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Premium Dietary Supplements &
Botanical Extracts

Trusted manufacturer of high-quality nutraceuticals, private label supplements, and custom formulations. Certified by NSF, ISO, HACCP, and EU/US Organic Standards.

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About Rainwood Biotech

Established in 2006, Shaanxi Rainwood Biotech Co., Ltd. has grown into a recognized leader in China’s nutraceutical industry. We specialize in premium dietary supplements, functional foods, medical additives, and high-quality botanical extracts.

With internationally recognized certifications including NSF 455-2 GMP, ISO 22000, HACCP, and EU/US Organic Standards, we adhere to the highest benchmarks of safety, quality, and compliance.

Intelligent Manufacturing

Our production is powered by fully automated systems and cutting-edge technologies for consistent quality and scalability.

Global Reach

We deliver innovative, effective products to partners across the global health and wellness market.

Rainwood Biotech Facility

Our Product Categories

From custom gummies to botanical extracts and private label solutions, we offer a comprehensive range of high-quality nutraceutical products.

Coenzyme Q10 Gummies

Coenzyme Q10 Gummies

Supports heart health and cellular energy production in a delicious, chewable form.

Shilajit Resin

Shilajit Resin

Pure Himalayan shilajit extract rich in fulvic acid for energy and vitality.

Glutathione Capsules

Glutathione Capsules

Powerful antioxidant support for immune function and skin health.

Ashwagandha Capsules

Pure Ashwagandha Capsules

Standardized root extract for stress relief and cognitive support.

NMN Powder

NMN Powder

High-purity Nicotinamide Mononucleotide for cellular rejuvenation and longevity.

Collagen Gummies

Collagen Gummies

Supports skin elasticity, hair, and joint health with hydrolyzed collagen peptides.

Lion's Mane Mushroom Powder

Lion's Mane Mushroom Powder

Supports cognitive function and nerve health with beta-glucans and hericenones.

Magnesium Glycinate Powder

Magnesium Glycinate Powder

Highly bioavailable form of magnesium for muscle relaxation and sleep support.

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Why Choose Rainwood Biotech

We combine scientific excellence with manufacturing precision to deliver trusted, high-performance nutraceuticals.

Certified Quality

NSF 455-2 GMP, ISO 22000, HACCP, and EU/US Organic Standards certified.

Advanced Technology

Intelligent manufacturing systems and fully automated production lines.

Custom Formulations

Private label, OEM, and ODM services with full formulation support.

Global Distribution

Trusted by partners in North America, Europe, Asia, and beyond.

18+

Years in Industry

50+

Countries Served

1000+

Products Formulated

100%

Quality Guaranteed

Frequently Asked Questions

What certifications does Rainwood Biotech hold?

We are certified under NSF 455-2 GMP, ISO 22000, HACCP, and meet both EU and US Organic Standards.

Can you provide private label services?

Yes, we offer full private label, OEM, and ODM services with custom packaging, branding, and formulation support.

What is your minimum order quantity (MOQ)?

MOQ varies by product type and customization level. Contact us for specific details based on your needs.

Do you offer samples?

Yes, we provide samples for evaluation. Please contact our team to request product samples.

Where is your manufacturing facility located?

Our facility is located in Xi’an, Shaanxi, China, with full compliance to international manufacturing standards.

Get in Touch

Ready to start a partnership? Reach out to our team for quotes, samples, or technical support.

Phone: +86 17791258855

Email: info@rainwoodbio.com

Address: Rm 218, Tangxing Digital Bld, #6 Tangxing Rd, Xi’an, Shaanxi, China

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