China-Based Wholesaler ยท 10+ Years of Excellence

Premium Nutritional Ingredients for Global Brands

Vitamins, minerals, amino acids, and plant proteins โ€” manufactured under strict ISO & GMP standards. Trusted by formulators, brand owners, and distributors in 30+ countries.

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30+Countries Served
9+Core Ingredients
24hQuote Response
10+Years Experience
100%COA Provided
ISO 9001 & GMP Certified facility
24h Response Fast quotation
Full COA Provided Every shipment
Global Logistics DDP terms available
Halal & Kosher Available on request
Core Products

High-Purity Ingredients for Your Formulations

From vitamins to plant proteins, our ingredient portfolio covers the most demanded categories in modern nutraceutical, sports nutrition, and functional food.

Ascorbic Acid Vitamin C bulk powder - Greenhai China supplier
Vitamins

Ascorbic Acid (Vitamin C)

High-purity ascorbic acid for nutraceutical, food & beverage applications. USP/BP/FCC grade available.

USPBPFCCNon-GMO
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Creatine Monohydrate 200mesh powder China manufacturer
Sports Nutrition

Creatine Monohydrate 200mesh

Premium-grade creatine monohydrate for sports nutrition. Excellent flowability and dissolution.

200 meshHPLCVegan
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Magnesium Bisglycinate chelated powder bulk supplier
Minerals

Magnesium Bisglycinate

Chelated magnesium with superior bioavailability. Gentle on stomach, ideal for premium formulas.

ChelatedHigh AbsorptionAllergen-free
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Alpha Lipoic Acid ALA powder China wholesaler
Antioxidants

Alpha Lipoic Acid (ALA)

High-grade alpha lipoic acid for antioxidant and metabolic health formulations.

99% purityR-/S- forms
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L-Tyrosine fermentation powder China supplier
Amino Acids

L-Tyrosine (Fermentation)

Fermentation-derived L-Tyrosine for cognitive, mood, and sports nutrition applications.

FermentationNon-animalUSP
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Pea Protein isolate plant-based China producer
Plant Proteins

Pea Protein Isolate

Premium plant-based protein with complete amino acid profile. Ideal for vegan & sports formulas.

80% proteinVeganNon-GMO
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Zinc Bisglycinate 30% chelated mineral powder
Minerals

Zinc Bisglycinate 30%

Highly bioavailable chelated zinc. Well-suited for immune, skin, and men's health formulas.

Chelated30% Zn
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Ferrous Fumarate iron supplement powder
Minerals

Ferrous Fumarate

Iron supplement for anemia, pregnancy, and women's health. High elemental iron content.

USPEPHigh Fe
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Manganese Sulfate Monohydrate powder mineral supplement
Minerals

Manganese Sulfate Monohydrate

Essential trace mineral for bone, cartilage, and metabolic enzyme function.

Feed/Food gradeCustom spec
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Need a Custom Formulation or OEM Service?

Tell us your spec โ€” our team replies within 24 hours with pricing, COA, and lead time.

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Why Choose Greenhai

Your Reliable Partner in China

We combine strict quality control, transparent documentation, and responsive service to be the supplier you can build your brand on.

01

Quality You Can Verify

Every shipment comes with a full Certificate of Analysis. Third-party lab testing available on demand โ€” no exceptions.

02

Transparent Documentation

MSDS, TDS, allergen statements, and country-of-origin certificates ready before you ask. Audit-ready by default.

03

Responsive Sales Team

24-hour quote turnaround. Your dedicated account manager replies in English or Chinese, weekdays and weekends.

04

Flexible Terms

Sample orders, trial batches, and long-term supply contracts. We adapt to your business model, not the other way around.

What We Offer

Premium Ingredients & Service

From bulk ingredients to OEM capsules, tablets, and powders โ€” one partner for every stage of your product journey.

01

Bulk Ingredients

High-purity vitamins, minerals, amino acids, and plant proteins. Full COA, MSDS, and custom specs available for every order.

  • Vitamins
  • Minerals
  • Amino Acids
  • Plant Proteins
View product catalog โ†’
02

OEM / ODM Service

From formula to finished product. Capsules, tablets, powders, gummies, and liquids โ€” manufactured to your specifications.

  • Capsules
  • Tablets
  • Powders
  • Gummies
Discuss your formula โ†’
03

Custom Formulation

Need a unique ingredient blend? Our R&D team develops tailored formulations backed by lab testing and stability data.

  • R&D
  • Lab Testing
  • Stability Data
Start a project โ†’
04

Private Label

White-label finished products ready for your brand. Low MOQs, fast turnaround, and complete packaging customization.

  • Low MOQ
  • Custom Pkg
  • Fast Turnaround
Get a quote โ†’
05

Global Logistics

End-to-end shipping with DDP terms, customs documentation, and flexible Incoterms. Reliable delivery to 30+ countries.

  • DDP
  • FOB
  • CIF
  • 30+ Countries
Shipping terms โ†’
06

Regulatory Support

Documentation and compliance for FDA, EU Novel Food, TGA, and other major markets. We help you clear customs faster.

  • FDA
  • EU Novel Food
  • TGA
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Certifications & Quality

Compliance You Can Trust

Every batch is shipped with full documentation. Our facility and products meet the strictest international standards.

ISO 9001
Quality Management System
GMP
Good Manufacturing Practice
Halal
Certified on request
COA Provided
Certificate of Analysis per batch
Get In Touch

Tell Us What You Need

Reach out via phone, WhatsApp, or email โ€” our sales team responds within 24 hours with pricing, specifications, and COA samples.

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