Amino Acids
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Amino Acids

 Premium Amino Acids Manufacturer | Zhonghong

  1. English Name: Amino Acids (they’re the tiny “building blocks” that make up protein—your body needs 20 total, 9 of which are “essential” (you can’t make them, so you have to eat them!). The most popular ones in products are BCAAs (branched-chain amino acids: leucine, isoleucine, valine), L-theanine, and lysine.)
  2. Specification (for mixed amino acid powders, the most common form)
    • Purity: ≥ 98% (HPLC tested—food/supplement grade, no fillers; BCAAs often have a 2:1:1 ratio of leucine:isoleucine:valine)
    • Solubility: Most are highly water-soluble (BCAAs, L-theanine, lysine dissolve smooth in water, smoothies, or sports drinks—no grit)
    • Moisture: ≤ 0.5% (keeps powders dry, so they don’t clump or lose potency; stable for 2+ years sealed)
    • Heavy Metals: ≤ 1 ppm (ultra-safe for daily use—meets global supplement standards)
    • Form: White to off-white fine powder (most single amino acids are crystalline; blends are smooth powders)
  3. Appearance: White to off-white fine powder with a very mild, almost odorless scent—definitely not a yellowish-white solid with chocolate aroma! Some (like L-tryptophan) have a subtle bitter edge, but most are tasteless—easy to mix without altering flavor.
  4. CAS NO.: N/A (they’re a group of compounds—each has its own CAS: e.g., leucine = 61-90-5, L-theanine = 3081-61-6; blends don’t have a single CAS)
  5. Lead time: 3–7 Working Days (we stock BCAAs, single amino acids (like L-theanine, lysine), and custom blends—fast for supplement brands, sports nutrition companies, and food makers)
  6. Package:
    • Small sizes: 100g/500g resealable foil bags (great for home use) or 30-serving tubs (with scoops for easy dosing)
    • Bulk: 25kg food-grade drums (lined with plastic—27 drums per tray; includes desiccants to keep moisture out and preserve purity)
  7. Main Market: Global—North America (sports supplements, protein powders), Europe (wellness drinks, vegan foods), Asia (fitness products, functional snacks). Popular with athletes, vegans, and anyone needing extra protein support.
  8. Applications & Main Benefits
    • Sports Nutrition
      • BCAA Powders: Mixed into pre/post-workout drinks (supports muscle repair—reduces soreness after gym sessions; helps build lean muscle)
      • Protein Shakes: Added to whey/plant-based protein (boosts specific amino acids—like leucine for muscle growth)
    • Wellness Supplements
      • L-Theanine Capsules: Paired with caffeine (calms without sleepiness—improves focus for work/study)
      • L-Tryptophan Powders: Used in sleep support products (helps make serotonin/melatonin—eases occasional insomnia)
      • Lysine Tablets: Taken for immune support (helps with cold sores—common in winter wellness routines)
    • Food & Beverages
      • Vegan Foods: Added to plant-based meats (soy, pea protein blends—boosts essential amino acids missing in some plants)
      • Energy Drinks: Small doses of BCAAs (adds a “recovery boost” to energizers—popular with active people)
      • Baby Food: Fortified with essential amino acids (supports growth—ensures babies get all they need)
    • Medical Use
      • Nutritional Supplements: For people with low protein intake (e.g., post-surgery, elderly)—eases digestion and boosts recovery

Why Amino Acids Matter

  • Muscle Support: BCAAs and leucine are non-negotiable for anyone working out—they help muscles heal and grow.
  • Vegan-Friendly: Fill gaps in plant-based diets (some plants lack essential amino acids like lysine—blends fix that).
  • Targeted Benefits: Pick specific ones for your goal—L-theanine for focus, tryptophan for sleep, BCAAs for gym days.
  • Easy to Use: Mix into almost anything—no weird taste, so you won’t even notice they’re there.

Quick Tips & Notes

  • Blends vs. Singles: If you want muscle support, go for BCAAs. If you want calm focus, try L-theanine alone.
  • Dosing: Follow serving sizes—most amino acids work best in 500mg–2g doses (check labels for guidance).
  • Storage: Keep in a cool, dry place—moisture causes clumping, but you can break clumps apart easily.
  • Vegan Check: Most amino acids are plant-derived (from soy or corn)—look for “vegan” labels if that matters to you.
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 Premium Amino Acids Supplier & Manufacturer | Zhonghong

Looking for a reliable amino acids supplier? As a leading manufacturer & exporter, Zhonghong offers bulk pharmaceutical, food, and cosmetic-grade amino acids. GMP certified. Request a free sample & technical dossier!

