What Are Alpha-Lipoic Acid Benefits: A Formulator’s Guide
When sourcing antioxidant ingredients, you may encounter alpha-lipoic acid. What is it? How to use it in your formulations. Do not worry! This article will guide your formulation development.
10+
Years of Experience
≥99%
Core Products Purity
200+
Functional Ingredients in stock
10g
Free Sample Available
24/7
Technical Support
Find the Right Ingredients for Your Formulation
Sunjoy supports pharmaceutical, nutraceutical, food, beverage, cosmetic, and personal care manufacturers with specification-controlled ingredients, batch documentation, flexible packaging, and formulation-focused technical support.
Popular Ingredients for Global Formulators
Formulators and manufacturers source Sunjoy ingredients for their defined specifications, application flexibility, supporting documentation, and global supply options. Product selection, purity, packaging, and minimum order quantities vary by ingredient.
Alpha GPC
A functional choline ingredient used in cognitive-health, nootropic, and sports nutrition formulations. Available specifications can be selected according to the intended dosage form and market requirements.
- Purity
- ≥ 99%
- MOQ
- 1kg
Epimedium Extract
A standardized botanical extract that is widely available in different Icarin specifications for various commercial applications such as dietary supplements, functional beverages, and cosmetic formulations, etc.
- Purity
- ≥ 99%
- MOQ
- 1kg
Beta-NMN
A functional ingredient and direct precursor to NAD+ used in cellular-energy and healthy-aging product concepts. Sunjoy offers beta-NMN powder with product-specific purity specifications and batch documentation.
- Purity
- ≥ 99%
- MOQ
- 1kg
Phosphatidylserine
A phospholipid ingredient commonly used in cognitive-health, healthy-aging, and functional nutrition formulations, which are available in multiple delivery formats including capsules, tablets, and powder blends.
- Purity
- ≥ 99%
- MOQ
- 1kg
Functional Ingredient Manufacturer and Supplier in China
For more than 10 years, Sunjoy has focused on the research, production, and supply of plant extracts, supplement ingredients, amino acids, nootropic ingredients, and selected pharmaceutical raw materials. We serve customers in China and overseas markets and follow GMP and ISO quality management systems.
From Standard Ingredients to Custom Solutions
Sunjoy supports custom specifications, sample development, process optimization, packaging, and documentation based on your ingredient, application, volume, and market needs.
Raw Material Sourcing and QC
We evaluate material sources, specifications, quality records, and traceability for consistent production and batch control.
Protective and Custom Packaging
Packaging options are carefully selected according to specific product needs, offering reliable moisture, light, oxygen, and temperature protection.
Custom Product Development
Our R&D team offers custom synthesis, specification adjustments, parameter optimization, and small-batch sampling.
Technical Documentation Support
Available documents include COAs, SDS, specifications, test reports, and shipping files, depending on product and market.
Quality Control You Can Rely On
Sunjoy’s quality control system covers raw material checks, in-process controls, finished-product testing, and batch records. Products are supplied to agreed specifications, with batch-specific documentation available to support quality review and supply-chain management.
1HPLC and Analytical Testing
HPLC and other appropriate analytical methods may be used to evaluate identity, assay, purity, and active ingredient content. Testing requirements and acceptance criteria are defined according to the product specification.
Read More Get a Quote 2Quality Testing and Documentation
Testing may be performed through Sunjoy’s quality system and qualified third-party laboratories, depending on the product. Available shipment documents can include a COA, SDS or MSDS, product specifications, and relevant test reports.
Read More Get a Quote 3Microbiological and Contaminant Testing
Microbiological testing may include total plate count, yeast, mold, and specified pathogens. Heavy metals and other contaminants are evaluated using appropriate analytical methods according to the applicable product specification.
Read More Get a QuoteWhy Global Clients Choose Sunjoy
Sunjoy combines direct manufacturing support, documented quality controls, flexible specifications, custom packaging, and international logistics coordination to support product development and ongoing supply.
Responsive Service
Our team aims to respond to inquiries within 12 hours and coordinates product, documentation, sample, and logistics questions with the relevant departments.
Sample Support
Evaluation samples are readily available for qualified projects, with sample quantities and testing options varying by specific ingredient and specification.
