T. Colin Campbell Center for Nutrition Studies

The 4Leaf Survey

The 4Leaf for Life Survey was designed to help people everywhere leverage the simple, yet powerful, concept of maximizing the percentage of their calories from whole, plant-based foods – still in nature’s package. This survey identifies your current 4 Leaf “level” of eating. Note that even the 1-Leaf level is in the top 10% when it comes to healthy eating. These 12 questions will give you a pretty good idea of how you can improve your score.


For each statement, choose the word or phrase that best characterizes how you actually behave.
Note: A serving = about 1/4 plate

  • Fresh fruit. On average, how many daily servings of whole, fresh fruit do you eat? (Fruit juice doesn’t count; not a whole plant)
  • Whole vegetables. On average, how many daily servings of whole vegetables do you eat?
  • Whole grains, legumes, potatoes or other starches. On average, how many daily servings of these foods do you eat?
  • Omega-3s. Are you getting all you need from whole, plant-based sources like flaxseeds, walnuts, hemp, & chia seeds?
  • Dairy foods. How many days per week do you eat dairy foods like cheese, yogurt and ice cream? (Soy does not count)
  • Eggs. How many days per week do you either eat eggs or add them as an ingredient when cooking?
  • Cow’s milk or cream. How many days per week do you drink them or add to your food, like cereal, coffee, etc.?
  • Added Sugar. Are you really serious about eliminating added sugar at home and in food products that you buy?
  • White flour. Bread, pasta, cakes, cookies, etc. How would you describe your consumption level of these foods?
  • Sweet and/or Salty Processed Snacks. How would you best describe your consumption level of these unhealthy foods?
  • Meat, poultry and fish. How many of your meals per week include any animal flesh? (beef, pork, lamb, chicken, turkey or fish)
  • Vegetable Oil. How many of your meals per week include vegetable oil, like olive or canola? (All oil is 100% fat, not whole plant)


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