Carbs, protein, and fat: What are the best macros for weight loss? – the evidence

This guide is based on scientific evidence, following our policy for evidence-based guides.

It’s written by Dr. Bret Scher, MD, and it was published on July 15, 2021. It has been medically reviewed by Dr. Michael Tamber, MD, on June 25, 2021.

The guide contains scientific references. You can find these in the notes throughout the text, and click the links to read the peer-reviewed scientific papers. When appropriate we include a grading of the strength of the evidence, with a link to our policy on this. Our evidence-based guides are updated at least once per year to reflect and reference the latest science on the topic.

All our evidence-based health guides are written or reviewed by medical doctors who are experts on the topic. To stay unbiased we show no ads, sell no physical products, and take no money from the industry.1 We’re fully funded by the people, via an optional membership. Most information at Diet Doctor is free forever.

Read more about our policies and work with evidence-based guides, nutritional controversies, our editorial team, and our medical review board.

Should you find any inaccuracy in this guide, please email andreas@dietdoctor.com.

Return to Carbs, protein, and fat: What are the best macros for weight loss?

  1. A full declaration of potential conflicts of interests of individual authors or reviewers can be found on their personal pages, linked from their names.