LeafUp › The science behind LeafUp

The science behind LeafUp

LeafUp follows what large studies and guidelines from around the world agree on. Most of the evidence comes from long-term studies of many thousands of people, so we say “linked to”, never “prevents” or “cures”.

• GBD 2017 Diet Collaborators, The Lancet, 2019
  Diet-related deaths in 195 countries; the biggest risks were too much salt, too few wholegrains and too little fruit.
• Fadnes et al., PLOS Medicine, 2022
  Estimated life-expectancy gains from food choices; the largest came from pulses, wholegrains and nuts.
• Aune et al., International Journal of Epidemiology, 2017
  Meta-analysis of 95 studies on fruit, vegetables, heart disease, cancer and mortality.
• Aune et al., BMC Medicine, 2016
  Meta-analysis of 20 studies on nuts, heart disease and mortality.
• EAT-Lancet Commission, The Lancet, 2025
  A plant-rich diet for health and the planet.
• World Health Organization, Healthy diet (fact sheet)
  Fruit, vegetables, legumes, nuts and wholegrains; unsaturated fats; less salt.
• Nordic Nutrition Recommendations 2023
  A mainly plant-based diet rich in vegetables, fruit, pulses and wholegrains.
• Harvard T.H. Chan School of Public Health, Healthy Eating Plate
  Half the plate vegetables and fruit, a quarter wholegrains, a quarter healthy protein; water to drink.
• NHS, The vegan diet
  How to get vitamin B12, calcium, vitamin D, iodine, iron and omega-3 on a plant-based diet.
• Food Standards Scotland, Rice
  How to cool, store and reheat cooked rice safely.
• Centre for Food Safety (Hong Kong), Phytohaemagglutinin poisoning
  Why dried kidney beans must be soaked and boiled hard.
• Santé publique France, recommendations for adults, 2019
  More pulses and wholegrains; improve a dish you already like.

LeafUp gives general food guidance for adults. It is not medical or dietary advice. With a health condition, during pregnancy or with allergies, ask your doctor or a dietitian.