The $10 Tool That Predicts How Long You’ll Live

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At 71, I test my grip strength regularly — and it might be telling me more about how long I'll live than almost anything else I track.

Grip strength is one of the simplest, most powerful predictors of healthy aging there is. It's not about looking strong; it's a proxy for your whole neuromuscular system, and it correlates with mortality risk better than most people realize. The tool I use to measure and train it costs about $10.

I'm a Boomer running a long-term experiment on myself, documenting every intervention out in the open. Here's why your hands might be the most honest messenger you have about your own longevity.

 

These are products I use on my push to 200. I only put something on this list after I’ve tested it on myself. The links are affiliate links, which means I may earn a small commission at no cost to you.

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Telo-Vital
Telo-Vital Cellular Longevity Support
Developed with Dr. Bill Andrews. USDA Organic botanical extracts to support telomere health and cellular vitality.
GaryLeland.com/Telo
Breath of Life Toothpaste
Support Your Oral And Systemic Health
The world's first nitric oxide–enhancing toothpaste. Free from fluoride and harsh toxins.
GaryLeland.com/Toothpaste
Hume Body Pod
Know More Than Your Weight
Advanced body composition scale tracking body fat, muscle mass, visceral fat, and metabolic age.
GaryLeland.com/Hume
Vinia Blood Flow
VINIA: the Breakthrough Solution to Better Blood Flow
Kathy & I have been using Vinia for 6 months and are believers. We start everyday with Vinia.
GaryLeland.com/Vinia
True Dark Glasses
True Dark Glasses
I have been wearing True Dark Glasses at night and love them. One of the reasons I sleep so well.
GaryLeland.com/Glasses
Loop Earplugs
Protect Your Hearing Without Tuning Out Life
Stylish, reusable earplugs that lower harmful noise while you still hear conversations and stay aware.
GaryLeland.com/Loop
Jawzrsize
Jaw Training To Tighten My Jaw And Neckline
40 lbs resistance, tear-resistant food-grade silicone. Made in the USA. Save 20%.
GaryLeland.com/jawzrsize
Blueprint Cocoa Powder
A Spoonful In My 1st Morning Coffee
Every day since August 2025 — even take it on the road. Worth every penny. Save $20 + free shipping on your 1st order.
GaryLeland.com/Cocoa
Qitone Ketone Powder
Clean Energy, Mental Clarity, Brain Health
Flavorless ketone powder I use for sustained energy and mental clarity. Save 15% with code GARY15.
QITONE.com
Ultrahuman Ring Air
Know More. Do More.
I wear this 24/7 to track my sleep, recovery, and activity. Screenless alternative to a smartwatch.
GaryLeland.com/Ring
Function Health
Check Your Health. Every Year.
160+ lab tests detecting 1000+ conditions. Take control of your health and live better.
GaryLeland.com/Function
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Disclosure of Material Connection: Some of the links in the post above are “affiliate links.” This means if you click on the link and purchase the item, I will receive an affiliate commission. Regardless, I only recommend products or services I use personally and believe will add value to my readers. I am disclosing this in accordance with the Federal Trade Commission’s 16 CFR, Part 255: “Guides Concerning the Use of Endorsements and Testimonials in Advertising.”

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