Close this search box.

Vitamin B12

Product Categories

Have questions about our products?

Simply fill out the form below and one of our customer service representatives will contact you shortly.


Contact Us

Address: Rm 218, Tangxing Digital Bld, #6 Tangxing Rd, Xi’an, Shaanxi, China
Phone: +86 17791258855
Landline: +86 (0)29 81870046

Vitamin B12

Other Name


Product Specification/ Purity

1%, 99%




Dark red crystalline powder or drak red crystals


Customized various dosage forms and packaging


HACCP, ISO22000, IS09001, Eu-Organic, Us Organic, HALAL, KOSHER

Vitamin B12

Product Description

Vitamin B12, also known as cobalamin, is a polycyclic compound containing 3-valent cobalt. Four reduced pyrrole rings are connected together to form a Gulin macrocycle (similar to porphyrin), which is the only vitamin containing metal elements. Vitamin B12 is a red crystalline powder, odorless and tasteless. It is slightly soluble in water and ethanol. It is most stable under weak acid conditions with pH value of 4.5 ~ 5.0. It decomposes in strong acid (pH < 2) or alkaline solution and can be damaged to a certain extent in case of heat. Higher animals and plants cannot produce vitamin B12. Vitamin B12 in nature is synthesized by microorganisms. Vitamin B12 is the only vitamin that needs the help of an intestinal secretion (endogenous factor) to be absorbed.


Product Specifications

Our vitamin B12 specifications are as follows: 1%, 99%.


Certificate of Analysis


1. Prevent and relieve anemia: Vitamin B12 is a water-soluble vitamin that has certain effects on maintaining the normal function of the brain nervous system and the formation of blood flow. Can prevent and relieve anemia
2. Nerve nutrition: Vitamin B12 has the function of protecting the nervous system.
3. Promote sleep: Vitamin B12 can promote falling asleep, improve sleep quality, and relieve the symptoms of dreaminess.
4. Relieve eye fatigue

Application Cases

Why RainWoodBiotech?

RainWood Biotech is engaged in researching, producing, and exporting concerning the field of health and fitness, cosmetics, pharmaceuticals, food, and beverages additives, and also feeding staff who have obtained EU and US organic certification, KOSHER, HALAL, ISO9001, HACCP, and ISO22000.
RainWood Biotech was established in 2006, located in Shaanxi Xi’an Hi-tech Development Zone, covering 19 acres of land with a factory construction area of around 10000 square meters.

RainWood Biotech believes that natural specialty ingredients and innovative technology are the best basis for us to serve our clients’ needs. We are capable and proud to provide the greatest product solutions to increase more value of the products themselves.

Frequently Asked Questions

Rainwood provides herbal extract, cosmetic ingredient and food additive product.

Our company has its own competitive R&D team, and currently owns more than 100 employees. Among them, there are 3 Dr. doctors majored in this field. Besides, Postgraduate employee accounts 10%, undergraduate employee accounts 15%, and professional technical personnel accounts 5%. Its professional talented personnel are completely equipped in laboratory for the quality control.
Various Detection Devices are well equipped, such as HPLC, GC, UV, TLC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.
The entire production process from the source of raw material, production, inspection, warehousing, customer service and other sectors are in strict accordance with the ISO9001:2015 system.
We will provide you with satisfactory products according to your requirements.

Please contact our sales person and they will guide you with an easy and professional way for your order.

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “”. 

Please tell us the products you need

We will offer you free samples and a certificate of analysis

We will contact you within 1 working day, please pay attention to the email with the suffix “”.