OEM Calm Supplement Ingredients Manufacturer & Factories

Scientific Extraction, Global Compliance, and Tailored Formulations for Sleep, Stress Management, and Cognitive Balance

Biotechnology Enterprise Excellence

Dedicated to Natural, Safe & Innovative Active Ingredients for 14 Years

Le-Nutra is a biotechnology enterprise with an outstanding reputation in the industry. For over 14 years, we have dedicated ourselves to researching, producing, and marketing natural, healthy, and innovative raw materials widely used in the fields of Nutraceuticals, Functional Foods, Beverages, Cosmetics, and Personal Care.

We boast a broad product range that includes high-purity Botanical Extracts, Plant-based Proteins, Protein Hydrolysate Actives, moisturizing emollients, and eco-friendly Surfactants. Supported by state-of-the-art facilities covering 60,000 square meters, we maintain an annual raw material production capacity of 3,000 tons to ensure a stable supply for our global partners.

"Our six multi-functional production lines are equipped with varying configurations of extraction tanks, enabling the processing of a wide range of plant materials and the production of raw materials with diversified purities and targeted applications."

60,000 m²

Modern Production Facility

3,000 Tons

Annual Output Capacity

14+ Years

Botanical Extraction Research

40+ Countries

Export Destinations Globally

Xi’an Le-Nutra Ingredients Inc

World-Renowned Customer Cases & Export Experience Across 40+ Jurisdictions

With over 10 years of export experience and a robust catalog of world-renowned customer cooperation cases, we have accumulated expert knowledge in this field. Our high-quality ingredients and professional services have been recognized by buyers from the USA, Canada, UK, France, Germany, Switzerland, Spain, Netherlands, Belgium, Sweden, Thailand, Philippines, Japan, Korea, Russia, Singapore, Indonesia, and Brazil.

The Science of Calm: Neuro-Nutrients & Adaptogenic Action

Understanding how active ingredients modulate the HPA axis, balance neurotransmitters, and downregulate cortisol.

Rosmarinic Acid & GABA-T Inhibition

Rosmarinic Acid, sourced from premium Lemon Balm (Melissa officinalis), plays a critical role in calming formulations by inhibiting Gamma-Aminobutyric Acid Transaminase (GABA-T). This action slows the breakdown of GABA in the synaptic cleft, elevating natural levels of this inhibitory neurotransmitter to mitigate tension and promote tranquility without drowsiness.

SAMe (S-Adenosyl Methionine) Methylation

SAMe is a vital methyl donor in cellular pathways. In psychiatric health, it participates in the synthesis of critical monoamine neurotransmitters, including dopamine, serotonin, and norepinephrine. High-grade OEM S-Adenosyl Methionine raw powders support the maintenance of a healthy cell membrane structure and direct mood balancing pathways in the brain.

Melatonin Synthesis & Circadian Rhythms

Exogenous melatonin serves as a primary signal to coordinate circadian biology. By engaging with MT1 and MT2 receptors in the suprachiasmatic nucleus of the hypothalamus, it helps regularize sleep-wake cycles. Our bio-identical melatonin powders offer precise purity profiles suitable for sublingual, liquid, and gummy formats.

Research, Development & Molecular Engineering

Continuous innovation in collaboration with global scientific institutions to deliver high-efficacy ingredients.

Le-Nutra Laboratory Testing Equipment

Customized Solutions Powered by R&D

Le-Nutra focuses on providing innovative raw materials and tailored solutions for our business partners, backed by deep R&D capabilities and expertise in the cosmetics, personal care, and nutraceutical industries.

We maintain close cooperation with prominent universities and scientific research institutions worldwide. Our R&D department is comprised of a highly skilled team of professionals, including scientists, chemists, and formulation specialists, dedicated to advancing plant extraction and small molecule peptide technologies.

High Tech Chemical Separation and Analytics

Advanced Testing & Optimization

Our analytical labs are equipped with advanced testing instruments that enable accurate analysis and optimization of extraction processes. This includes HPLC, GC-MS/MS, ICP-MS, and UV-Vis spectrophotometers to guarantee standardizations of active ingredients, monitor heavy metals, and confirm the absence of pesticide residues.

Our team utilizes this strong technical base to conduct complex research, develop new ingredients, and fine-tune extraction methods to meet specific customer specifications, such as particle size modifications, spray drying, and granulating.

14+

Years in Bioactive Extraction

60,000

Square Meters Facility

3,000

Tons Annual Production Capacity

6

Multi-Functional Lines

China Factory 4.0: Supply Chain Resilience & Efficiency

Combining automated engineering with raw material traceability to secure your manufacturing pipeline.

Automated Extraction Loops

Our factory processes rely on closed-loop automated extraction systems that monitor temperature, solvent-to-material ratios, and pressure in real-time. This ensures batch-to-batch consistency and high extraction yields for delicate compounds, such as Rosmarinic Acid and Salicin, preventing thermal degradation and preserving bio-activity.

Traceability from Seed to Extract

We source our raw materials from contract farms that follow Good Agricultural and Collection Practices (GACP). Every batch of raw botanical material is documented from harvest to the finished powder state, providing transparent origin details for brands prioritizing clean-label claims.

Cost-Effectiveness & Global Logistics

Operating out of Xi'an, the traditional hub of China's botanical extraction industry, Le-Nutra benefits from localized raw material sourcing, mature industrial logistics, and established cargo lanes. These logistical factors allow us to offer competitive pricing without compromising on international purity standards.

