Vitamin E TPGS - Tocofersolan - High-Quality China Suppliers & Factory for Surfactant and Water Solubility
Vitamin E TPGS (Tocofersolan) is a versatile off-white or yellowish waxy solid, recognized for its exceptional surfactant properties and water solubility. This compound uniquely combines vitamin E ester groups with hydrophilic polyethylene glycol long chains, making it an ideal ingredient for various applications in the cosmetic and pharmaceutical industries. As a leading China supplier and factory of Vitamin E TPGS, we ensure high-quality products that meet international standards. Enhance your formulations with our reliable and effective Vitamin E TPGS, sourced directly from trusted manufacturers in China
Vitamin E TPGS (D-α-tocopherol polyethylene glycol 1000 succinate) is a water-soluble vitamin E derivative, which is formed by combining natural vitamin E (α-tocopherol) and polyethylene glycol (PEG) through a succinate bond. Its unique molecular structure gives it excellent amphiphilicity, which is compatible with fat-soluble substances and soluble in water, making it a highly efficient functional excipient and active ingredient in the fields of nutrition, health care and pharmaceutical preparations.
Core Applications in the Field of Nutrition and Health Care
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Enhancing the Absorption of Fat-Soluble Nutrients
As a natural emulsifier, Vitamin E TPGS can significantly improve the bioavailability of fat-soluble nutrients (such as coenzyme Q10, carotenoids, fish oil, etc.). Its micelle-forming ability helps these ingredients to be stably dispersed in the intestine and promotes absorption in the small intestine, which is especially suitable for people with weak digestive function (such as the elderly or postoperative patients). Studies have shown that TPGS can increase the absorption rate of certain fat-soluble ingredients by 2–5 times.
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Antioxidant and Immune Support
TPGS retains the strong antioxidant properties of vitamin E, can effectively remove free radicals, protect cell membranes from oxidative damage, and synergistically enhance immunity. Its water-soluble characteristics break through the traditional vitamin E absorption limitations, can directly reach the cellular aqueous environment, and achieve more efficient antioxidant defense, which is suitable for anti-aging, cardiovascular health and sports nutrition formulas.
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Special Dietary Supplement Carriers
TPGS is widely used in oral nutritional supplements (ONS) and medical foods to improve the delivery efficiency of fat-soluble vitamins (A, D, E, K), while improving product stability and avoiding stratification or degradation.
Innovative Value in the Pharmaceutical Field
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Drug Solubilization and Synergism
As an FDA-approved pharmaceutical excipient (GRAS certification), TPGS can improve the solubility and bioavailability of poorly soluble drugs, such as antifungal drugs (itraconazole) and anti-tumor drugs (paclitaxel). Its micelle encapsulation technology can reduce drug dosage and reduce liver and kidney toxicity.
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Targeted Delivery and Toxicity Reduction
In anti-tumor nanoformulations, TPGS as a carrier material can prolong drug circulation time, enhance tumor tissue permeability, and reverse multidrug resistance by inhibiting the function of P-glycoprotein efflux pump. Studies have shown that TPGS-modified nanoparticles can improve the efficacy of chemotherapy drugs by more than 50%, while reducing side effects such as hair loss and nausea.
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Development of New Delivery Systems
TPGS performs well in oral solid dispersions, self-microemulsification preparations and transdermal drug delivery systems, helping the development of sustained-release, enteric-coated or topical drug delivery products and expanding the possibility of innovative drugs.
Frequently Asked Questions (FAQ)
Q
What is Vitamin E TPGS and how is it different from regular Vitamin E?
A
Vitamin E TPGS (D-α-tocopherol polyethylene glycol 1000 succinate) is a water-soluble derivative of natural Vitamin E, created by esterifying α-tocopherol with polyethylene glycol (PEG) via a succinate bond. Unlike regular Vitamin E, which is fat-soluble and has limited bioavailability, TPGS is amphiphilic — it is compatible with both water and fat-soluble environments — making it far more efficiently absorbed and utilized by the body.
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How does Vitamin E TPGS improve the absorption of fat-soluble nutrients?
A
TPGS acts as a natural emulsifier and forms micelles in the gastrointestinal tract. These micelles encapsulate fat-soluble nutrients such as coenzyme Q10, carotenoids, and omega-3 fatty acids, allowing them to be stably dispersed and readily absorbed through the intestinal wall. Research indicates TPGS can increase absorption rates by 2 to 5 times compared to non-emulsified forms.
Q
Is Vitamin E TPGS safe to use in pharmaceutical and food products?
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Yes. Vitamin E TPGS holds GRAS (Generally Recognized As Safe) certification from the U.S. Food and Drug Administration (FDA), qualifying it as an approved excipient for use in pharmaceutical formulations, oral nutritional supplements, and medical foods. Its safety profile and multifunctional benefits make it a widely accepted ingredient in regulated health and pharmaceutical applications.
Q
What role does Vitamin E TPGS play in cancer drug delivery?
A
In oncology, TPGS is used as a carrier in nanoparticle formulations to improve the delivery of chemotherapy drugs such as paclitaxel. It prolongs drug circulation in the bloodstream, enhances permeability into tumor tissues, and inhibits P-glycoprotein efflux pumps — a key mechanism of multidrug resistance. Studies show TPGS-modified nanoparticles can improve chemotherapy efficacy by over 50% while reducing side effects like hair loss and nausea.
Q
Can Vitamin E TPGS be used in products for elderly or post-surgical patients?
A
Absolutely. TPGS is particularly beneficial for individuals with weakened digestive function, such as elderly adults and postoperative patients, who often struggle to absorb conventional fat-soluble nutrients. By forming stable micelles that facilitate intestinal absorption without requiring robust digestive capacity, TPGS enhances nutritional support in these vulnerable populations through oral nutritional supplements (ONS) and medical food formulations.
Q
What types of drug delivery systems can Vitamin E TPGS be incorporated into?
A
Vitamin E TPGS is highly versatile and can be formulated into a variety of advanced drug delivery systems, including oral solid dispersions, self-microemulsifying drug delivery systems (SMEDDS), transdermal patches, sustained-release formulations, and enteric-coated products. This flexibility supports the development of next-generation pharmaceutical products with improved efficacy, stability, and patient compliance.
