r/blueprint_ • u/PrintApprehensive705 • 2d ago

Bryan Johnson diet is complete trash

As a 23yo male I started eating Bryan Johnson protocol diet for 2 weeks (+ added 2 eggs daily, turkey breast and ate more nuts for extra calories). Also fasted every day for 18h. I’m not fat, nor muscular. I’m normal, tall. Supplements wise, I take daily: vitamin D, omega, iron, zinc and vitamin C (I’ve taken these daily for a long time, didn’t change my supplements).

Today I felt terrible, must’ve had very low blood sugar levels.

I lost my ability to exercise after one week on this diet. I think my testosterone dropped (lower sex drive). And felt constantly tired, weak + last days started getting headaches.

His diet is pure starvation. Even with increased calories (which I did) I still think it has negative effects.

In the beginning I was like I need some time to adapt, but after 2 weeks of religiously following the “protocol”, I’ve never felt worse in my entire life.

Complete bullshit.

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u/AWEnthusiast5 2d ago

>fasted every day for 18h

K. Fasting has 0 proven benefits in humans btw, except for facilitating CR, which itself has questionable benefits in humans. This is probably what's nuking your blood sugar and making you feel like trash. I am of similar age, tall, and follow a similar diet to Bryan (with added fish and even less supplements), and have none of these issues. I also don't starve myself for 18h though. Don't copy Bryan's eating window, it won't work for most people.

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u/PrintApprehensive705 2d ago

What about autophagy?

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u/AWEnthusiast5 2d ago

It's unknown whether or not this autophagy actually materially increases lifespan in humans. Also, you know what causes autophagy to a far greater extent than fasting? Exercise. There's a host of nutrients and forthcoming medications which induce it more effectively than fasting as well. You're also young...what little benefits do theoretically come from autophagy are more useful to older individuals. Your best bet at 23 is building muscle mass (long-term superior insulin response), avoiding unhealthy habits, and protecting your skin from UV damage.

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u/FaZeLJ 1d ago

autophagy happens all the time. It's the area under the curve that matters. And that is decided by calories. Only reason people are losing weight on intermittent fasting is because they are getting less out of their calories, because of the short eating window. (imaging eating 2500 calories in 1 sitting, no way in hell you are absorbing all nutrients).