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3 contributions to Castore: Built to Adapt
DHA IS NOT A FAT…IT’S WIRING PART 2
f DHA is the conductor, plasmalogens are the shock absorbers. This is where a lot of well-meaning protocols quietly fail. They understand speed but not protection. They add DHA, stimulate mitochondria, increase throughput, and then act surprised when the system becomes fragile instead of resilient. Biology never makes that mistake. Everywhere DHA is used heavily, plasmalogens are there alongside it. Not as decoration. Not as redundancy. As a requirement. To understand why, we need to shift how we think about oxidative stress and membranes. Most people hear “oxidative stress” and imagine damage. Rust. Random molecular chaos. Something to suppress with antioxidants. That framing is incomplete. Oxidation is not inherently pathological. It is a consequence of electron movement. Where electrons move quickly, oxidation risk increases. The question is not how to eliminate oxidation, but how to buffer it without destroying signal integrity. That is exactly what plasmalogens do. Plasmalogens are a distinct class of phospholipids, not just another fat. Structurally, they look similar to phosphatidylcholine or phosphatidylethanolamine, but they differ in one critical way. At the sn-1 position, instead of an ester bond, they contain a vinyl ether bond. That bond is not a trivial substitution. It is the entire point. The vinyl ether bond is electron-rich and redox-reactive. It is preferentially oxidized. That means when oxidative stress rises locally at the membrane, plasmalogens take the hit first. They act as sacrificial buffers. This is where language matters. Plasmalogens are often described as “antioxidants.” That’s misleading. They are not free-floating scavengers. They are structural redox buffers embedded directly into the membrane architecture. They don’t eliminate oxidation. They shape where and how it happens. To make this intuitive, imagine a high-performance electrical system. You don’t protect it by removing electricity. You protect it by adding surge protectors, capacitors, and grounding pathways. Those components don’t stop current. They prevent spikes from damaging the system.
2 likes • 11d
And thank you for the breakdown, I did not understand the differences of function prior to reading this breakdown and as someone who takes high amounts of DHA, I find myself relating to your description of being a "high performer who feels paradoxically fragile." I'm also curious if there is any link to plasmologens deficiency in subjects with previous head trauma. I played football and rugby for years and have had a few serious concussions and I'm sure many minor ones. As I get older, I'm 32 now, I want to do everything I can to prevent any more damage and heal my brain as much as possible. I want to be an alert and fun grandfather for my kid's kids hahaha!
2 likes • 11d
@Anthony Castore I tried searching through your posts but I didn't see any previous content on neck and jaw mechanics. Do you have any resources you can share or plan to share in the future regarding these? I'll definitely need to shift my paradigm from performance to resilience. Again thank you for all of the information you share!
Why Death By 5’s Might Be The Most Efficent Training System You’ve Never Tried
Most lifters chase numbers. A heavier squat, an extra plate on the press, another rep on the pull-up bar. But chasing numbers alone doesn’t guarantee growth. True progress comes from mastery from owning every inch of the rep, from creating conditions where the muscle has no choice but to adapt. That’s where Death by 5’s enters the picture. At its core, Death by 5’s is brutally simple: a single set broken into three phases that hit all the major triggers of hypertrophy in sequence. In just one extended effort, you layer mechanical tension, stretch-mediated signaling, and metabolic stress the three pillars of muscle growth. Think of it as condensing a week’s worth of stimuli into a single block of time. The Set Structure A Death by 5’s set unfolds like this: 1. Five Paused Reps with Slow Eccentrics – a 5-second pause at mid-range, then an explosive concentric, followed by a 5-second eccentric. This primes the muscle with mechanical tension, the most reliable driver of hypertrophy. 2. Five One-and-a-Half Reps – working the stretched position with partials and controlled eccentrics. Here you tap into stretch-mediated hypertrophy, loading titin and amplifying signaling pathways that only activate under elongation stress. 3. Rep-Out to Failure – normal tempo reps until you can’t move the weight. This phase maximizes metabolic stress, flooding the muscle with metabolites and ensuring full motor unit recruitment. By the end, every fiber has been called into play, every growth signal has been fired, and the muscle has been pushed through all three hypertrophy mechanisms in one sequence. Why It Works What makes Death by 5’s so powerful is its time efficiency. Traditional programs might spread tension work, stretch emphasis, and pump training across multiple sets or even multiple sessions. Death by 5’s compresses all of it into one structured attack. It’s not just about saving time; it’s about stacking stimuli so the muscle can’t hide, adapt, or coast through the set.
0 likes • Dec '25
Could you elaborate on the 5 one and a half reps? Is it exactly how it sounds? For example on bench press it would be controlled on the way down, one full extension press, control on the way down, and press only half way and that would be one rep?
0 likes • Dec '25
@Anthony Castore I've been doing this for the last 2 weeks and my goodness is it tough. The amount of fullness and pump I get from this is insane, almost painful swelling of the muscle group I'm working. It's been good for the ego too as I have to go way lower in weight 🤣
Methylene Blue, Urine Color, and What It Reveals About Redox, Mitochondria, and Systemic Stress
Methylene blue is one of the most unusual therapeutic molecules in medicine because it behaves like a living sensor inside the body. It changes color depending on its electron state, donates and accepts electrons depending on mitochondrial demand, bypasses damaged respiratory complexes, and flows directly into the bloodstream, nervous system, and organs as a redox-active dye. While people know it turns urine blue, they rarely understand why that color appears, why the duration changes, and how those changes can reveal meaningful information about mitochondrial efficiency, liver and kidney function, and global redox tone. The truth is that the color shift is not just a cosmetic effect; it is a visible expression of the electron flow inside your cells. The speed at which urine returns to its normal yellow color becomes a rough, experiential marker of how well your body’s redox machinery is cycling. To understand this, the first step is recognizing that methylene blue exists in two major states: its oxidized form (bright blue) and its reduced form, leucomethylene blue, which is colorless. These two forms constantly convert into one another based on the availability of electrons. When methylene blue accepts electrons, it becomes colorless. When it donates electrons, it becomes blue again. This redox cycling is what makes methylene blue so therapeutically valuable it acts like a smart shuttle that smooths out problems in the electron transport chain, especially when complex I or III are underperforming. When mitochondria are stressed, over-reduced, under-fueled, oxidatively burdened, or deprived of NAD+, methylene blue helps buffer the system by accepting excess electrons or donating needed electrons. It reduces oxidative stress, stabilizes the flow of energy, and helps maintain membrane potential. But because it is also a dye, these internal dynamics show up externally, especially in urine. The moment methylene blue enters the bloodstream, the body begins metabolizing it in the liver, reducing it, cycling it, moving it into tissues, and eventually clearing it through the kidneys. The exact hue you see in the toilet depends on two things: how much of the molecule remains in its oxidized blue form versus its reduced colorless form, and how concentrated your urine is. Dark, heavily oxidized methylene blue produces a vivid blue-green color. When most of the MB is reduced and colorless, urine appears normal or lightly tinted. This is why two people taking the same dose can see dramatically different colors. The real insight emerges when you track how long the color lasts.
1 like • Nov '25
Very informative thanks Anthony! The only time I experimented with MB, my urine would become NEON green, not blue, and normally for a day or two. Would green be signaling something else?
1 like • Nov '25
@Anthony Castore I remember the first time, not knowing that MB caused that, I was so concerned haha! Thank you for the response!
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Garett Collins
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@garett-collins-8416
Husband, Dad, and Friend! Wanting to become the ultimate version of myself in each of those categories!

Active 3d ago
Joined Oct 18, 2025
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