PureGBB™ Gamma-Butyrobetaine Ethyl Ester Chloride
PureGBB™ Gamma-Butyrobetaine Ethyl Ester Chloride

PureGBB™ Gamma-Butyrobetaine Ethyl Ester Chloride

The Next-Generation "Super Carnitine" for Thermogenesis, Fat Oxidation & Performance Energy

CAS No.: 51963-62-3
Product Name: Gamma-butyrobetaine ethyl ester chloride
Product Appearance: White to off-white crystalline powder
Product Specification: 98.0% MIN

01Product Description

The Next-Generation “Super Carnitine” for Thermogenesis, Fat Oxidation & Performance Energy

PureGBB™ is a high-purity Gamma-butyrobetaine ethyl ester chloride (GBB-EEC) raw material supplied by Shanghai Aidu Biotechnology. Gamma-butyrobetaine (GBB) is a premium functional ingredient developed for the global sports nutrition and weight management market.

As an upgraded precursor of L-Carnitine, PureGBB™ is modified with ethyl esterification for improved lipophilicity and cell membrane permeability. It stimulates the body’s endogenous carnitine synthesis. This endogenous activation mechanism delivers significantly higher bioavailability than conventional carnitine supplements, making it a clear growth driver in the dietary supplement industry, defined as the next-generation fat loss and recovery engine.

Market Trends

Market Expansion

The global sports nutrition market was valued at approximately USD 77.35 billion in 2026 and is expected to grow at a CAGR of 8.7%, reaching USD 138.48 billion by 2033. (Source: Grand View Research)

Recovery Demand

Post-workout recovery products have become a key segment driving industry growth, with rising consumer demand for precision recovery. (Source: Innova Market Insights / HNC Health Nutrition Expo)

02Core Technical Advantages

High Purity & Stability

Manufactured under strict purification standards, PureGBB™ achieves 99.0%+ purity, with excellent stability and flowability. Suitable for powders, capsules, tablets and pre-workout formulations.

High Bioavailability – Carnitine Precursor

Unlike conventional exogenous L-Carnitine, GBB-EEC promotes carnitine production via endogenous pathways, bypassing the low absorption issue of traditional carnitine.

Unique Thermogenic Effect

A powerful thermo-sweat catalyst, it induces body heat and perspiration. This immediate physiological response is perceived by fitness users as a clear sign of “fat burning”, delivering strong market differentiation.

03Core Benefits

Fat Burning & Sweating

High-Efficiency Energy Supply

Exercise Enhancement

Training Recovery

04Scientific Mechanism: From Endogenous Carnitine Synthesis to Mitochondrial Energy Metabolism

PureGBB™ (GBB-EEC) is a direct endogenous precursor of L-Carnitine. Its mechanism centers on the pathway: Carnitine Synthesis → Fatty Acid Transport → Mitochondrial Energy Production. Research confirms broad potential of GBB-type ingredients in exercise metabolism, thermogenesis and blood flow support.

Endogenous Carnitine Support

GBB serves as a direct biosynthetic precursor to L-Carnitine. By supporting the activity of the gamma-butyrobetaine dioxygenase (BBOX) enzyme, it helps maintain optimal circulating carnitine levels, establishing a foundation for efficient metabolic activity. (Ref: Rebouche CJ. J Nutr. 1989;119(12):1907-13)

Mitochondrial Energy & Fatty Acid Transport

L-Carnitine plays an essential role in the "Carnitine Shuttle" mechanism, assisting in the transport of long-chain fatty acids into the mitochondria. This process facilitates the conversion of fats into cellular energy (ATP), fueling endurance and supporting high-intensity exercise performance. (Ref: Annu Rev Nutr. related literature)

Thermogenic Support & Enhanced Sweat Response

Widely recognized for its unique thermogenic properties, GBB-EEC helps promote metabolic heat production during physical activity. This leads to a robust sweating response, a signature effect sought by elite athletes to optimize training intensity and water metabolism.

Blood Flow & Nitric Oxide Pathway Support

Emerging research links GBB esters to the Nitric Oxide (NO) pathway. By supporting healthy vasodilation and blood flow, it enhances nutrient delivery to working muscles, contributing to a superior "muscle pump" and facilitating recovery following strenuous training sessions. (Ref: Sjakste N et al. Eur J Pharmacol. 2004;495(1):67-73)

05Technical Specifications

* Based on typical 98% grade batch

ItemSpecificationTest Method
Assay98.0% MinHPLC-AREA
Loss on drying1.0% MaxUSP
Residue on ignition0.2% MaxUSP
Heavy metals10ppm MaxUSP
Pb1ppm MaxICP-MS
As0.1ppm MaxICP-MS
Hg0.1ppm MaxICP-MS
Cd1ppm MaxICP-MS
Mesh size20 MeshUSP
Total Plate Count1000cfu/g MaxGB4789.2-2022
Mold and yeast100cfu/g MaxGB4789.15-2016 I

06Application Directions & Solutions

Thermogenic Fat Burners

Function: Activates thermogenesis, accelerates fat oxidation and metabolic feedback

Dosage forms: Capsules, tablets, metabolic gummies

High-Stim Pre-Workout

Function: Synergistic energy activation + pump support, enhanced thermogenic workout experience

Dosage forms: Workout powders, energy shots, RTD beverages

Endurance & Energy Metabolism

Function: Optimizes mitochondrial fat utilization, boosts ATP production and performance

Dosage forms: Endurance powders, electrolytes, performance capsules

Advanced Carnitine Matrix

Function: Builds a complete endogenous carnitine metabolic chain, enhances supplement bioavailability

Dosage forms: Metabolic capsules, advanced sports powders, stick packs

.

07Compliance & Global Supply

Certification Systems: GMP, ISO, HALAL, KOSHER etc..

Clean Label: Non-GMO, consistent batch supply, traceable production

Global Supply: Supporting long-term stable supply and customized needs for the international market

Disclaimer: These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease. For B2B commercial use only.

08Frequently Asked Questions

What exactly is PureGBB™ chemically?

PureGBB™ is gamma-butyrobetaine ethyl ester chloride (GBB-EEC), CAS 51963-62-3, supplied as a white to off-white crystalline powder at 98.0% minimum assay.

How does GBB differ from standard L-carnitine?

GBB-EEC is the direct biosynthetic precursor of L-carnitine. Rather than supplying carnitine exogenously, it stimulates endogenous carnitine production via the BBOX enzyme, which addresses the low absorption of conventional carnitine and produces the signature thermogenic sweat response.

Do you supply COA and compliance documents?

Yes. Every batch is released with a COA covering assay, heavy metals (ICP-MS) and microbiology, produced under GMP/ISO with HALAL and KOSHER certification. MSDS and clean-label declarations are available on request.

What are the MOQ and delivery options?

Bulk material ships from China with local U.S. inventory in Los Angeles, CA for fast domestic delivery. Contact idusc@aidubio.com for MOQ, lead time and pricing.

GET IN TOUCH

Request a quote or sample

Tell us the ingredient and volume you need. Our team will respond with pricing, lead time and documentation.

+86-21-61049330 · +86-138-1774-6068
idusc@aidubio.com
Warehouse Address: Los Angeles, CA, USA

Tell us what you need

We use your details only to respond to this enquiry.