Competitive Pricing
Direct supply and custom volume-based pricing options effectively help customers evaluate total formulation and procurement costs accurately.
Manufacturing and Supply Support
Our teams coordinate manufacturing, testing, documentation, packaging, and supply per agreed specifications and order requirements.
Certified Sunjoy Quality, Proven Performance
Meet Us at Industry Exhibitions
Meet the Sunjoy team at international industry exhibitions to discuss ingredient specifications, formulation requirements, custom development, packaging, and global supply options.
EventSupplySide West
DateOct. 29–30.2025
Location:Mandalay Bay, Las Vegas, USA
EventHi & Fi Asia-China
DateJun. 15–17.2026
Location:National Exhibition and Convention Center (Shanghai) (NECC)
EventCPHI China
DateJun. 24–26.2025
Location:Shanghai New International Expo Center (SNIEC)
Testimonials
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What Our Clients Say
Customers work with Sunjoy for ingredient sourcing, documentation, packaging, and supply support. The following feedback reflects their purchasing and formulation experience.
“We have consistently sourced premium green tea extract directly from Sunjoy for more than 18 months. Their stable factory pricing has helped us manage our overall raw material purchasing costs much more effectively.”
Marcus J., USA
“Our second order encountered a customs delay in Hamburg, but Sunjoy’s team supplied the missing paperwork within two hours. The extract dissolves cleanly in our cream formulations without leaving a gritty residue.”
Rostova E., Germany
“Botanical extract powders require extremely careful handling. Sunjoy’s protective packaging has helped us control moisture and oxidation during long storage and maintain more consistent production batches.”
Jonathan R., UK
“We needed several functional ingredients with different packaging requirements. Sunjoy coordinated the documentation and shipment efficiently, and the materials arrived securely packed and ready for our formulation trials.”
Aisha R., Singapore
“Sunjoy provided clear specifications, COA documentation, and quick answers throughout our evaluation process. The sample quality was consistent, which gave our team confidence to proceed with a larger order.”
Daniel M., Canada
Insights and Resources
Explore practical articles on ingredient applications, formulation considerations, quality documentation, packaging, storage, and industry trends.
- 10 /05
- 04 /09
Bromelain Onset Time: How Long Does It Take for Bromelain to Work?
Bromelain is widely applied in multiple industries these days. The onset time varies according to specific functions. It also depends on the temperature conditions. It typically takes 30 minutes to 2 weeks to work, depending on whether you use it for digestion, post-workout recovery, or meat tenderization.
- 04 /09
Is Microcrystalline Cellulose Safe?
People tend to question the safety of Microcrystalline Cellulose after knowing its name. It seems like a chemically synthesized material with toxins. However, MCC is quite safe in various applications.
- 04 /09
Magnesium Glycinate for Sleep: Complete Formulator’s Guide
Sleep is important to our mental and physical health, and magnesium glycinate is often considered a suitable ingredient for sleep-support formulations. Is that true? If it is true, how do you use it in your formulations? Keep reading, and this article will offer you a detailed formulator guide.
Frequently Asked Questions
Can I Evaluate Your Ingredients Before Placing a Bulk Order?
Yes. Evaluation samples are available for qualified projects. Sample quantities and supporting documents vary by ingredient and specification.
Do You Offer Custom Ingredient Processing and Formulation Options?
Yes. Our R&D team can discuss custom synthesis, specification adjustment, extract ratios, particle size, solubility, dosage forms, process improvement, and custom packaging.
What Is Your Minimum Order Quantity for a Single Ingredient?
Minimum order quantities vary by ingredient and specification. Standard product MOQs typically range from 1 kg to 25 kg; please contact us for product-specific details.
What Extraction Methods Do You Use for Botanical Ingredients?
Depending on the botanical source and target compound, methods may include water extraction, ethanol extraction, or supercritical carbon dioxide extraction. Process controls and residual solvent specifications are evaluated according to the product and applicable market requirements.
Do You Offer Organic, Non-Gmo, Halal, or Kosher Documentation?
Certification and declaration availability varies by product. Contact our team to confirm the documents available for your selected ingredient and target market.
