1) 3.4 trillion in the USA extrapolated to Europe and the USA, https://www.mckinsey.com/industries/life-sciences/our-insights/digital-therapeutics-and-pharma-a-blueprint-for-success-from-sanofis-bozidar-jovicevic
2) European Prospective Investigation Into Cancer and Nutrition-Potsdam study. 2019.
3) Perfood estimate based on epidemiological data from various studies.; GBD 2017 Diet Collaborators. Lancet. 2019 May 11;393(10184):1958-1972.
4) 1 n = 49; real-world evidence from sinCephalea