Supply Nutritional Supplement 99% L-Selenomethionine Powder Selenomethionine

• CAS No.: 3211-76-5
• Formula: C5h11no2se
• EINECS: 608-705-0
• Packaging Material: Paper
• Storage Method: Normal
• Shelf Life: >12 Months
• Nutrient Composition: Amino Acid
• Resource: Natural
• Transport Package: Paper Drum
• Specification: 25kg/drum
• Origin: China
• HS Code: 29224290
• Production Capacity: 5mt/Month

Product Description

Product Description

Product Name:L-Selenomethionine

 

CAS No.: 3211-76-5
MF: C5H11NO2Se
MW: 196.11g/mol
EINECS: 608-705-0

Description:
L-Selenomethionine is a critical organic selenium compound that supports antioxidant defenses, thyroid function, immune health, and cellular repair. By acting as both a bioavailable supplement and a selenium reservoir, it ensures sustained availability of this essential trace mineral while minimizing toxicity risks. Its role in selenoprotein synthesis underscores its importance in holistic metabolic and physiological health.

 

 

Product Parameters

Supply Nutritional Supplement 99% L-Selenomethionine Powder Selenomethionine
      

Test  Item	Specification
Appearance	Off-white powder
Loss on Drying	≤ 5.0%
Calcium Carbonate	≥ 98.0%
L-Selenomethionine	0.125% ~ 0.135%
Selenium	0.05% ~ 0.06%
Arsenic (As2O3)	≤ 1ppm
Lead	≤ 3ppm
Mercury	≤ 0.1ppm
Cadmium	≤ 1ppm
Bulk Density	0.6g/ml ~ 1.2g/ml
Tapped Density	0.9g/ml ~ 1.5g/ml
Aerobic plate count	≤ 1,000CFU/g
Moulds & Yeasts	≤ 100CFU/g
E. coli	Negative
Salmonella	Negative
Staphylococcus aureus	Negative

 

Packaging & Shipping

 

Function/Application

Supply Nutritional Supplement 99% L-Selenomethionine Powder Selenomethionine

APPLICATION:

1.Immune Function: Selenoproteins like thioredoxin reductases modulate immune responses and reduce inflammation.

2.Deficiency Prevention: Prevents conditions like Keshan disease and Kashin-Beck disease linked to selenium deficiency.

3.Thyroid Support: Beneficial in autoimmune thyroid disorders by reducing oxidative stress and supporting hormone metabolism.

4.Antioxidant & Anti-Aging: Mitigates oxidative stress implicated in chronic diseases (e.g., cancer, cardiovascular disorders) and aging.

 

Company Profile

Ningbo Newrainbow Biochemicals Co.,Ltd. is an Eastern China-based import and export company dealing with Amino acids, Vitamins, Plant Extracts and all the other Ingredients which are widely used in pharmaceutical, nutraceutical, food and cosmetical industry. Started in the year of 2012, we understand the importance of timely shipping and have built our business around reliable services. From beginning to the end, our customers know that they can trust our team to deliver only the highest quality customer service.


Ningbo is a beautiful city and also an ancient harbour city. It is an important trading port and today with 1.2 billion tons of freight the biggest harbour all over the world. And only 2 hours drive to Shanghai city. Thanks to the big advantages of location, we have very good partners of logistic solution to eliminate all of customers supply chain inefficiencies for you.  

Our young company started from the year of 2012, we have developed very good partnership with a lot of manufacturers here and many esteemed customers abroad.All the manufacturers we cooperated are carefully screened and we go to their plant often in case of inspection for some purpose. Certificates such like KOSHER/HALAL/FSSC are all available.

Certifications

Our Advantages

1.Strictly quality inspection before delivery
2.Very good logistics and transportation service
3.Good payment terms
4.Good communication