Shaanxi LonierHerb Bio-Technology Co., Ltd is one of the most professional manufacturers and suppliers of l-se-methylselenocysteine in China, featured by quality products and good price. Please rest assured to wholesale bulk natural l-se-methylselenocysteine for sale here from our factory. Contact us for free sample.
Product Information
L-Se-Methylselenocysteine is an organic selenium compound, which is a selenomethylated derivative of L-selenocysteine, the 21st essential amino acid for the human body. It is soluble in water, insoluble in acetone and ether, it is white crystalline powder that smells like garlic. It is frequently used as a selenium nutritional enhancer and is found in food, health products, and medications since it is the safest and most readily absorbed form of organic selenium. SeMet is produced artificially or by biotransformation; it is not found in nature directly. The human body can readily absorb and use it due to its stable chemical composition.
Since L-selenomethyl-selenocysteine can be directly decomposed into methylselenol under the action of B-lyase in the human body, it is also called "methyl source selenium". It has multiple functions such as tumor inhibition, anti-oxidation, auxiliary treatment of cardiovascular diseases, detoxification, etc.
In 2002, seleno-methylselenocysteine was recognized by the US FDA as the latest generation of selenium source dietary supplements; in 2009, 3-(methylseleno)-L-alanine was approved by the Ministry of Health of my country as a new nutritional enhancer (Announcement No. 11 of 2009 on new varieties of food additives).
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Product Name |
Se-Methylselenocysteine |
|
Main Specification |
96% |
|
Abbreviation |
L-SeMC |
|
Appearance |
White Crystalline Powder |
|
CAS Number |
26046-90-2 |
|
Chemical Formula |
C4H9NO2Se |
|
Solubility |
Soluble in water, slightly soluble in methanol and ethanol, and insoluble in acetone and ether |
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Delivery Time |
2~3 days |
|
Min Order |
1Kg |
|
Package |
1Kg/Aluminum Foil Bag or according to client's requirement |
Why choose L-SeMC ?
1) High safety
Because its metabolic pathway in the body is clear and not easy to accumulate, it shows low toxicity even at high doses and is suitable for long-term supplementation.
2) High bioavailability
The human body cannot synthesize selenium on its own and can only ingest selenium sources from the outside. The human body has no organs to store selenium, so it must continuously obtain selenium from the outside. Diet is our main source of daily selenium supplementation. Although both organic and inorganic selenium in food can be absorbed by the human body, the absorption rate of organic selenium is much greater than that of inorganic selenium.
3) Multiple functions
It is not only a supplementary source of selenium, but also participates in various physiological processes such as anti-oxidation, immune regulation, and anti-cancer, and has a wide range of promoting effects on human health.
4) Good stability
During food processing, L-selenomethylselenocysteine can maintain relatively stable chemical properties and is not easily oxidized or decomposed. This means that adding L-selenomethylselenocysteine to food can better retain the nutritional value of selenium.

Technical Data Sheet
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Test Items |
Test Standard |
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Appearance |
White Crystalline Powder |
|
Odor |
With garlic-like smell, no odor |
|
Assay |
≥96.0% |
|
pH |
4.5 ~ 6.5 |
|
Specific Rotation |
-10 ~ -15 |
|
Loss on Drying |
≤1.5% |
|
Lead (Pb) |
≤2.0ppm |
|
Arsenic (As) |
≤2.0ppm |
LonierHerb Guarantee
LonierHerb Ltd mainly manufacture kinds of health ingredients .
- All goods are manufactured in GMP standard facilities.
- All goods are released after inspection by our independent laboratory or third party.
- All goods are transported by professional freight companies.
- Allergen Free
- Gluten Free
- GMO Free
Third Party Reports
We have cooperated with other famous third-party laboratories, such as Eurofins, SGS , we can arrange L-Se-methylselenocysteine Samples to reinspect according to customers requirements before shipments. Of course, even to the laboratory designated by the customers.

The documents supplied for you after shipment
■ Allergen Statement
■ GMO free
■ BSE-TSE Statement
■ Manufacturing Process
■ Food Certificate
■ MSDS(Material Safety Data Sheet)
■ Halal Certificate
■ ISO9001/ISO 20001
■ Certificate of origin
■ Specification Sheet
■ COA (Certificate of Analysis)
What is L-Se-methylselenocysteine Benefits ?
1)Antioxidant effect :
Selenium is an important component of glutathione peroxidase, and oxidase is one of the important antioxidant enzymes in the body. SeMet effectively removes free radicals by increasing the activity of oxidase, reduces the damage of oxidative stress to cells, and protects the integrity and function of cell membranes.
2)Immunomodulation:
Se-Methylselenocysteine has a bidirectional regulatory effect on the immune system, which can not only enhance the activity of immune cells and improve the bodys resistance, but also inhibit excessive immune response and reduce the occurrence of autoimmune diseases.
3) Anti-cancer effect:
Studies have shown that selenium can inhibit the proliferation of tumor cells, induce cell apoptosis, and block the occurrence and development of tumors through various mechanisms. As an effective supplement of selenium, SeMet shows great potential in the prevention and treatment of cancer.
4) Cardiovascular protection:
It can lower blood lipids, inhibit platelet aggregation, and improve endothelial function, thereby effectively preventing the occurrence of cardiovascular diseases.
5) Promote growth and development:
Selenium is an important component of many enzymes and proteins, and is essential for maintaining normal growth and development of the body. Appropriate supplementation of SeMet helps children grow up healthily and prevents problems such as growth retardation caused by selenium deficiency.
Package and Delivery Time

Where to buy Methylselenocysteine ?

As a professional L-Se-Methylselenocysteine supplier in China, if you have the desire to get further information regarding our products, Price, COA, Sample, MSDS and others, please do not hesitate to contact with us directly, we will do our best to service you at the first time. Email: info@lonierherb.com Whatsapp/Wechat: +86-13289383216
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