D-a-Tocopherol is a member of the vitamin E family, also known as Bioactive E vitamins. Vitamin E consists of eight biologically active components, among which it is a commonly occurring one, and is widely used in health supplements and cosmetic products.
It is a natural component of vitamin E, mainly found in plant oils such as wheat germ oil, sunflower seed oil, safflower oil, and corn oil. Additionally, some green vegetables and nuts also contain small amounts.

However, it is an unstable component that is easily decomposed by light, oxygen, and heat. It has strong antioxidant properties, protecting the body's tissues and cells from damage by free radicals, and preventing and treating diseases such as cardiovascular disease, diabetes, neurological disorders, and cancer. Moreover, it has good moisturizing, soothing, and whitening effects, making it suitable for use in cosmetic products.
COA
|
Item |
Specification |
Result |
Method |
|
Assay
|
d-alpha-Tocopherol ≥1000IU/g |
1020IU/g |
GC |
|
alpha-Tocopherol ≥67.11% |
68.7% |
GC |
|
|
Appearance |
Yellow to Brownish Red Clear oily liquid |
Conforms |
Organoleptic
|
|
Odor & Taste |
Characteristic |
Conforms |
|
|
Identification |
|
Identical |
TLC |
|
Residue on Ignition |
≤0.2% |
0.04% |
CP2020 |
|
Specific Rotation[ɑ]D25° |
≥+24° |
+24.6° |
CP2020 |
|
Acidity |
≤1.0ml |
0.15ml |
CP2020 |
|
Benzo(a)pyrene |
≤ 2ppb |
Conforms |
CP2020 |
|
PAH4 |
≤ 10ppb |
Conforms |
HS-GC |
|
Ethanol |
Conforms |
Conforms |
HS-GC |
|
Total Heavy Metals |
≤10ppm |
Conforms |
Colorimetry |
|
Arsenic(As) |
≤1ppm |
Conforms |
AAS |
|
Lead(Pb) |
≤1ppm |
Conforms |
AAS |
|
Mercury(Hg) |
≤0.1ppm |
Conforms |
AAS |
|
Cadmium(Cd) |
≤1ppm |
Conforms |
AAS |
Production Process:
Its production process includes extraction, refining, crystallization, steam distillation, filtration, and drying processes.
1. Mixed vitamin E oil is extracted from plant oil;
2. Followed by separation, purification, and crystallization to obtain crystals containing D-a-Tocopherol.
3. Through processes such as steam distillation and filtration, high purity and strong stability particles and liquid products are obtained.
Its purity and quality are crucial because different purities can have a significant impact on its antioxidant and sun protection abilities. During the production process, QYherb strictly controls raw materials and employs precise adjustments to production processes such as mixing, separation, and refinement. In addition, a variety of modern detection technologies such as HPLC -MS is utilized to ensure the quality and purity of the products.
What’s the Key Function of Supplements?
D-a-Tocopherol is an important health ingredient that primarily functions in two ways:
1. It has antioxidant properties which allow it to eliminate free radicals in the body and prevent damage to cells and tissues caused by them.
2. It enhances physiological functions by boosting immunity, promoting blood circulation, preventing cardiovascular disease, improving skin radiance, and offering several other benefits.
What’s the Key Function of Cosmetics?

D-alpha-tocopherol is widely used in cosmetics for its antioxidant, moisturizing, repairing, and whitening properties. It effectively suppresses the formation of melanin, enhances the skin cells' resistance, and improves problems such as dryness and roughness, making the skin softer, smoother, and more elastic. In addition, it can also be used in sunscreens to help the skin resist the damage of ultraviolet rays and prevent skin aging and the formation of dark spots.
How to Quality Assurance?

How to get customer service?

After-sales service:
1. if goods have any quality problems, please provide your testing report. we will provide a replacement service or refund your money.
2. We can provide a COO certificate to you if you need it. Of course, that’s according to your order quantity.
3. Sample can be free to you. But freight needs the charge.
4. 24-hour online service. (please contact me via WhatsApp or WeChat)
5. OEM service(customer packing-capsules, tablets, premix.......)
6. Formula design(lab help you do that.)of course, it needs a charge.
Why choose us?
- We provide prompt and efficient delivery of our Vitamin products to any destination worldwide.
- We will continue to use leading technology, high-efficiency production organization and quality control capabilities to make us the most competitive and specialized D-a-Tocopherol company.
- We provide complete documentation and certification for our Vitamin products upon request.
- Our company has a high-quality international trade team, strictly control product quality, constantly optimize service awareness and innovative quality, to provide customers with excellent products and high-quality prices.
- Our business is based on supplying and manufacturing Vitamin products, as we offer competitive prices.
- Your demand is our requirement and the beginning of our cooperation.
- We are passionate about producing Vitamin products that make a real difference to our customers' lives.
- We are committed to pursuing the effect of product excellence.
- As a Chinese Vitamin products manufacturer and supplier, we offer competitive prices and reliable delivery services.
- At the same time of economic development, our company vigorously promotes the construction of corporate culture, cultivates the common values and sense of honor of employees.
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