Description

Product Name：Lutein Cocrystals

Active Ingredient：Lutein

Active Content：≥60%

Technology：Co-crystal Technology

Product Form：Crystalline Powder

Recommended Dosage：5–20 mg

Solubility：Approximately 5× higher

Absorption：3.4× higher vs. conventional Lutein crystals

Key Advantages： Enhanced Stability, Improved Solubility, Higher Absorption, Excellent Flowability

Encapsulation：Non-Microencapsulated

Formulation Profile：No Emulsifier, No Dispersant

Dosage Forms：Softgels, Hard Capsules, Tablets, Gummies, Powders

Applications：Dietary Supplements, Functional Foods, Nutritional Products

Supply：Bulk Supply, OEM & Customized Development

 

1.Lutein Cocrystals — A New Approach to Lutein Formulation

Lutein is a naturally occurring carotenoid and an important component of plant pigments. It is widely used in nutritional supplements, functional foods and eye-health formulations.

However, conventional Lutein presents significant formulation challenges.

Lutein is highly sensitive to light and oxygen, while its water solubility is extremely low. The supplied technical data indicates solubility of less than 1 μg/mL, contributing to low bioavailability and limiting its application in conventional food, nutritional and animal nutrition formulations.

Lutein esters provide another commercially available form with improved stability, but they must first undergo enzymatic conversion before the active Lutein can be absorbed.

Lutein Cocrystals take a different technical route.

Rather than relying on microencapsulation, emulsification or additional dispersing systems, the technology focuses directly on the solid-state structure of Lutein.

Through controlled Co-crystallization, Lutein is combined with an edible coformer to form an ordered crystalline structure with improved physicochemical properties.

 

2.What Are Lutein Cocrystals?

A Co-crystal consists of two or more solid components that form a defined crystalline structure through non-covalent molecular interactions.

In the case of Lutein Cocrystals, Lutein and an edible coformer interact at the molecular level and undergo supramolecular self-assembly.

Through molecular stacking, association and ordered arrangement, the components form a repeating three-dimensional crystal structure.

This process does not require changing the molecular structure of Lutein.

Instead, Co-crystal Technology changes the solid-state organization of the active ingredient, providing a new way to improve its physicochemical behavior.

Potential properties that can be optimized through Co-crystal engineering include:

• Stability
• Melting behavior
• Moisture resistance
• Solubility
• Dissolution
• Mechanical properties
• Powder flowability
• Bioavailability

For Lutein, this approach is particularly valuable because the major formulation limitations are closely associated with its solid-state properties and extremely poor solubility.

 

3.From Unstable Lutein to a More Stable Co-crystal Form

One of the key challenges of conventional Lutein is its sensitivity to light and oxygen.

This can create difficulties during:

• Raw material storage
• Manufacturing
• Product processing
• Packaging
• Transportation
• Finished-product shelf-life development

Lutein Cocrystals are designed to provide significantly improved physical and chemical stability through their engineered crystalline structure.

The objective is to create a more robust Lutein ingredient that is easier to handle and formulate while maintaining a high active content.

For manufacturers developing premium Lutein products, improved stability can provide greater flexibility throughout the entire product-development and supply chain.

 

4.Approximately 5× Higher Solubility

The extremely low solubility of conventional Lutein is one of its fundamental application limitations.

The supplied product data indicates that Lutein Cocrystals provide approximately 5× higher solubility compared with conventional Lutein.

Improved solubility can contribute to better dissolution behavior and provide a more formulation-friendly active ingredient for finished nutritional products.

This is particularly important when developing solid dosage forms where the physical properties of the raw material can directly affect downstream formulation performance.

The goal of the Co-crystal approach is therefore not simply to increase Lutein concentration, but to improve how the active ingredient behaves within the formulation environment.

 

5.   3.4× Higher Absorption

Improved solubility is valuable, but the ultimate objective is better utilization of the active ingredient.

According to the supplied human clinical research, Lutein Cocrystals demonstrated 3.4× higher absorption compared with conventional Lutein crystals.

This provides a clear differentiation from standard Lutein raw materials.

For manufacturers, the technology creates an opportunity to develop higher-performance Lutein products without relying solely on higher ingredient loading.

