Longo’s Longevity Protocol — The Diet

I was very impressed with Valter Longo’s book The Longevity Diet and have implemented most of his recommendations on diet, exercise and fasting in my own life. For my own reference, I’m documenting those recommendations here. This is the barebones of the recommendations with my own comments, but without the extensive evidence Longo provides in the book.

You really should buy the book.


As should be obvious, do not take medical advice from some random guy on the internet. I am not a doctor, nor a dietitian, nor even particularly smart. Consult a doctor before doing anything stupid, which includes radically changing your diet or going on fasts.

I’m breaking this down into three pages, diet, exercise, and fasting. Here’s diet.

  1. Eat a plant based diet, plus some fish. Keep fish consumption to no more than two or three times per week. Choose fish, crustaceans, and mollusks with high Omega-3, Omega-6 and vitamin b-12 content such as salmon, anchovies, sardines, cod, sea bream, trout, clams, and shrimp. Minimize eating other animals, such as beef, chicken and pork and other animal products such as milk and cheese. (Note that this says minimize. I will on occasion indulge in meat or cheese if it would be rude to do otherwise, or if my wife insists on the duck ragu dish at the local Italian spot.)


  1. If you’re under 65, like me, keep your protein intake low. (0.31 to 0.36 grams per pound of body weight). Most of us aren’t going to do these protein calculations on a regular basis, but it’s worth doing once or twice to get a sense. Consume beans and other legumes as main source of protein. Those beyond age 65 should increase protein intake and consider re-introducing some animal protein.


  1. Endeavor to get most of your vitamins and minerals from food, but buffer with a multivitamin every 3 days.


  1. Based on your weight, age, and abdominal circumference, decide whether to have two or three meals per day. I tend to gain weight very easily so I am eating two meals a day plus two low sugar snacks of less than 100 calories. Longo recommends eating breakfast and either lunch or dinner. That doesn’t work for me, so I’m eating a breakfast snack and then lunch and dinner.


  1. Confine all eating to within a twelve-hour window. Don’t eat anything within three or four hours of bedtime. (I do this, mostly, but make exceptions for family events that fall outside the window.)


  1. Until age 65-70 depending on weight and frailty, undergo five days of fasting mimicking diet every one to six months, based on your goals and, if possible, medical advice.


Longo also recommends eating as your ancestors did, which, while it makes sense evolutionarily, (and is nice for Longo himself since he’s Italian) my ancestors lived on a rocky island in the North Atlantic and ate basically potatoes and blood sausage, so nope. Not gonna do that.

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