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

09/ 04/ 2026
Magnesium Glycerophosphate: The Organic Salt That Bridges the Gap

Magnesium L‑threonate stands apart from other magnesium forms by crossing the blood‑brain barrier to directly support memory, reaction speed, and deep sleep. While glycinate aids sleep onset, malate boosts daytime energy, and citrate offers budget‑friendly bowel regularity, L‑threonate uniquely targets brain health. Choosing the right magnesium means matching the form to the intended outcome – L‑threonate for cognitive performance and restorative sleep, others for different needs.

More >>
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08/ 28/ 2026
NMN in Cosmetics: Applications, Efficacy, Formulation and the Future of Longevity Skincare

Nicotinamide Mononucleotide (NMN) has gained significant attention in the longevity and anti-aging field as a precursor of NAD+. More recently, interest in NMN has expanded from dietary supplements to topical skincare, creating new opportunities for cosmetic brands, formulators, and active ingredient suppliers.

More >>
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08/ 26/ 2026
Sodium Copper Chlorophyllin: The Stable, Soluble Green That Actually Works

In a neonatal intensive care unit, a nurse draws 0.5 mL of a yellow emulsion into a syringe. Administered within the first hour of birth, this single injection prevents a life-threatening bleeding disorder that affects up to 1.7% of untreated newborns worldwide. The active ingredient behind this cri

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08/ 14/ 2026
Salmon PDRN vs Plant-based PDRN: Which Source Is Right for Skincare?

PDRN has quickly become one of the most talked-about ingredients in modern skincare. Known as Polydeoxyribonucleotide, PDRN is a DNA-derived ingredient associated with skin regeneration, wound healing, and barrier support.

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08/ 10/ 2026
Calcium Alpha-Ketoglutarate: The Metabolic Molecule Reshaping Healthy Aging Science

Calcium is one of the most essential minerals for human health, yet calcium deficiency remains a global nutritional challenge. Among the many forms of calcium available today, Calcium Bisglycinate has rapidly gained attention due to its superior absorption, gentle digestion, and broad health applications.

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07/ 24/ 2026
MSM: What You Need to Know About Joint Comfort, Movement, and Healthy Aging

Methylsulfonylmethane (MSM) is a naturally occurring sulfur-containing compound widely used as a dietary supplement for supporting joint health, reducing exercise-related discomfort, and promoting overall wellness.

More >>
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07/ 24/ 2026
Vitamin K1 (Phytonadione) Oil: The Essential Ingredient You Thought You Knew

In a neonatal intensive care unit, a nurse draws 0.5 mL of a yellow emulsion into a syringe. Administered within the first hour of birth, this single injection prevents a life-threatening bleeding disorder that affects up to 1.7% of untreated newborns worldwide. The active ingredient behind this cri

More >>
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07/ 06/ 2026
L-Citrulline DL-Malate: Benefits, Ratio, Market Trends, And Supplement Applications

L-Citrulline DL-Malate has become one of the most recognized amino acid ingredients in sports nutrition, pre-workout powder, pump formulas, endurance blends, and active lifestyle products.

More >>
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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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