CellWell record HH-42565
Analytical Determination of Proanthocyanidin Content and its Association with Label-Declared Proanthocyanidin Amounts and Cranberry Material in Dietary Supplements: A Multilaboratory Study Using the 4-Dimethylamino-Cinnamaldehyde Method
Pandey D; Vavilala S; Gusev P; Andrews K; Oh L; Ekong J; Chung M; Wu X; Dwyer J; Pehrsson P
The Journal of nutrition ยท 2026
In plain language
Four independent laboratories measured proanthocyanidins in 53 cranberry supplements and found products declaring a proanthocyanidin amount contained significantly less than stated, with laboratory-to-laboratory variation of 22 to 32 percent.
- Evidence
- Emerging
- Design
- Primary research (design unspecified)
Cite this record: https://thecellwell.org/studies/HH-42565
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