Protect Your Stomach
Turn Stress Into Energy

HK’s No. 1 selling gastrointestinal drug for 11 consecutive years
Find a Store Near You Discover More
The Benefits

One Tablet, Dual-Layer, Comprehensive Stomach Remedy

Weisen-U is a unique dual-layer tablet, providing quick relief to various kinds of stomach discomfort.

Whether it’s daily stress, irregular meal times, or indigestion – Weisen-U helps your stomach to recover quickly and stay strong.

Top Layer Middle Layer Bottom Layer
Neutralize Gastric Acid
The outer layer contains powerful antacids that can neutralize gastric acid and relieve stomach aches.
Repair Damaged Gastric Mucosa
Contains Biodiastase 2000, which promotes digestion and absorption of starch in the stomach, alleviating the load on the digestive system
Promote Digestion
The inner layer contains Vitamin U, which plays a key role in healing damaged gastrointestinal mucosa and speeding up recovery of the stomach.
Explore More
Who is it for

Protecting People's Stomach for Over 65 Years

With its unique dual-layer structure, Weisen-U is formulated to treat a variety of stomach indications and provide quick relief.​

Take the first step
Why Choose Weisen-U

Trusted by Millions Around The World

Switch tabs below to see why millions around the world choose Weisen-U for lasting stomach comfort.​
No.1 Selling Gastrointestinal Drug
Unique “Dual Layer, Multi Function” Tablets​
Over 65 Years of History
PIC/S GMP Quality

HK's No.1 Selling Gastrointestinal Drug

Trusted by millions for fast, effective relief from common digestive issues such as, stomach pain, indigestion, damaged gastric mucosa, heartburn, over-drunk and feeling of fullness hyperacidity.

Unique “Dual Layer, Multi Function” Tablets​

Weisen-U is a unique dual-layer tablet, providing quick relief to various kinds of stomach discomfort. Whether it’s daily stress, irregular meal times, or indigestion – Weisen-U helps your stomach to recover quickly and stay strong.

Over 65 Years of History

Weisen-U has over 65 years of history, beginning from its R&D stage till now. It is widely recognized as an effective gastrointestinal drug by medical professionals.

PIC/S GMP Quality

Weisen-U is made in Hong Kong by a PIC/S GMP-certified manufacturer. The manufacturer has over 60 years of history and continually adheres to the highest safety and quality standards.
Why Choose Weisen-U

Proven Relief, Scientifically Backed

For over six decades, Weisen-U has been the trusted choice for stomach protection and digestive relief across Asia. These numbers tell our story of care, science, and trust.
100M+

Bottles sold worldwide

Weisen-U has more than 65 years of history. It is widely recognized by medical professionals as a valuable gastrointestinal drug.​
99%

Coverage in Hong Kong and Macau

Weisen-U on-shelf in major pharmacies and drug stores in HK & Macau.
1,300

Distribution points across Asia

In addition to HK, Weisen-U has developed a loyal customer base in Mainland China, Macau, and Southeast Asia.
11

Consecutive years as HK’s No.1 selling gastrointestinal drug​

Trusted by millions for fast, effective relief from common digestive issues
100M+

Bottles sold worldwide

Weisen-U has more than 65 years of history. It is widely recognized by medical professionals as a valuable gastrointestinal drug.​
99%

Coverage in Hong Kong and Macau

Weisen-U on-shelf in major pharmacies and drug stores in HK & Macau.
1,300

Distribution points across Asia

In addition to HK, Weisen-U has developed a loyal customer base in Mainland China, Macau, and Southeast Asia.
11

Consecutive years as HK’s No.1 selling gastrointestinal drug​

Trusted by millions for fast, effective relief from common digestive issues
Since 1958

Over 65 Years of Care and Innovation

Developed by Kin Fung Weisen-U Co. Ltd., with Shigaken Pharmaceutical Industrial Co. Ltd., “Shigaken” in the 1960s with a mission to bring effective and gentle stomach relief to everyone. Our products have embraced modern scientific standards and have been trusted by families across Asia for over 65 years​
Our Story

Better Digestion Starts with Better Habits

A healthy stomach begins with daily care. Explore tips and articles on maintaining digestive balance and managing stress.
Explore Wellness Tips

FAQs

Weisen-U features a unique dual-layer tablet design: the outer layer contains potent antacids and Biodiastase 2000, which instantly neutralizes excess gastric acid, relieves acid reflux, alleviates stomach pain, and aids digestion. The inner layer with Vitamin U has an action to restore the damaged gastric mucosa, accelerating healing for restored health.

Our unique dual-layer tablet design delivers multifaceted relief in one dose: the outer layer quickly neutralizes excess gastric acid and promotes digestion, while the inner core heals damaged gastric mucosa. This synergy alleviates symptoms like indigestion, stomach pains, heartburn, loss of appetite, and nausea, providing comprehensive support for digestive health.

Weisen-U is for stomach discomfort and should be taken as needed. Stop once symptoms improve. If your symptoms don't improve in 2 weeks, please consult a doctor or pharmacist. It is suitable for short-term use to promote quick recovery.

Weisen-U adopts a unique Dual Layer Structure, so it can only be swallowed directly. Therefore, Weisen-U is only suitable for adults or those who can swallow the tablet directly, and should not be taken by children who cannot swallow tablets.

Weisen-U adopts a unique Dual Layer Structure, so it can only be swallowed directly. Therefore, Weisen-U is only suitable for adults or those who can swallow the tablet directly, and should not be taken by children who cannot swallow tablets.

WEISEN-U is manufactured in Hong Kong by Jean-Marie Pharmacal Company Limited, a pharmaceutical manufacturer with facilities meeting international GMP standards to ensure the highest standards for safety and reliability.

All versions are produced in Hong Kong by Jean-Marie Pharmacal Company Limited with identical ingredients and quality. Product names vary due to regional regulations.

Mainland China (维仙优): 3 years.

Hong Kong and Singapore: 4 years.

Always check the packaging expiry date before use.

@WeisenUHK

At Weisen-U, Care Goes Beyond the Bottle

Discover stories, wellness tips, and everyday moments from our community on Instagram.

Follow us on Instagram

Available at Major
Pharmacies and Retailers

Find Weisen-U in major pharmacies, supermarkets,
and online platforms across Hong Kong and beyond.
Find a Store Near You Discover More