A mixed grape and blueberry extract is safe for dogs to consume.
Martineau AS, Leray V, Lepoudere A, Blanchard G, Bensalem J, Gaudout D, Ouguerram K, Nguyen P; Neurophenols Consortium.
Martineau AS, et al. Among authors: gaudout d.
BMC Vet Res. 2016 Aug 3;12(1):162. doi: 10.1186/s12917-016-0786-5.
BMC Vet Res. 2016.
PMID: 27487916
Free PMC article.