At a glance
- Common name: Organic germanium / Ge-132 / BCGS
- IUPAC: Bis-(2-carboxyethyl) germanium sesquioxide
- Empirical formula: (GeCH₂CH₂COOH)₂O₃
- Standardization: ≥42.5% elemental germanium
- Form: White crystalline powder
- Item Code: 3640
What GeOxy-132™ Is
GeOxy-132™ is the trade name for bis-carboxyethyl germanium sesquioxide — a defined, synthetically produced organic compound containing germanium atoms covalently bonded to oxygen and carboxyethyl groups in a stable crystalline lattice. It is the same compound first developed and characterized in Japan in the 1960s and 1970s, and is the form of germanium used in essentially all responsible dietary-ingredient applications globally.
The Critical Distinction: Organic vs. Inorganic Germanium
There are two categories of germanium relevant to this market, and they have profoundly different safety profiles:
- Organic germanium — bis-carboxyethyl germanium sesquioxide (Ge-132 / GeOxy-132™) — is a defined organic compound with a long history of safe use at typical supplemental doses.
- Inorganic germanium — primarily germanium dioxide (GeO₂) — has been associated with serious nephrotoxicity, accumulation in the kidneys, and in some historical cases renal failure. It does not belong in a dietary supplement.
Because the two compounds are sometimes confused — and because lower-grade germanium products on the global market have, in the past, been contaminated with the inorganic form — sourcing matters more for germanium than for almost any other supplement ingredient. GeOxy-132™ is supplied at high purity with the inorganic germanium content verified per lot. The minimum elemental germanium content (42.5%) is the analytical anchor for the organic compound; the absence of inorganic germanium is the safety anchor.
Mechanism
The chemistry of GeOxy-132™ is centered on its sesquioxide structure — a network of germanium-oxygen bonds with pendant carboxyethyl groups. This structure gives the molecule pronounced redox activity and the capacity to participate in electron-transfer reactions. The early mechanism work in Japan, and subsequent research in the U.S., Europe, and East Asia, has explored its activity in immune-cell signaling, antioxidant systems, and cellular oxygen utilization.
Why Formulators Choose GeOxy-132™
- A defined, single-compound organic germanium with a verified purity profile.
- Minimum 42.5% elemental germanium — at the high end of available specs.
- Stable crystalline powder suited for capsule and tablet formats.
- Source qualified under GCI Sure™, with inorganic germanium content verified per lot.
- A long history of use in Japanese, Korean, and broader East Asian dietary and topical product traditions.
Where GeOxy-132™ Fits
Dosage formats: capsules, tablets, sachets, powders. Has historical use in topical and cosmetic applications in Asian markets — see the Cosmetic & Personal Care industry page.
Industries served: dietary supplements; cosmetic & personal care; specialty / premium positioning.
Technical Specifications
Reference values below are drawn from GCI’s product documentation. Request the current specification and lot-specific certificate of analysis before purchase.
| Detail | Information |
|---|---|
| Item Code | 3640 |
| Common Name | Organic germanium / Ge-132 / BCGS |
| IUPAC Name | Bis-(2-carboxyethyl) germanium sesquioxide |
| CAS Number | 12758-40-6 |
| Empirical Formula | (GeCH₂CH₂COOH)₂O₃ |
| Standardization | Minimum 42.5% elemental germanium |
| Inorganic germanium | Verified per lot — absence of GeO₂ contamination |
| Test method | Assay: titration (C0027.mth); germanium content: atomic absorption (C0026.mth) |
| Appearance | White to off-white crystalline powder |
| Solubility | Water-soluble |
| Particle size | >95% through 200 mesh |
| Loss on drying | <0.3% (2 hours at 120°C) |
| Heavy metals | As <0.5; Pb <0.5; Hg <0.1; Cd <0.1 mg/kg |
| Microbiology | Total plate count <100 cfu/g; coliforms <30 MPN/100 g |
| Origin | China |
| Shelf life | 3 years; protect from heat and moisture |
For allergens, gmo status, request the current product documentation.
Ordering Information
| Detail | Information |
|---|---|
| Standard packaging | Confirm the available pack size with your quote |
| MOQ | Quoted for the selected ingredient and order quantity |
| Lead time | Request current availability and delivery timing |
| Sample availability | Yes |
Quality, Compliance & Certifications
Request current certificates and product statements for the selected grade; certification availability is subject to verification.
- Distributed under cGMP and the GCI Sure™ program.
- Inorganic germanium content verified per lot.
- Request the current specification and lot-specific certificate of analysis.
Often Formulated With
- CoQ10 / ubiquinol — cellular energy and antioxidant stacks.
- Vitamin C, vitamin E, selenium — broader antioxidant formulations.
- Adaptogens (RhodiolaSure™, ashwagandha) — energy and resilience formulations.
- Cosmetic formulations (separately) — antioxidant skincare positioning.
Resources
- GeOxy-132™ specification — request through the technical documents form
- Current COA — request via form
Bring GeOxy-132™ Into Your Next Formulation
These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent disease. GeOxy-132™ is a trademark of GCI Nutrients, Inc.