The Fruitarian Experiment: Day One


Now that I’m in my offseason, I’ve decided to toy around with a few different things – diet, workouts, etc.

I’ve decided to start off with a 48-hour trial of fruitarianism. Fruitarianism means different things to different people, but generally, the diet revolves around acid fruits (citrus, pineapples, cranberries); subacid fruits (sweet cherries, raspberries, figs); sweet fruits (bananas, melons, and grapes); nuts (hazelnuts, pistachios, cashews); seeds (sunflower, squash, pumpkin); oily fruits (avocados, coconuts, olives); and dried fruits (dates, prunes, raisins).

What made me want to try being a fruitarian?

Until recently, I was only familiar with one fruitarian – ultra runner Denis Mikhaylove. Then, I recently listened to a podcast with another ultra star, Mike Arnstein – also a fruitarian. A tiny bit of research informed me that Steve Jobs was a fruitarian (—> Apple), as was Leonardo da Vinci.

The Research

To be honest, there isn’t much out there.

The Critics

If you only eat fruit, your diet will be missing X, Y and Z. Also, you won’t get enough calories.

The Response

Denis and Mike haven’t had any problems, and they are running (and winning) one hundred mile races (full disclosure: Mike takes a B12 supplement and Denis may or may not be taking supplements as well). They go years at a time without being sick.

Day One

Here’s what I had on day one:


4 apples (500 calories)


3 oranges (300 calories)


2 pounds of carrots (350 calories)


3 pears (375 calories)
1 apple (125 calories)
1 cucumber (75 calories)


1/2 pineapple (250 calories)
1/2 cantaloupe (150 calories)

Not bad for my first day as a fruitarian. I managed approximately 2125 calories and I had a decent variety of fruit. As you may have noticed, I also ate carrots and a cucumber. I’m having some vegetables in addition to fruit.

Check back tomorrow for an update on my fruitarian diet!

What is your favorite fruit?

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8 Responses to The Fruitarian Experiment: Day One

  1. I love fruit, but I imagine I’d get sick to death of it after a short time on this diet. I’m interested to see how you feel on it after a few days though!

  2. KrisLawrence says:

    I am so fascinated by this. I have never heard of anyone becoming a fruitarian before. Thanks for including the calorie count because I was skeptical you’d be able to get enough energy but clearly you did. Keep us updated!

    • Jason says:

      Will do! The guys I mentioned – Denis and Mike – I think they are closer to 3000 calories/day (to go with 100+ miles/week). I’d be skeptical but the results seem to speak for themselves!

  3. BANANAS! Where are the bananas??

  4. Oh, and perhaps you can delicately and perhaps vaguely describe how this diet effects your plumbing? Be careful on those long runs…

  5. Truthfully that sounds kind of awesome. Well, the thought of 2 lbs of carrots makes my jaw feel tired just thinking about it. I love apples but can’t eat them, however I do eat pineapple most every day.

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