Gemsen specializes in nutritional 
and  health ingredients for 20 years

Who We Gemsen

We are a fast-growing, innovative and quality-oriented company that manufactures and distributes fine chemicals and biochemicals for the Pharmaceutical, Health care and Cosmetic industries.

Backed by GMP-certified manufacturing facilities, an innovative R&D center and more than a decade of international experience in fine chemicals distribution, we are committed to meeting our customers' quality and timeliness requirements and keeping them ahead of the competition. 

Product Category

We provide powder, granule, capsule and tablet to meet your needs.

A Fast Growing Innovative 

And Quality Driven Company

We are ready to make contract manufacturing for you and execute your highly specialized requirements.

Hot Products

Certificates

Gemsen implements complete quality management, organizes production according to GMP mangement system, and has passed the API inspection from cGMP and food grade inspection from FDA.

Applications

Learn how we can better create value for our customers from Pharmaceutical, Health care and Cosmetic industries.

DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!

New Blogs

12/ 18/ 2025
Inulin: Health Benefits and Risks

Imagine you’re on a journey to improve your health—maybe you want to lose weight, ease persistent constipation, or simply feel more energetic. Somewhere along the way, you’ve probably heard about inulin, a natural dietary fiber that’s gaining traction as a health booster.

More >>
Inulin.png
12/ 18/ 2025
Ways Magnesium Malate Could Improve Your Health

Magnesium Malate has become one of the most talked-about nutritional ingredients in recent years, largely because consumers are increasingly aware of how magnesium impacts energy, mood, sleep, cardiovascular function, and overall metabolic health. As the Market of Magnesium Malate continues growing, more shoppers want to understand what makes this form unique, how it compares to other magnesium types, and what real-world applications it offers—including Digestive Health, Pain Relief, Migraine Prevention, improved sleep, and Cardiovascular Health Support.

More >>
Mg Malate.png
12/ 02/ 2025
What Is L-Choline Bitartrate? Key Benefits Explained

Understanding the role of L-Choline Bitartrate is becoming increasingly important as more consumers search for nutritional strategies that support cognitive health, metabolism, and cellular balance. This compound—commonly used in modern formulations—serves as a stable and reliable form of L-Choline, an essential nutrient required for hundreds of biological reactions.

More >>
L-胆碱酒石酸氢盐的重要性.png
11/ 25/ 2025
Vitamin K2 Oil (MCT): A Comprehensive Guide To Benefits, Functions, And Uses

Vitamin K2 Oil, particularly when combined with Medium-Chain Triglycerides (MCT), is a growing supplement in the wellness and nutrition community.

More >>
MCT.png
11/ 07/ 2025
Ectoine: How This Cosmetic Raw Material Protects & Restores Skin

Every day, our skin faces countless stressors—harsh UV rays, urban pollution, dry air, and irritation from active ingredients such as retinoids or exfoliating acids.

More >>
生成 Ectoine 产品图.png
10/ 30/ 2025
Health Benefits of Hesperidin Supplements

Could a simple citrus compound transform your health? China Manufacturer 95% Hesperidin Citrus Aurantium Extract CAS 520-26-3 from China manufacturer - Gemsen, a bioflavonoid from citrus fruits, offers potential benefits.

More >>
橙皮甙.png
10/ 23/ 2025
Is Glucosamine Hydrochloride Effective for Osteoarthritis And Joint Pain Relief?

Osteoarthritis (OA) is one of the most common joint disorders worldwide, affecting millions of people. Characterized by joint pain, stiffness, and reduced mobility, osteoarthritis significantly impacts daily life and overall quality of life. As a result, many individuals seek safe and effective ways to manage symptoms, including dietary supplements. One of the most widely discussed supplements is glucosamine hydrochloride (GHCl), a naturally occurring compound believed to support joint health.

More >>
盐酸氨基葡萄糖.png
10/ 16/ 2025
L-5-Methyltetrahydrofolate Calcium: Scientific Innovation in Active Folate for Modern Health Solutions

Traditional folic acid has long been recognized as an essential B-vitamin (vitamin B9) involved in DNA synthesis, red blood cell production, and fetal development. However, its metabolic limitations—especially poor bioavailability and dependency on enzymatic conversion—restrict its effectiveness for many individuals.

More >>
L-5-甲基四氢叶酸钙.png

Contact Us

If you have any requirements, please contact us freely and we will provide you the best solution.
Contact Us
Gemsen has been specializing in nutritional and healthy ingredients since 2004.
CONTACT US
Nanjing Gemsen International Co., Ltd.
Cell/WhatsApp/WeChat: +86 15251873798
E-mail:  info@gemsen.cngs_101@gemsen.cn
Add: Suite 2003 Ruihua Mansion #315
Zhongshan Nanlu 210001 Nanjing China

QUICK LINKS

PRODUCTS CATEGORY

SIGN UP FOR OUR NEWSLETTER

Copyright © 2024 Nanjing Gemsen International Co., Ltd. All Rights Reserved. | Sitemap | Privacy Policy   苏ICP备18040487号-2