Hey everyone, it's me back with another deep dive for the 200-Year Life Project. As a 70+ guy chasing that first 200-year lifespan, I'm all about foundational habits that keep my body functional and resilient. Lately, I've switched a lot of my daily walking and even some training to barefoot shoes (also called minimalist shoes). These are the thin-soled, wide toe box, zero-drop kicks that mimic going barefoot while protecting your soles. I've noticed stronger feet, better balance, and less lower body stiffness – huge wins when you're stacking protocols like full depth squats, NMN, and Vitamin D3. But are they backed by science? I've researched the latest studies (up to late 2025), and while they're not for everyone overnight, the health benefits for foot strength, posture, and longevity are compelling. Let's break it down.
What Are Barefoot Shoes, Anyway?
Barefoot or minimalist shoes have key features: a wide toe box for natural splay, zero heel-to-toe drop (flat like barefoot), thin flexible soles for ground feel, and no arch support or heavy cushioning. Popular brands include Vivobarefoot. They're the opposite of traditional cushioned runners with elevated heels and narrow boxes.
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Vitamin D3 (cholecalciferol) is the form our body produces naturally and the one most supplements use – it's more effective at raising blood levels than D2. It acts like a hormone, regulating over 1,000 genes involved in immunity, inflammation, cell growth, and more.
Resveratrol is a natural polyphenol, basically a type of antioxidant produced by plants to protect themselves from stress like UV rays or infections. We humans get it mostly from foods like red grapes (and yes, red wine), berries, peanuts, and even dark chocolate. It's been studied since the 1990s, but it really hit the spotlight when researchers linked it to the “French Paradox” – how the French eat rich foods but have lower heart disease rates, possibly thanks to their wine habits. In supplement form, it's often extracted from Japanese knotweed, and doses can range from 100mg to way higher in clinical trials. 
First, let's get real about the numbers. Living to 200 isn't just about beating aging – it's about funding a marathon existence. At my age, I'm already retired, but extending that to 2155 (yep, that's when I'd hit 200) means covering inflation, medical breakthroughs, housing, food, and maybe even some fun like attending BitBlockBoom conferences well into the 22nd century. 
Magnesium is involved in over 300 enzymatic reactions, but many forms have poor absorption or GI upset. Glycinate shines: High bioavailability, gentle on the stomach, and the glycine component adds its own sleep-promoting benefits (like my separate glycine dose).
Studies link it to:
Glycine is a non-essential amino acid—your body makes some, but we often don't get enough from diet alone (rich in collagen/bone broth). It's inhibitory in the brain, acting like GABA to promote calm, and uniquely lowers core body temperature—a key sleep trigger.
L-Theanine is a non-protein amino acid found almost exclusively in tea leaves (especially green tea). It crosses the blood-brain barrier and influences neurotransmitters: boosting GABA, serotonin, and dopamine for calm, while increasing alpha brain waves—the relaxed, alert state like meditation. 
Your circadian rhythm—the 24-hour internal clock governing sleep, hormones, metabolism, and repair—is primarily set by light exposure. Morning sunlight, especially the mix of red/orange wavelengths at dawn and the blue light spike as the sun rises, signals your suprachiasmatic nucleus (SCN) in the brain that it's daytime. 
What Makes Chlorella a Superfood?
At 70 years old, pushing hard toward my wild goal of living to 200 with The 200 Year Life Project, sleep is sacred—it's when the body repairs DNA, clears brain waste, and rebuilds for another day of optimization. But modern life is noisy: traffic, neighbors, snoring partners, even the hum of appliances. That's why I wear high-quality 
At 70 years old, on my relentless mission to live to 200 with The 200 Year Life Project, I'm always hunting for nutrient-dense additions that pack a serious punch against aging. That's why cod liver oil is a daily staple—I take one teaspoon straight (or in capsules when traveling) for its unbeatable combo of omega-3 fatty acids (EPA and DHA), vitamin A, and vitamin D. This isn't trendy fish oil; it's the real deal from cod livers, delivering anti-inflammatory power, heart protection, bone support, and immune resilience in one spoonful. 
At 70 years old, charging full speed toward my goal of living to 200 with The 200 Year Life Project, I've learned that the simplest metrics often reveal the biggest truths about health. Grip strength—the force you can generate with your hand muscles—has become one of my obsessions. It's not just about crushing a handshake; research shows it's a powerful indicator of overall health, frailty, and even lifespan in seniors like me.
Grip strength is often called a “biomarker of health status” because it reflects your overall muscle function, which ties into everything from mobility to metabolic health. Measured with a dynamometer (that's the device I use), it gauges how much force your hand can apply—typically in kilograms or pounds. For seniors, low grip strength is a red flag for accelerated aging, higher chronic disease risk, and shorter lifespan. 
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