Does a high protein diet accelerate aging?

Does a high protein diet accelerate aging?

Author: QuickAndDirtyTips.com, Monica Reinagel January 14, 2026 Duration: 9:37

847. Does a high-protein diet accelerate aging or shorten life expectancy? It’s not a simple yes or no.

References

Low Protein Intake Is Associated with a Major Reduction in IGF-1, Cancer, and Overall Mortality in the 65 and Younger but Not Older Population: Cell Metabolism

New Horizons: Dietary protein, ageing and the Okinawan ratio | Age and Ageing | Oxford Academic

Dietary protein intake and all-cause mortality: results from The Kawasaki Aging and Wellbeing Project - PMC

The impact of dietary protein intake on longevity and metabolic health - PMC

https://pmc.ncbi.nlm.nih.gov/articles/PMC9269106/

New to Nutrition Diva? Check out our special Spotify playlist for a collection of the best episodes curated by our team and Monica herself! 

We've also curated some great playlists on specific episode topics including Staying Strong as We Age, Diabetes, Weight Loss That Lasts and Gut Health! Also, find a playlist of our bone health series, Stronger Bones at Every Age

Have a nutrition question? Send an email to nutrition@quickanddirtytips.com.

Follow Nutrition Diva on Facebook and subscribe to the newsletter for more diet and nutrition tips. 

Find out about Monica's keynotes and other programs at WellnessWorksHere.com

Nutrition Diva is a part of the Quick and Dirty Tips podcast network.  


Hosted on Acast. See acast.com/privacy for more information.


You're probably tired of the constant noise around what to eat, with every headline seeming to contradict the last. Nutrition Diva cuts through that confusion. Hosted by Monica Reinagel, a seasoned expert from QuickAndDirtyTips.com, this weekly conversation feels like getting clear, practical advice from a trusted friend who actually understands the science. Instead of pushing fads, Monica takes the latest nutrition research and unpacks it in a way that makes sense for real life, separating the solid findings from the hype. She directly tackles the questions that pop up in your own kitchen, whether you're wondering about a new superfood or just trying to pack a better lunch. The goal isn't perfection, but building a sensible, sustainable approach to food that leaves you feeling informed and in control. Tuning into this podcast means replacing anxiety with actionable knowledge, so you can make choices that are right for you without the dogma. It's a grounded resource for anyone who wants to think about health and eating well, but could do without the extreme diets and scare tactics.
Author: Language: English Episodes: 832

Nutrition Diva
Podcast Episodes
361 ND How to Find Coffee That Won't Bother Your Stomach [not-audio_url] [/not-audio_url]

Duration: 6:54
Learn what to look for in a stomach-friendly brew. Read the full transcript here: http://bit.ly/1moOzSbNew to Nutrition Diva? Check out our special Spotify playlist for a collection of the best episodes curated by our te…
359 ND Balancing Optimal Nutrition with Sustainability [not-audio_url] [/not-audio_url]

Duration: 6:30
An all-star cast of nutrition experts gather to find the common ground in today's nutrition advice Read the full transcript here: http://bit.ly/21WaMXZNew to Nutrition Diva? Check out our special Spotify playlist for a c…
358 ND Can We Find Common Ground? [not-audio_url] [/not-audio_url]

Duration: 7:11
A few dozen of the world's leading nutrition researchers and influencers recently gathered in Boston to see what they could all agree on. Read the full transcript here: http://bit.ly/1O9cbq4New to Nutrition Diva? Check o…
356 ND Grain-Free Recipes for Thanksgiving [not-audio_url] [/not-audio_url]

Duration: 16:39
An interview with Danielle Walker of Against All Grain. Read the full transcript here: http://bit.ly/1kss79WNew to Nutrition Diva? Check out our special Spotify playlist for a collection of the best episodes curated by o…
355 ND What's the Difference Between Hazard and Risk? [not-audio_url] [/not-audio_url]

Duration: 5:39
When you know the difference between a hazard and a risk, you can live a more relaxed life. Read the full transcript here: http://bit.ly/1Mmcf2UNew to Nutrition Diva? Check out our special Spotify playlist for a collecti…
354 ND 4 Time-Saving Tips for Eating Healthy [not-audio_url] [/not-audio_url]

Duration: 7:26
Preparing healthy, wholesome meals doesn't have to be a full time job. Nutrition Diva has 4 tips that will save you time (and money) in the kitchen. Read the full transcript here: http://bit.ly/1RgU8LKNew to Nutrition Di…
353 ND Raw Mushrooms: Hazardous or Harmless? [not-audio_url] [/not-audio_url]

Duration: 5:35
Several well-known experts have warned against eating raw mushrooms due to toxins they contain. Nutrition Diva investigates whether this is something you need to worry about. Read the full transcript here: http://bit.ly/…
351 ND The Problem with Vegan Alternatives [not-audio_url] [/not-audio_url]

Duration: 5:39
It's getting easier to find vegan alternatives for virtually every animal product, from bacon to brie. Read the full transcript here: http://bit.ly/1ZGIhwgNew to Nutrition Diva? Check out our special Spotify playlist for…