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Elderberry · Various Amazon Brands (68%)
Elderberry Supplements (21 of 31)
CriticalAdulterated
What the lab found
21 of 31 elderberry supplements on Amazon did not contain authentic elderberry. 17 products (55%) were adulterated with black rice extract, a cheap substitute. Three products contained ONLY black rice.
Failure type · Adulterated
Spiked with undisclosed pharmaceutical ingredients or banned substances.
Source
Avula, J Food Compost Anal 2022; American Botanical Council, 2020