The Nutrition Examination Research Digest (NERD) aims to provide rigorous, unbiased analysis of the latest and most important nutrition and supplementation studies. Click here to subscribe or (login if already a subscriber) .

In this article

Caffeine tolerance kills its benefits

The evidence for caffeine habituation's effects on its ergogenic properties has been mixed. This trial adds to the evidence by going for longer and not relying on self-reported caffeine intake.

Study under review: Chronic ingestion of a low dose of caffeine induces tolerance to the performance benefits of caffeine.

Introduction

Become a subscriber to the Nutrition Examination Research Digest to read the full article.

You can see a preview of the first three paragraphs. Becoming a member will keep you updated on the most important nutrition studies every month, and give you access to our back catalog of over 500 other articles.

Already a member? Please login to read this article.

Who and what was studied?

You saw why the research question was worth asking. Now find out the answer by subscribing to NERD today to read the full article (and over 500 other articles in our back catalog).

Best of all - only $1 for the first month!

Already a member? Please login to read this article.

What were the findings?

You saw why the research question was worth asking. Now find out the answer by subscribing to NERD today to read the full article (and over 500 other articles in our back catalog).

Best of all - only $1 for the first month!

Already a member? Please login to read this article.

What does this study really tell us?

You saw why the research question was worth asking. Now find out the answer by subscribing to NERD today to read the full article (and over 500 other articles in our back catalog).

Best of all - only $1 for the first month!

Already a member? Please login to read this article.

The big picture

You saw why the research question was worth asking. Now find out the answer by subscribing to NERD today to read the full article (and over 500 other articles in our back catalog).

Best of all - only $1 for the first month!

Already a member? Please login to read this article.

Frequently Asked Questions

You saw why the research question was worth asking. Now find out the answer by subscribing to NERD today to read the full article (and over 500 other articles in our back catalog).

Best of all - only $1 for the first month!

Already a member? Please login to read this article.

What should I know?

You saw why the research question was worth asking. Now find out the answer by subscribing to NERD today to read the full article (and over 500 other articles in our back catalog).

Best of all - only $1 for the first month!

Already a member? Please login to read this article.