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AMA: Plant vs. Animal Protein, Caffeine and Exercise, More VO2 Tests

Answers to your most pressing questions.

Post Summary

  • It’s the fourth Friday of the month—so it’s time for our AMA.

  • We’re answering the following questions from Two Percent readers:

    • Can you give me a definitive answer on plant versus animal protein? Is there a real difference between the two, and how much of each should I get?

    • I loved the VO2 test you wrote about on Wednesday, but I don’t want to run. Are there any simple ways to test my VO2 that don’t involve running?

    • I quit drinking caffeine but work out in the morning and need a boost. How influential is caffeine for performance? Could I use a pre-workout instead?

Housekeeping

  • Full access to this post is for Members of Two Percent.

    • Free subscribers get the first answer. Members get all the good stuff.

  • Become a Member below and get full access to all of our past and future Member posts and their audio and video versions.

Audio/podcast version

Why each question matters

  • The plant vs. animal protein question.

    • Whether plant or animal protein is “better” is a vicious, nerdy debate that has been going on for years. And it’s more important now than ever, with more and more plant protein options on the market.

    • But, recently, protein researchers have settled on how you should approach plant and animal protein for ideal health and performance.

    • We’ll also cover an ideal amount of protein for people who want to simplify but stay healthy, and a daily amount for those who want to optimize for fitness.

  • The caffeine question.

    • Caffeine is one of the most potent legal performance enhancers.

    • But most people use it in a way that takes away its benefits and can even cause.

    • We’ll explain how to use caffeine around your workouts to get its performance-enhancing benefits.

  • The VO2 test question.

    • Having a way to measure and test your fitness regularly can help you know where you stand, which can guide your exercise decisions in a way that enables you live better and longer.

    • We’ll give you five different tests that you can use to estimate your VO2 and how your fitness compares to other people your age.

Resources, citations, links, and transcript

The caffeine question

The VO2 test question

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