All posts by John Alexander

Hi, I'm John, a researcher and writer.

With a keen interest in health and longevity.

Note: not an MD or PhD.

Hope you enjoy the site. If you've suggestions for content you'd like to see - let me know.

N95 vs FFP3 & FFP2 masks – what’s the difference?

In light of Covid-19 we’ll look at the difference between respirator filtering standards such as N95 and FFP2/FFP3… Masks vs Respirators Before we go any further, let’s just clarify on a technical difference between a “mask” and a “respirator”. In...

John Alexander / Updated December 4, 2021

Bredesen Protocol Book Summary – Including Diet, Supplements, Exercise & Sleep Optimizations

Dale Bredesen’s book The End of Alzheimer’s gives us a novel approach to first understanding, and then treating Alzheimer’s. It differs from the approach typically taken by doctors and pharmaceutical companies, whereby they prescribe one or two drugs to help....

John Alexander / Updated January 8, 2021

ProLon Soup Tips – How to add some flavor and spice to the soups

Whilst the ProLon diet may be great for our health, it’s somewhat limited in its scope of taste and ingredients. But it doesn’t always have to be – in this article I will share with you some ways to ‘spice...

John Alexander / Updated May 28, 2020

NMN Brand Comparison List

This post is a companion to the David Sinclair Supplements post. The intention is to bring together (hopefully) useful information into a single page, and speed up the analysis process. USA Brands       Third Party Testing Social Proof...

John Alexander / Updated December 30, 2021

Peter Attia’s Nutrition Framework Summarized – 3 Levers We Can Pull

Peter Attia recently summarized his nutrition framework into a 1 page diagram: Breaking dietary modifications into 3 “levers” we can pull. These are: CR – Calorie Restriction TR – Time Restricted Eating (often referred to as intermittent fasting) DR –...

John Alexander / Updated January 8, 2021

ProLon Cleanse – Will I Lose Weight? What to Expect?

Maybe you’ve heard of the ProLon diet, and you’re thinking of trying it, but would like to know a little more. Below we’ll look answering some of the questions you might have. Will I Lose Weight? ProLon has been shown...

John Alexander / Updated May 26, 2022

Peter Attia Supplements List – What He Takes & Why

Peter Attia is a medical doctor who focuses on the science behind living a longer, healthier life. In this post we’ll look at what Peter supplements, noting that’s what optimal for him isn’t necessarily optimal for you. Note: I’ve written...

John Alexander / Updated January 31, 2022

Peter Attia – Sleep Supplements & Hacks

Whilst a young Peter Attia used to stay awake for heroically long shifts during medical residency, he has since wizened up to the value of sleep. Making 8 hours of sleep per night a non-negotiable. Peter Attia’s Sleep Cocktail To...

John Alexander / Updated April 9, 2021

Current State of Longevity Science in 2019

Since reading Aubrey de Grey’s book Ending Aging, and realizing that aging itself is a problem to be tackled. I’ve been thinking more about what one can do about aging. As a result I ended up going to Aubrey’s Undoing...

John Alexander / Updated May 26, 2022

ProLon Review – My 5-Day Fasting Experience – Pros & Cons

I first came across the man behind the ProLon 5-day fast; Valter Longo – via one of Rhonda Patrick’s podcasts. He talked about many of the potential health benefits their fast can bring, including: Supporting the body’s natural processes of...

John Alexander / Updated April 21, 2021