Macro-Level Industry Solutions

Addressing the shifting regulatory and consumer landscapes for stress-relief and sleep-support products.

The global demand for emotional health and sleep-support supplements has created new hurdles for brand owners. Regulatory scrutiny over synthetic compounds and solvent residues continues to tighten, while consumer preferences move toward non-GMO, organic-certified, and vegan products.

Le-Nutra provides integrated sourcing and development solutions designed to address these challenges:

  • Clean Label Formulations: We specialize in water-extracted botanical ingredients, avoiding harsh organic solvents. This supports clean label declarations on packaging.
  • Synergistic Ingredient Blends: Our R&D team designs optimized combinations, such as pairing Lemon Balm (Rosmarinic Acid) with L-Theanine or Melatonin, to support dual-action sleep and relaxation products.
  • High-Solubility Powders: We refine physical powder properties to optimize solubility and dispersion. This facilitates application in diverse delivery formats, including ready-to-mix drink packets, functional beverages, and gummies.

Technical Roadmap & Future Outlook (2025–2030)

Exploring the next generation of mood-balancing compounds, synthetic biology, and bioprocess engineering.

Advanced Peptide Extraction & Bioinformatics

Le-Nutra is expanding its research into small-molecule plant peptides and enzymatic hydrolysis systems. Our forward roadmap includes using AI-driven screening to identify bio-active peptides in plant proteins that exhibit binding affinities for neurological pathways related to relaxation and stress mitigation.

By using target enzymes to break down plant protein isolates, we aim to unlock novel peptide sequences that support calm formulations, offering an alternative to traditional botanical extracts.

Green Chemistry & Sustainable Production

We are integrating supercritical CO2 extraction methods alongside green extraction solvents. Our goal is to achieve 100% circularity in solvent use and minimize waste across our production lines by 2030, in line with corporate sustainability standards.

This allows our brand partners to meet environmental, social, and governance (ESG) goals while ensuring the high purity of active ingredients.

Localization Support & Regulatory Compliance

Providing regulatory documentation and quality assurance to support international product registration.

US FDA & European EFSA Compliance

Our ingredients are manufactured to comply with US DSHEA guidelines, FDA FSMA rules, and European Novel Food parameters. We supply DMFs (Drug Master Files), technical dossiers, and comprehensive documentation to support regulatory approvals.

Religious & Lifestyle Certifications

To support global consumer markets, our production facilities and ingredients are certified Halal, Kosher, non-GMO, and vegan-friendly. We also provide certified organic alternatives for botanical extracts.

Third-Party Laboratory Verification

We work with independent testing organizations, including SGS, Eurofins, and Intertek, to verify the purity of our active ingredients, cross-reference pesticide profiles, and check for heavy metals before shipping.

Global Procurement & Supply Chain Logistics

Sourcing solutions designed for large-scale supplement manufacturers and multinational health brands.

We understand that supply chain stability is critical for large-scale operations. Sudden raw material shortages, fluctuating freight costs, and variable batch qualities can impact manufacturing pipelines.

To support procurement teams, Le-Nutra offers dedicated contract options:

  • Annual Supply Contracts: Lock in pricing and secure raw material supply lines with structured, multi-month contract arrangements.
  • Custom Mesh Sizes: We adjust milling parameters to produce fine powders (e.g., 80 mesh, 100 mesh) or granules optimized for your encapsulation, tableting, or drink-mix machinery.
  • Integrated Customs Clearance: Our export team coordinates customs requirements, import documentation, and shipping logistics to ensure deliveries reach your production facilities on time.

Frequently Asked Questions & Sourcing Guidance

Technical details, ordering processes, and quality standards for our OEM/ODM active ingredients.

What is the standard MOQ (Minimum Order Quantity) for OEM botanical extracts?

For standard raw material powders, our MOQ starts at 25kg, which aligns with our standard fiber drum packaging. For custom formulations, spray-dried blends, or granulated materials, the MOQ varies between 100kg and 500kg depending on the processes and extraction yields involved.

How does Le-Nutra control heavy metal limits and pesticide residues?

We test every raw material batch. Our QA laboratories use ICP-MS to verify heavy metal limits (Lead, Arsenic, Cadmium, Mercury) against USP and EP standards. Pesticide residues are tested using GC-MS/MS systems to meet compliance requirements in North American and EU markets.

Can you manufacture water-soluble formulations for liquid calm supplements?

Yes. We use advanced emulsification, spray drying, and micro-encapsulation techniques to improve the water solubility of lipophilic actives. This ensures that ingredients, such as Lemon Balm Extract, remain clear in water with minimal sedimentation or taste impact.

What is the typical shelf life of S-Adenosyl Methionine and Melatonin powders?

Our raw powders typically have a shelf life of 24 months from the manufacturing date, provided they are stored in their original sealed packaging in a cool, dry place away from direct light and humidity. Hygroscopic materials like SAMe require specialized barrier packaging to preserve active concentrations.

What documentation do you provide for international customs clearance?

We provide a comprehensive shipping packet, including a Certificate of Analysis (CoA), Safety Data Sheet (SDS), Packing List, Commercial Invoice, Certificate of Origin, and Phytosanitary Certificate (for botanical products). For European regions, we supply full EU regulatory declarations.