Dr. Oz wants people to stop eating breakfast in the morning but Mark Wahlberg isn’t having it.

The back-and-forth started when Wahlberg posted a video with his friend Dr. Christopher Vincent to push back on Dr. Oz’s advocacy for intermittent fasting.

RELATED: Mark Wahlberg Challenges Dr. Oz To A Workout After Disagreement Over Breakfast

“Listen, we got beef now,” Wahlberg said, explaining how Dr. Vincent had already been guiding him through nutrition and fasting techniques.

“If you wanna challenge me, I’ll come hungover, eat a big steak, and you can do your little 20 push-ups with one leg, your assisted pull-up, I’m telling you you’ll need a defibrillator when I’m done with you,” the actor added.

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Food for thought @dr_oz

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Dr. Oz soon responded with his own Instagram video showing him doing pushups and telling Wahlberg to “grab your defibrillator.”

“It’s about to go down,” Wahlberg said in another response video.

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@dr_oz see you soon! 💪🏼💪🏼💪🏼

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Finally, in another video, Dr. Oz actually demonstrated for Wahlberg how a real hospital defibrillator works.

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The doc is in, @markwahlberg.

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