John Alexander

All posts by John Alexander

Note: Not a Medical Doctor or PhD. I'm a researcher and writer, with a focus on the subjects of health and longevity. My intent is to write about scientific research in an accessible, understandable way. If you believe something I've stated needs a reference, and I haven't done so, please let me know in the comments.

Rhonda Patrick – Broccoli Sprouts, Sulforaphane & Moringa

In this post we’ll run through: What sulforaphane is, and why it’s of interest How Rhonda sprouts broccoli seeds for their sulforaphane content The sulforaphane supplements Rhonda takes Moringa, and why she’s started taking it The What & Why of...

/ March 16, 2021

Covid Vaccine Efficacy Comparison Table

Personally I was keen to understand the current efficacy of the main vaccines on the market – and so went back to primary data sources to compile the below table. Developer Efficacy Storage Cost Pfizer / BioNTech (mRNA) 1st dose:...

Is flying safe with the coronavirus? How to reduce your risk on planes

Unfortunately taking a flight does carry risk of Covid infection, due to the close proximity you’ll spend indoors with many people. And it’s not just the flight, but also the process of getting to and from the airports. However, as this...

Joe Rogan Supps Change Log

This post covers the changes I’ve made to the Joe Rogan Supplements article over time. Jan 14, 2021 – Updated: Added section on Quercetin, after Joe’s interview with Dr Mark Gordon. See clip here. Sept 10, 2020 – Updated: Added...

/ January 14, 2021

Double Wood Supplements Readers Special

Use the coupon codes below at the Double Wood supplements site:

/ October 9, 2020

N95 vs FFP Change Log

This post covers the changes I’ve made to the N95 vs FFP3 & FFP2 masks article over time. July 11, 2020 – Updated: Added section on risk mitigation for airplane flights. May 22, 2020 – Updated: Added section and research...

7 Tips To Help You Get Through a Multi-Day Fast

In this post I draw upon my own personal experience of fasting to share with you 7 tips to help you get through multi-day fasts. Let’s begin👇 1) Start Small and Build Gradually The longest I’ve fasted so far is...

Rhonda Patrick – Toddler Supplements

In Rhonda’s April Q&A sessions for crowd sponsors she discussed the supplements she gives to her toddler (if you’re a crowd sponsor, jump to 1h 15mins of that video). The supplements she opted for are chew-able, and (of course) Rhonda...

/ January 14, 2021

N95 vs FFP2 y FFP3 Máscaras – ¿Cuál es la diferencia?

Con el nuevo brote de coronavirus a nivel mundial, muchas personas están preocupadas por su salud y seguridad. En esta publicación veremos la diferencia entre los distintos estándares de filtrado de los respiradores más utilizados como el N95, FFP2 y...

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

With the novel coronavirus outbreak globally, many people are understandably concerned about their health and safety. In this post we’ll look at the difference between respirator filtering standards such as N95 and FFP2/FFP3… Masks vs Respirators Before we go any...

/ January 28, 2021