Conflict of interest
DJW has received research funding from Arla Foods, Bayer Healthcare, and Fonterra and consultancy/speaker honoraria from Neurobrands, Naturex, and Bayer Healthcare. AS has received research funding from: Abbott Nutrition, Arla Foods, Bayer, DuPont, Fonterra, GlaxoSmithKline, Nestlé, Nutricia-Danone, and Sanofi. He has received consultancy/speaker fees/honoraria from Bayer, Coca Cola, Danone, GlaxoSmithKline, Naturex, Nestlé, McCormick, Pfizer, Pharmavite, Sanofi, Sen-Jam Pharmaceutical, and Verdure Sciences. He is on the Scientific Advisory Board of Sen-Jam Pharmaceutical and is Chief Scientific Officer for Ārepa Nootropics. All other authors report no conflicts of interest.