All about fruitarianism with a long-term fruitarian, Lena

Estimated Average Requirement (EAR) and Recommended Dietary Allowance (RDA) for amino acids (protein) for healthy adults 19 y and older, mg/kg/day:

  • Estimated Average Requirement (EAR): average, estimated to meet the requirements of 50%.
  • Recommended Dietary Allowance (RDA): average, sufficient to meet the nutrient requirements of nearly all.
Amino Acids EAR RDA
phenylalanine + tyrosine 27 33
valine 19 24
threonine 16 20
tryptophan 4 5
methionine + cysteine 15 19
leucine 34 42
isoleucine 15 19
lysine 31 38
histidine 11 14

Charles Darwin

There is no fundamental difference between man and the higher animals in their mental faculties . . . The lower animals, like man, manifestly feel pleasure and pain, happiness, and misery.


fungus is any member of the group of eukaryotic organisms that includes unicellular microorganisms such as yeasts and molds, as well as multicellular fungi that produce familiar fruiting forms known as mushrooms. These organisms are classified as a kingdom Fungi, which is separate from the other eukaryotic life kingdoms of plants and animals. Fungi do not use photosynthesis to create energy. Apple