Exercising fasting or fed to enhance fat loss? Influence of food intake on respiratory ratio and excess postexercise oxygen consumption after a bout of endurance training.

Antonio Paoli, Giuseppe Marcolin, Fabio Zonin, Marco Neri, Andrea Sivieri, Quirico F Pacelli

February 2011 Int J Sport Nutr Exerc Metab

Synopsis of Social media discussions

The discussions revolve around whether fasting enhances fat loss, referencing studies from 1976, 2011, and a 2017 meta-analysis, with posts questioning if fasted cardio truly results in faster fat loss due to body compensation. The tone combines scientific critique with practical skepticism, reflecting deep interest and moderate agreement with the article's conclusions.

A
Agreement
 Moderate agreement

Most discussions acknowledge that fasting or fed states influence fat burning but highlight the body's compensatory mechanisms, showing moderate support for the study's conclusions.

I
Interest
 High level of interest

Posts indicate high interest, with references to multiple studies and debate about whether fasted cardio truly enhances fat loss, reflecting curiosity and engagement with the topic.

E
Engagement
 Moderate level of engagement

Some posts reference specific research years and meta-analyses, demonstrating meaningful engagement and critical evaluation rather than superficial comments.

I
Impact
 Moderate level of impact

Although discussions are robust, they tend to focus on physiological mechanisms rather than immediate practical applications, resulting in a moderate impact rating.

Social Mentions

YouTube

3 Videos

Facebook

22 Posts

Twitter

11 Posts

News

17 Articles

Metrics

Video Views

64,374

Total Likes

4,617

Extended Reach

730,926

Social Features

53

Timeline: Posts about article

Top Social Media Posts

Posts referencing the article

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Impact of Fasting and Feeding on Fat Loss During Endurance Exercise

Impact of Fasting and Feeding on Fat Loss During Endurance Exercise

This study examines how fasting or eating before moderate-intensity endurance exercise influences fat metabolism, showing that fasting may promote greater fat utilization post-exercise, while eating increases carbohydrate use during activity.

Average Bros Fit Media

September 30, 2020

113 views

  • SGIR
    @samgetitright (Twitter)

    https://t.co/AOIDVHQLGl
    view full post

    January 12, 2023

    1

  • Mike Matthews
    @muscleforlife (Twitter)

    Studies show this bonus probably doesn’t help you get leaner faster because our body compensates for an increase in fat burning during fasted cardio with a decrease in fat burning during the rest of the day. https://t.co/xty8LqK6Ky
    view full post

    September 25, 2022

    4

  • Mind Your Science!
    @MindYourSci (Twitter)

    RT @JeffNippard: References: 1976 Study: https://t.co/2lLe6glCHH 2011 Study: https://t.co/kYxpc0Pblb 2017 Meta-analysis: https://t.co…
    view full post

    September 15, 2022

    1

  • Jeff Nippard
    @JeffNippard (Twitter)

    References: 1976 Study: https://t.co/2lLe6glCHH 2011 Study: https://t.co/kYxpc0Pblb 2017 Meta-analysis: https://t.co/eeNZdssNaZ
    view full post

    September 14, 2022

    23

    1

  • Marcelo Santos
    @ProfDrMarcelo (Twitter)

    https://t.co/lP9xo9cKtk
    view full post

    August 18, 2022

    4

  • Mike Matthews
    @muscleforlife (Twitter)

    Does fasted cardio burn more fat than fed cardio? Yes. Does that mean fasted cardio helps you get leaner faster? No. Because your body "compensates" for this effect by simply burning less fat throughout the rest of the day. https://t.co/xty8Lr1I98
    view full post

    May 17, 2022

    6

  • rahaftariq
    @rt_fff (Twitter)

    RT @MoustafaELFarra: Study 3 : 2011 https://t.co/4jG0V67DjK اذا حرقت دهون اكثر داخل تمرينك وانت صايم رح تحرق اقل خارج التمرين والعكس صحي…
    view full post

    August 5, 2021

    11

  • ارسطو
    @immajnoonn (Twitter)

    RT @MoustafaELFarra: Study 3 : 2011 https://t.co/4jG0V67DjK اذا حرقت دهون اكثر داخل تمرينك وانت صايم رح تحرق اقل خارج التمرين والعكس صحي…
    view full post

    August 5, 2021

    11

  • كوتش مصطفى
    @MoustafaELFarra (Twitter)

    RT @MoustafaELFarra: Study 3 : 2011 https://t.co/4jG0V67DjK اذا حرقت دهون اكثر داخل تمرينك وانت صايم رح تحرق اقل خارج التمرين والعكس صحي…
    view full post

    August 5, 2021

    11

  • مهند الحيدري
    @M_AlHaidri (Twitter)

    RT @MoustafaELFarra: Study 3 : 2011 https://t.co/4jG0V67DjK اذا حرقت دهون اكثر داخل تمرينك وانت صايم رح تحرق اقل خارج التمرين والعكس صحي…
    view full post

    April 12, 2021

    11

  • Alanazi Abdulwahab
    @Hoopy_casillas (Twitter)

    RT @MoustafaELFarra: Study 3 : 2011 https://t.co/4jG0V67DjK اذا حرقت دهون اكثر داخل تمرينك وانت صايم رح تحرق اقل خارج التمرين والعكس صحي…
    view full post

    April 12, 2021

    11

Abstract Synopsis

  • The study examined whether fasting or eating before moderate-intensity endurance exercise affects fat metabolism, measured by oxygen consumption (VO2) and respiratory exchange ratio (RER), in healthy young men.
  • Results showed that eating breakfast increased VO2 and RER during and after exercise, indicating higher carbohydrate use, while fasting led to lower RER values 12 and 24 hours post-exercise, suggesting more fat utilization during fasting conditions.
  • The authors concluded that for fat loss, performing moderate exercise after a light meal is more effective than fasting, as fasting does not enhance lipolytic activity during exercise.