Your Trusted Global Partner for High-Purity Amino Acids

Amino acids are the fundamental building blocks of life and a cornerstone of modern industry. Whether you’re formulating a new dietary supplement, developing a critical pharmaceutical, or creating a revolutionary skincare product, the quality of your amino acids can determine your success. Sourcing from a bulk amino acids factory that guarantees purity, consistency, and technical expertise is not just an option—it’s a strategic necessity. At Shaanxi Zhonghong Investment Technology Co., Ltd., we combine 28 years of biochemical expertise with state-of-the-art manufacturing to be your premier global partner.

1. What Are Amino Acids?

Amino acids are organic compounds that form the vital proteins within all living organisms. They are categorized as essential (must be obtained from the diet), non-essential (synthesized by the body), and conditionally essential. In an industrial B2B context, we provide these critical compounds in their pure, free-form, ready for integration into a vast array of finished products. From L-Leucine for muscle health to L-Proline for collagen synthesis, we supply the precise ingredients your innovation requires.

2. Source, Chemical Properties & Technical Data

We offer a comprehensive portfolio of amino acids, each characterized by stringent quality control.

  • Product Source: Produced via microbial fermentation (e.g., L-Lysine, L-Threonine) or enzymatic synthesis, ensuring high bioactivity and consistency. We also offer plant-based amino acid extracts for specific market demands.

  • Appearance: Typically white crystalline powders or powders.

  • Key Examples & Data:

    • L-Leucine: CAS 61-90-5 | MF C6H13NO2 | MW 131.17 g/mol

    • L-Lysine HCL: CAS 657-27-2 | MF C6H14N2O2 • HCl | MW 182.65 g/mol

    • Glycine: CAS 56-40-6 | MF C2H5NO2 | MW 75.07 g/mol

  • EINECS: Varies by specific amino acid.

3. Why are Zhonghong’s Amino Acids the Best Choice for Your Business?

We understand that “best” is defined by reliability, compliance, and performance in your specific application.

  • Composition & Compliance: Our amino acids are available in food-grade, pharmaceutical-grade (USP/EP), and cosmetic-grade specifications, ensuring global regulatory compliance.

  • Function & Efficacy: They serve critical roles: protein synthesis, metabolic fuel, supporting neurological function, and acting as precursors to key molecules. In cosmetics, they are potent humectants and skin-restoring ingredients.

  • Optimal Usage & Dosage: Dosage is highly application-specific. For dietary supplements, branched-chain amino acids (BCAAs) are commonly dosed at 5-20 grams daily. Our technical team provides customized formulation guidance.

  • Safety & Side Effects: Generally recognized as safe (GRAS) when used appropriately. High single doses may cause minor gastrointestinal discomfort.

4. Why Partner with Shaanxi Zhonghong?

As a high-tech enterprise, we bridge the gap between advanced biochemistry and industrial application. We are your OEM and custom amino acid supplier in China with a global footprint.

  • 28 Years of Expertise: Deep domain knowledge in fermentation, purification, and application of bioactive compounds.

  • Unmatched Scientific R&D: Collaborative labs with 5 top universities and over 20 patents drive innovation in our production processes.

  • Cutting-Edge Technology: Our investment in HPLC, NMR, and other advanced analytical systems ensures purity standards that consistently exceed industry norms by 20%.

  • Proven Global B2B Network: We are a trusted API supplier to multinational corporations in over 80 countries across the pharmaceutical, nutraceutical, and cosmetic industries.

5. Comprehensive Health Benefits & Application Guide

Amino acids are the unsung heroes of health and wellness, with diverse mechanisms of action.

  • Key Health & Functional Benefits:

    • Muscle Protein Synthesis: BCAAs (Leucine, Isoleucine, Valine) are critical for triggering muscle growth and recovery.

    • Skin & Hair Health: Proline and Glycine are essential for collagen and elastin production, improving skin elasticity and strength.

    • Cognitive Function: L-Theanine promotes relaxation without drowsiness; L-Tyrosine is a precursor to key neurotransmitters.

    • Antioxidant Defense: L-Cysteine is a precursor to glutathione, the body’s master antioxidant.

  • Traditional Use & Modern Application: From protein-rich foods to modern dietary supplements, pharmaceutical infusions, and cosmetic raw materials.

  • Recommended Dosage & Best Formulation Guide: Contact our technical team for specific customized formulation guidance for powders, tablets, capsules, topical serums, or functional foods.

6. Product Specification & Certificate of Analysis (COA)

We guarantee full transparency. Every batch is accompanied by a detailed COA.

Category Item Specification Test Method
Assay Main Content (e.g., L-Leucine) 98.5% – 101.5% USP / HPLC
Optical Rotation Specific Rotation Complies with Standard Polarimetry
Heavy Metals Lead (Pb) ≤ 1.0 mg/kg ICP-MS
Arsenic (As) ≤ 1.0 mg/kg ICP-MS
Cadmium (Cd) ≤ 0.5 mg/kg ICP-MS
Microbiological Total Plate Count ≤ 1000 CFU/g USP <61>
Yeast & Mold ≤ 100 CFU/g USP <61>
E. Coli Negative USP <62>

7. Our Advanced Production Workflow

Our production is a testament to precision and control:

  1. Fermentation/Synthesis: Specific microbial strains are cultivated in controlled fermenters to produce target amino acids, or precise enzymatic synthesis is employed.

