Whiteriver Bio

A Jiahe Biotech company · Manufacturer direct

The ingredientsyour formulasdepend on.

Fermentation-made riboflavin, riboflavin sodium phosphate, L-theanine and citicoline, straight from our own plant to U.S. supplement, food, beverage and feed manufacturers.

Request a quote View product catalog
FSSC 22000 · SGSISO 9001 · SGSHACCP · SGSHalal · SSPYUSP monograph testedFermentation manufacturedCOA with every batchManufacturer directFull lot traceability
98%+
Minimum purity
100%
Batches shipped with a COA
2012
Manufacturing since
17
National patents in our group

Who are we?

The U.S. brand of a fermentation manufacturer.

Whiteriver Bio is the U.S. brand of the Jiahe Biotech group, a fermentation manufacturer of vitamins and amino acids.

Every product we sell is made at our own plant in Xintai, Shandong, China, certified by SGS to FSSC 22000, ISO 9001 and HACCP. In the U.S. we operate as Jiahe Biotech USA Inc. in City of Industry, California, giving buyers manufacturer-direct supply, full documentation and local support.

About us
Rows of glass autosampler vials with blue caps in a laboratory tray

Core product catalog

Five ingredients. Relentless consistency.

Made by fermentation at our own plant, tested batch by batch and shipped with a full certificate of analysis.

A mound of fine orange-yellow riboflavin powder beside a steel laboratory spatula
CAS 83-88-5

Riboflavin (Vitamin B2)

USP and food grade for supplements and fortification. 80% feed grade for premixers.

View specs
Yellow-orange powder dissolving in a glass beaker of water, colouring it bright yellow
CAS 130-40-5

Riboflavin 5′-Phosphate Sodium

The water-soluble form of vitamin B2 for liquids and clear beverages.

View specs
White crystalline L-theanine powder in a glass dish with fresh green tea leaves
CAS 3081-61-6

L-Theanine

High-purity L-theanine for supplements, beverages and cosmetics.

View specs
A mound of white citicoline powder beside clear capsules and a steel spatula
CAS 987-78-0

Citicoline (CDP-Choline)

High-purity citicoline for cognitive-health and focus formulas.

View specs
White citicoline sodium powder in a glass weighing bottle with a glass of water behind
CAS 33818-15-4

Citicoline Sodium

The sodium salt of citicoline, with near-neutral pH in solution.

View specs

Certified quality

Audited by SGS. Proven on paper.

Our manufacturing site holds current certificates for food safety, quality management and Halal production. Certificate numbers are listed so you can verify them.

FSSC 22000

Food Safety System Certification FSSC 22000 (version 6)

Issued by
SGS
Certificate
CN22/00001384
Valid until
June 10, 2028

ISO 9001

ISO 9001:2015 Quality Management Systems

Issued by
SGS
Certificate
CN22/00003401
Valid until
October 17, 2028

HACCP

HACCP, Codex Alimentarius CXC 1-1969 (2022)

Issued by
SGS
Certificate
CN22/00001385
Valid until
June 10, 2028

Halal

International Halal Certificate

Issued by
SSPY
Certificate
SSPY-201318-33820
Valid until
November 27, 2026

Quality and documentation

Why buyers choose us

Quality, documentation, local support.

01

Manufacturer direct

You buy from the company that ferments, purifies, tests and packs the product. No traders, no hidden sources.

02

Purity you can verify

A recent riboflavin batch assayed at 101.0% against a 98.0–102.0% USP limit. Every batch is tested before release.

03

A COA with every batch

Each certificate of analysis names our manufacturing site and batch number, with the result and method for every test.

04

Local support

U.S. sales, inventory and customer support from City of Industry, California.

How it works

From first inquiry to scheduled supply.

  1. Step 1

    Inquiry

    Tell us the ingredient, grade, annual volume and destination.

  2. Step 2

    Quote and documents

    Pricing arrives with the specification, a recent certificate of analysis and our certificates.

  3. Step 3

    Sample

    An evaluation sample from a production batch, free up to 1 kg.

  4. Step 4

    Qualification

    Your lab verifies the material against our certificate of analysis.

  5. Step 5

    Supply

    Scheduled orders by the drum, pallet or annual contract.

Who we supply

The sectors that depend on us.

We supply U.S. and international supplement manufacturers, ingredient distributors, premixers, and food and feed producers. Our products are exported to Japan, Korea, the European Union and South Asia.

A heap of white flour beside a bowl of yellow vitamin premix and ears of wheat

Food Fortification and Premix

Premixers and food fortifiers

Rows of clear capsules filled with white and pale yellow powder in a steel filling tray

Health and Supplement Companies

Supplement brands and contract manufacturers

A pale sparkling drink being poured into a glass in front of two plain aluminium cans

Functional Beverages

Beverage brands and co-packers

Feed pellets and corn kernels beside a steel scoop of yellow-orange vitamin premix

Animal Nutrition

Feed producers and premixers

Resources

Guides for formulators and buyers.

Vitamin B2

Riboflavin vs. Riboflavin 5′-Phosphate Sodium: Which Vitamin B2 to Use

Both supply vitamin B2. Riboflavin suits dry products; riboflavin 5′-phosphate sodium dissolves in water and suits liquids. How they differ in solubility, assay, dosing and regulation.

Read Vitamin B2

Riboflavin Grades Explained: USP, FCC and 80% Feed Grade

USP and FCC riboflavin is a high-assay crystalline powder for food and supplements. Feed grade is an 80% spray-dried granule for premixes. What each grade means and which to specify.

Read L-Theanine

L-Theanine: Production Routes and What GRAS Status Really Covers

L-Theanine is made by enzymatic conversion, chemical synthesis or fermentation. FDA GRAS notices apply to a specific producer's process, so GRAS status depends on who made the material.

Read

We're ready when you are.

Get pricing and full documentation in one inquiry. Our team responds within one business day.

Request a quote Request the document pack