The key technical pathway is:

Co-crystal Structure → Improved Solubility → Improved Dissolution → Enhanced Absorption

This makes Lutein Cocrystals particularly attractive for premium nutritional products where bioavailability is an important product-development consideration.

 

6.High Active Content Without Microencapsulation

A major feature of Lutein Cocrystals is that the product does not rely on microencapsulation.

This is an important distinction from many conventional Lutein powders.

Instead of surrounding Lutein with an encapsulation matrix, the active ingredient is engineered through Co-crystallization to form a new crystalline material.

This provides several practical advantages:

High Active Content
≥60% Lutein provides a concentrated active ingredient format.

No Microencapsulation
The product is a Co-crystal rather than a microencapsulated powder.

Excellent Flowability
The crystalline powder demonstrates improved handling and flow characteristics.

Simpler Composition
No emulsifier or dispersant is required as part of the Co-crystal approach.

For buyers comparing different Lutein delivery technologies, this distinction is important because Cocrystals and Microencapsulation solve formulation problems through fundamentally different technical routes.

 

7.Excellent Flowability & Formulation Efficiency

In addition to stability and absorption, Lutein Cocrystals offer improved physical properties.

The crystalline powder has better flowability, which can provide practical benefits during industrial processing and dosage-form manufacturing.

Improved powder flow can help with:

• Raw material feeding
• Powder handling
• Blending
• Filling
• Manufacturing consistency
• Dosage-form processing

For capsule, tablet, gummy and powder manufacturers, this can translate into a more convenient raw material format.

This combination of high active content + crystalline structure + improved flowability gives Lutein Cocrystals an important advantage for commercial formulation.

 

8.Clean Formulation — No Emulsifier or Dispersant

Another key selling point for Lutein Cocrystals is the simplified formulation concept.

The product is designed without relying on:

• Emulsifiers
• Dispersants

This can be particularly attractive for manufacturers developing clean-label nutritional products or products where a simpler ingredient declaration is preferred.

Instead of building a complex delivery system around conventional Lutein, Co-crystal Technology provides a way to improve the active ingredient’s properties at the solid-state level.

That creates a different value proposition:

Improve the active ingredient itself rather than simply adding more formulation aids.

 

Lutein Cocrystals vs. Conventional Lutein

Feature	Conventional Lutein	Lutein Cocrystals
Active Content	Varies	≥60%
Solid-State Form	Conventional Lutein	Co-crystal Structure
Microencapsulation	May be used	No
Stability	Sensitive to light & oxygen	Enhanced
Solubility	<1 μg/mL	Approximately 5× higher
Absorption	Low	3.4× higher vs. conventional Lutein crystals
Flowability	Can be challenging	Improved
Emulsifier	May be required	No
Dispersant	May be required	No
Active Ingredient Format	Conventional Powder	Crystalline Powder
Dosage Forms	Multiple	Softgels, Capsules, Tablets, Gummies, Powders

 

9.Advanced Co-crystal Technology

Our Co-crystal Technology platform focuses on improving the physicochemical properties of active ingredients through controlled molecular interactions and supramolecular self-assembly.

The development process considers important factors including:

• Active ingredient characteristics
• Coformer selection
• Molecular compatibility
• Non-covalent interactions
• Crystal formation
• Solid-state properties
• Solubility and dissolution
• Stability
• Powder processing performance

Rather than simply changing the dosage or adding multiple formulation aids, Co-crystal Technology provides a molecular-level approach to improving the performance of challenging active ingredients.

For ingredients with poor solubility, low stability, difficult powder handling or limited bioavailability, Co-crystallization can provide a differentiated formulation route.

Lutein Cocrystals are one example of this solid-state engineering approach.

 

10.Advanced Ingredient Technology Platform

As a global supplier of nutritional ingredients and advanced ingredient technologies, we combine ingredient sourcing with technical evaluation and application-oriented development.

Our technology platform covers Co-crystal Technology, Co-amorphous Technology, Liposomal Technology, Microencapsulation Technology, Submicroencapsulation Technology, Microparticles, Pellet Technology and Granulation Technology, allowing different technical routes to be considered according to the characteristics of each active ingredient and target formulation.

