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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.

New Blogs

05/ 29/ 2025
What Is Magnesium L-threonate Good For?

Magnesium L-Threonate has emerged as a significant compound in the realm of neuroscience and nutrition, renowned for its unique ability to enhance cognitive function and neural health. As a novel form of magnesium, it is specifically designed to penetrate the blood-brain barrier, thereby increasing

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05/ 15/ 2025
What Happens If I Take L-glutamine Every Day?

L-Glutamine is a naturally occurring amino acid that plays a crucial role in various physiological processes. As the most abundant amino acid in the human body, it is vital for immune function, intestinal health, and muscle recovery. The interest in daily supplementation of L-Glutamine has surged du

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05/ 19/ 2025
Is Sodium Alginate Safe for Humans?

Sodium alginate is a naturally occurring substance derived from seaweed, widely used in food, pharmaceutical, cosmetic, and medical industries. While it has numerous applications, one of the primary concerns among consumers is its safety. In this article, we’ll explore the various aspects of sodium

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05/ 16/ 2025
What Is Sodium Alginate Used For?

Sodium alginate is a versatile and naturally occurring polysaccharide derived from brown seaweed. It is a key ingredient in a wide range of industries, including food, pharmaceuticals, medical applications, cosmetics, and industrial processes. Its unique ability to form gels, thicken liquids, and bi

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05/ 08/ 2025
What Does Vitamin B2 Riboflavin Do for The Body?

Vitamin B2, also known as riboflavin, is an essential nutrient that plays a crucial role in maintaining the body's overall health. As a water-soluble vitamin, it is not stored in large amounts in the body, necessitating a regular dietary intake. Riboflavin is integral to various metabolic processes,

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04/ 18/ 2025
What Is GABA And How Does It Really Work in The Brain?

Gamma-aminobutyric acid (GABA) is a pivotal neurotransmitter in the central nervous system, playing a critical role in regulating neuronal excitability and maintaining the delicate balance between excitation and inhibition in the brain. Understanding GABA as neurotransmitter is essential for compreh

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02/ 14/ 2025
Unlocking The Power of Sodium Alginate: 5 Surprising Benefits You Need To Know!

Sodium alginate, a versatile and eco-friendly polysaccharide derived from brown seaweed, has made its mark in numerous industries ranging from food to pharmaceuticals. Thanks to its gelling, thickening, and stabilizing properties, sodium alginate is now a key ingredient in various applications, from

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03/ 26/ 2025
What Does Taking L-Citrulline Do?

L-Citrulline is a non-essential amino acid that has garnered significant attention within the scientific community for its potential health benefits. Found naturally in foods like watermelon, L-Citrulline plays a pivotal role in the urea cycle, facilitating the removal of ammonia from the body. As r

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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

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