Curcumin C3 Complex®
turmeric extract standardized to three curcuminoids
CurcuminLast reviewed: July 11, 2026
Medical & Industry Advisor: Dr. James Pendleton, ND
Answer
Availability
We have not verified a current supply status for this ingredient. Unknown is our default: we publish a status only with dated evidence. If you have first-hand sourcing information, use the correction link below.
Owner and access
- Access model
- Licensed program
What it is
- Sabinsa's curcuminoid brand standardized to curcumin, demethoxycurcumin, and bisdemethoxycurcumin. [curcuminoids.com]
Spec parameters buyers should demand
What to ask for on the certificate of analysis and spec sheet. Identity, quality, and regulatory parameters only. This is not advice about efficacy.
| Parameter | What to ask | Why it matters |
|---|---|---|
| Curcuminoid content and profile | Sabinsa publishes Curcumin C3 Complex as turmeric extract standardized to 95% total curcuminoids. Ask the certificate of analysis to state the total curcuminoid content and the breakdown of the three curcuminoids (curcumin, demethoxycurcumin, bisdemethoxycurcumin), with the assay method.[curcuminoids.com — Curcumin C3 Complex][USP Curcuminoids Reference Standard] | The three-curcuminoid profile is the defining specification for a standardized turmeric extract, and the total figure alone does not show the profile. |
| Identity verification | Confirm the manufacturer runs at least one validated identity test on each incoming lot (for example HPLC), as 21 CFR 111.75(a)(1) requires for every dietary ingredient.[21 CFR 111.75(a)(1) — identity test required for each dietary ingredient] | Identity testing is a federal manufacturing requirement, and a certificate that names the method is the record your own quality file needs. |
| Botanical origin and natural-source authentication | Ask the CoA to confirm the curcuminoids are turmeric-derived (Curcuma longa) and to document screening for synthetic curcumin, a recognized turmeric-extract adulterant.[ABC-AHP-NCNPR Botanical Adulterants Prevention Program — Turmeric bulletin] | Synthetic or undeclared curcumin is a documented adulteration route for turmeric extracts, so natural-source authentication is a defining quality attribute. |
| Heavy metals | Request lead, arsenic, cadmium, and mercury results with the test method and the limits applied.[21 CFR Part 111 — cGMP for dietary supplements] | Heavy-metal control is a baseline quality attribute for any botanical extract and part of a complete certificate of analysis under 21 CFR Part 111. |
QC and testing considerations
- Every dietary ingredient must pass at least one validated identity test before use (21 CFR 111.75(a)(1)). Confirm your manufacturer runs identity testing on each incoming lot. [21 CFR 111.75(a)(1)]
- Turmeric extracts have a documented adulteration profile: undeclared synthetic curcumin, added colorants, and substitution with other Curcuma species. Ask the supplier how the material is screened for synthetic curcumin and species substitution, and for the three-curcuminoid breakdown rather than a total-curcuminoid figure alone. [ABC-AHP-NCNPR Botanical Adulterants Prevention Program — Turmeric bulletin]
- USP maintains a Curcuminoids compendial standard; ask whether the supplier's assay method is aligned to it so results are comparable across lots and suppliers. [USP Curcuminoids Reference Standard]
Further reading: How to read a certificate of analysis and third-party supplement testing.
Reference list
- USP Curcuminoids Reference Standard (compendial identity/assay standard) Pharmacopeia
- 21 CFR Part 111 — Current Good Manufacturing Practice for dietary supplements (identity testing at 111.75) Regulatory
- Curcumin C3 Complex (Sabinsa Corporation) — standardized turmeric extract, owner site Owner technical
A reference list is not claim substantiation. Under the FTC's Health Products Compliance Guidance (December 2022), marketing claims about a finished product require competent and reliable scientific evidence, typically randomized, controlled human clinical testing. Responsibility for substantiating product claims rests with the brand.
Manufacturers with stated capability
No manufacturer has a listed capability for this ingredient yet. Listings are positive-only: an entry states a manufacturer can run the ingredient, never that one cannot.
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Further reading
The decision framework behind this reference: five checkable criteria for choosing between a branded ingredient and its generic form.
What this page does not tell you
- Whether the owner will license your specific product or accept a new account.
- Pricing, minimum order volumes, or contract terms.
- Anything about efficacy. This is an identity and sourcing reference.
Prefills the ingredient into the RFQ Spec Builder. You enter your own formula; the tool formats it into a spec sheet.
Curcumin C3 Complex® is a registered trademark of Sabinsa Corporation. Inventory Ready is not affiliated with, licensed by, or endorsed by the trademark owner.
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