquid, capsule and powder for oral use.


Aged Skin
2.5-10g daily for 8-12 weeks.
50ml daily. (liquid)


10g daily or 10g twice daily.

What are the side effects of Collagen?

There are no reported side effects.

Who should not take Collagen?

  • People who are allergic to Collagen or any components of the formulation.

Pharmacist Tips:

  • The effect of Collagen supplements on humans is not fully recognised and understood.
  • Dosing schedule differs from brands and products.
  • It is advised not to take too much to prevent unknown side effects and to maintain a healthy diet.
  • For chronic disease patients, please seek advice from medical professionals before taking any supplements.

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


Some common medications Collagen may interact with:
There is not enough evidence to show any drug interactions.

Where to buy Collagen in Hong Kong?

In Hong Kong, Collagen is an over-the-counter medicine 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 https://www.drugoffice.gov.hk

Need more information?

For detailed information about the use of Collagen 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.

Brands in Hong Kong
Vital Proteins
Grass-Fed Collagen Peptides
Available dosage
  • (Capsules)
  • (Oral Powder)
Drug class
Sub class
Dietary Supplements, Antioxidants
Alternative Names
Collagen Peptides
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