Plain curcuminoids / standardized turmeric extract (>=95% curcuminoids)
Plain curcuminoids / standardized turmeric extract (>=95% curcuminoids) is a tier 3 form of Curcumin (Curcuminoids), used in 1,971 on-market products .
1,971
on-market products
tier 3
quality tier
n/a
elemental fraction
Typical standardization: >=95% total curcuminoids by HPLC (industry QC convention, also the reference material used in bioavailability trials)
Why this tier: Reference/baseline form in bioavailability studies; poor oral bioavailability from rapid intestinal/hepatic glucuronidation and sulfation, and low aqueous solubility.
Source: Cuomo J et al. 2011, J Nat Prod 74(4):664-669, PMID 21413691