This means customers do not have to rely on a single delivery technology.

Depending on the active ingredient and formulation challenge, we can evaluate different technical approaches to identify a more suitable route for the target application.

 

11.Customized Lutein Development & OEM

Different finished products may require different active concentrations, dosage levels, physical properties and processing characteristics.

We can support customized development based on:

• Target Lutein content
• Dosage requirements
• Dosage form
• Dissolution requirements
• Stability requirements
• Powder flowability
• Finished-product formulation
• Target market requirements

For manufacturers developing differentiated Lutein supplements, functional foods or advanced nutritional products, customized technical discussions are welcome.

 

12.Applications

Lutein Cocrystals can be used as a high-bioavailability Lutein ingredient for:

• Dietary Supplements
• Functional Foods
• Eye-Nutrition Products
• Advanced Nutrition
• Nutritional Powders
• Softgels
• Hard Capsules
• Tablets
• Gummies
• Animal Nutrition Applications

The broad formulation compatibility makes Lutein Cocrystals suitable for manufacturers seeking a stable, high-content and high-absorption Lutein ingredient.

 

13.B2B Bulk Supply of Lutein Cocrystals

For international ingredient buyers, Lutein Cocrystals offer a differentiated alternative to conventional Lutein powders, Lutein esters and microencapsulated Lutein products.

The product combines:

≥60% Lutein
Co-crystal Technology
Approximately 5× Higher Solubility
3.4× Higher Absorption
Enhanced Stability
Improved Flowability
High-Density Crystalline Powder
No Microencapsulation
No Emulsifier
No Dispersant

This combination makes Lutein Cocrystals particularly suitable for manufacturers looking to develop premium, high-bioavailability Lutein products with a simpler formulation concept.

We support bulk ingredient supply, OEM projects and customized development for international supplement manufacturers, functional food companies, ingredient distributors and product developers.

 

14.Key Advantages at a Glance

≥60% Lutein
High active content in a concentrated crystalline powder.

3.4× Higher Absorption
Human clinical research reports 3.4× higher absorption compared with conventional Lutein crystals under the tested conditions.

Approximately 5× Higher Solubility
Improved solubility helps address one of the fundamental formulation limitations of conventional Lutein.

Enhanced Stability
Designed to provide better physical and chemical stability against challenging environmental conditions.

No Microencapsulation
A true Co-crystal form rather than a conventional microencapsulated Lutein powder.

Excellent Flowability
Improved powder handling and processing performance.

Clean Formulation
No emulsifier or dispersant required for the Co-crystal approach.

Broad Dosage-Form Compatibility
Suitable for softgels, hard capsules, tablets, gummies and powders.

 

FAQ

1.What are Lutein Cocrystals?
Lutein Cocrystals are a crystalline form of Lutein produced using Co-crystal Technology, in which Lutein and an edible coformer form an ordered crystal structure through non-covalent molecular interactions.

2.How are Lutein Cocrystals different from conventional Lutein?
The key difference is the solid-state structure. Co-crystal Technology is used to improve Lutein’s stability, solubility, dissolution, flowability and absorption performance.

3.What is the active content?
The active Lutein content is ≥60%.

4.How much higher is the absorption?
The supplied human clinical research reports 3.4× higher absorption compared with conventional Lutein crystals under the tested conditions.

5.How much higher is the solubility?
The supplied product data indicates approximately 5× higher solubility compared with conventional Lutein.

6.Is this product microencapsulated?
No. Lutein Cocrystals are not based on microencapsulation. The active ingredient is formed into a Co-crystal structure through co-crystallization.

7.Does it contain an emulsifier or dispersant?
No. The product is designed with a simplified formulation profile without emulsifiers or dispersants.

8.Can it be used in tablets and capsules?
Yes. Lutein Cocrystals can be considered for softgels, hard capsules, tablets, gummies and powder formulations.

9.What is the recommended dosage?
The supplied recommended dosage is 5–20 mg, with the final dosage determined according to the finished-product formulation and applicable market requirements.

10.Can customized Lutein Cocrystals be developed?
Customized development can be discussed according to active content, dosage form, physical properties and target formulation requirements.