  2. Separation & Purification: The broth is processed through ultrafiltration, ion exchange, and crystallization to isolate and purify the amino acid.

  3. Crystallization & Drying: The purified solution is crystallized, and the crystals are washed and dried under controlled conditions to achieve the desired particle size and moisture content.

  4. QC & Packaging: The final powder is rigorously tested against specifications before being packaged in a controlled environment.

8. Application Scenarios & Usage Methods

Our amino acids are versatile across key B2B sectors:

  • Dietary Supplements & Sports Nutrition: BCAA powders, EAA blends, L-Glutamine for recovery, and L-Arginine formulas.

  • Pharmaceutical Industry: Used in parenteral nutrition (IV bags), amino acid-based drugs, and as API intermediates.

  • Cosmetics & Skincare: Incorporated into serums, creams, and hair care products as GMP certified plant extracts and pure actives for their moisturizing and reparative properties.

  • Food & Beverage Industry: Used as food-grade nutritional fortifiers and flavor enhancers.

9. Uncompromising Quality Control

Quality is the non-negotiable foundation of our operation. Our QC system is embedded in every stage, from raw material qualification to final product release. We employ a multi-pronged analytical approach, utilizing High-Performance Liquid Chromatography (HPLC) for precise identity and assay confirmation, ICP-MS for trace heavy metal detection, and rigorous microbiological testing. This “cradle-to-gate” philosophy, certified under GMP and ISO standards, ensures that every kilogram of our amino acids meets stringent purity and safety profiles. Our commitment to a 20% higher purity standard is a verifiable outcome of our in-house, cutting-edge laboratory capabilities, providing you with the confidence that your raw materials are of the highest caliber.

10. Packaging & Global Logistics

  • Packaging: Standard 25 kg per fiber drum with double food-grade polyethylene inner liners. We offer customized packaging options, including vacuum packing or smaller quantities for R&D.

  • Logistics: We have a robust global supply chain network, ensuring secure, timely, and compliant delivery to your manufacturing facility, anywhere in the world.

11. Deep Dive: Mechanisms, Innovation & The Future

  • Mechanism of Action: Amino acids function as protein precursors, signaling molecules (e.g., Leucine activating mTOR pathway), and critical components in cellular metabolism and immune function.

  • Industry Applications & Our Innovation: We are pioneering specialized amino acid complexes and sustained-release formulations for enhanced bioavailability in nutraceuticals and advanced cosmeceuticals.

  • Call to Action: The market for targeted health and wellness solutions is exploding. Don’t let inferior raw materials limit your product’s potential. Partner with a manufacturer that provides the scientific backing, quality, and innovation to make your next product a market leader.

12. Frequently Asked Questions (FAQ)

  • Q: Do you offer free samples for quality verification and R&D trials?

    • A: Yes, we strongly encourage it. We provide free samples of our amino acids to qualified B2B clients, complete with a Certificate of Analysis.

  • Q: Can you produce custom amino acid blends or specific grades?

    • A: Absolutely. Customized herbal extract and amino acid solutions are our specialty. We can develop proprietary blends, adjust particle size, or meet specific pharmacopoeial standards for your project.

  • Q: What is the typical lead time for a bulk order?

    • A: Lead times are generally 10-20 business days, depending on the specific amino acid and order volume.

  • Q: Are your facilities certified?

    • A: Our manufacturing plants operate in full compliance with GMP, ISO, and HACCP standards, ensuring international quality and safety benchmarks are met.

13. Where to Buy & Contact for Your Free Sample

Ready to build better products with premium amino acids? As a leading amino acids manufacturer and exporter, we are here to support your business.

Contact us today to discuss your specifications, request a quote, or get your FREE SAMPLE.

14. Conclusion

In the complex and demanding world of ingredient sourcing, Shaanxi Zhonghong stands as a pillar of quality, innovation, and reliability. Our amino acid portfolio, backed by decades of experience and a commitment to excellence, provides the fundamental building blocks your brand needs to thrive. For formulators who will not compromise, we are the clear choice for your bulk amino acid and customized ingredient needs.

15. Research & References

  • Wu, G. (2009). Amino acids: metabolism, functions, and nutrition. Amino Acids.

  • Harper, A. E., et al. (1984). Branched-chain amino acid metabolism. Annual Review of Nutrition.

  • European Pharmacopoeia (Ph. Eur.) and United States Pharmacopeia (USP) monographs for specific amino acids.

  • Bando, H., et al. (2019). Effects of topical application of amino acids on the human skin. Journal of Cosmetic Dermatology.

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