Supplementary material A natural deep eutectic solvent (NADES) as potential excipient in collagen-based products Krister Gjestvang Grønlien a, *, Mona Elisabeth Pedersen b and Hanne Hjorth Tønnesen a a Section for Pharmaceutics and Social Pharmacy, Department of Pharmacy, University of Oslo, P.O. Box 1068 Blindern, NO-0316 Oslo, Norway; b Nofima AS, P.O. Box 210, NO-1431 Ås, Norway * Corresponding author. E-mail address: [email protected]