Medicines & Supplements A to Z > Lecithin (Supplement)

Lecithin (Supplement)

Last updated on 19/03/2021.

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



BRAND NAME(S) IN HONG KONG: Bluebonnet, Jamieson, Now Foods, Swisse

DRUG CLASS: Emulsifying and stabilising agent

USED FOR:  Emulsifier, nutritional supplement 


What is Lecithin for?

Lecithin is a mixture of glycerophospholipids usually extracted from food sources such as egg yolks and soybeans. It is important for the formation of cell membranes in the human body as well as the synthesis of a brain chemical called acetylcholine. Lecithin is an emulsifier which enables the mixing of fat and water-soluble liquid. It is hence believed that Lecithin supplement may help lower cholesterol levels and improve neurological function. However, there is limited scientific evidence to support these claims.

How to use it?

Lecithin supplements are available in oral dosage forms like tablets and capsules. You should take Lecithin supplements with meals. The usual adult dose is 1200-2400 mg daily in two to three doses. For specific dosages, refer to the product label.

What are the side effects of Lecithin?

The side effects of taking Lecithin supplement are mainly stomach upset, diarrhoea, nausea and vomiting.

Who should not take Lecithin?

No specific situation or population in which Lecithin should not be used have been reported. 

Pharmacist Tips:

Most people should obtain adequate amounts of Lecithin from a healthy diet. Lecithin is present in many foods including red meat, eggs, seafood and legumes.

Common dosing schedule:
Take Lecithin as per product instructions.

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

Some common medications Lecithin may interact with:
There are no reported interactions between Lecithin and other medications.

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

Where to buy Lecithin in Hong Kong?

In Hong Kong, Lecithin supplements 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 Lecithin 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.