Cellular health

Cellular health covers the fundamentals of how your cells produce energy, manage oxidative stress, and repair damage—key drivers of performance, recovery, and long-term vitality. This topic explores habits, labs, supplements, and optimization strategies that support mitochondrial function, healthy inflammation, and longevity in men.

Foods that kill zombie cells: The science of eating for longevity

Foods that kill zombie cells: The science of eating for longevity

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 25, 2025 · 10 min read

Foods rich in senolytic polyphenols—especially fisetin and quercetin—may help the body eliminate senescent “zombie” cells by reducing their SASP-driven inflammatory signaling and supporting immune clearance. Here’s what cellular senescence is doing to muscle, heart, and metabolic health—and the specific nutrient-dense foods that may help you “clean house.” “We used to think aging was a passive ...

Longevity trends shifting men’s health from biohacking to proven science

Longevity trends shifting men’s health from biohacking to proven science

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 18, 2025 · 9 min read

Men’s longevity is shifting from speculative biohacking to evidence-based healthspan medicine that targets upstream biology—especially chronic low-grade inflammation (“inflammaging”), metabolic flexibility, and cellular repair—before disease and hormonal decline become entrenched. Here are the clinically grounded trends and tools (from precision testing to targeted interventions) that can help a man’s 70s function more like his 50s. ...

The science of supplements: Which vitamins actually fight male fatigue?

The science of supplements: Which vitamins actually fight male fatigue?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 18, 2025 · 11 min read

In men with low or marginal levels, repleting key energy cofactors — B vitamins (especially B12, folate, and B6) plus vitamin D and zinc — can reduce fatigue by supporting mitochondrial ATP production and stabilizing testosterone-related energy pathways. Here’s how to spot the signals, confirm them with the right labs, and target what’s actually limiting ...

How body fat speeds up aging in men: The science of metabolism and longevity

How body fat speeds up aging in men: The science of metabolism and longevity

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 10, 2025 · 14 min read

In men, excess visceral (deep belly) fat speeds up aging by acting as an inflammatory endocrine organ that releases cytokines such as TNF-α and IL-6, driving chronic inflammation, insulin resistance, and faster atherosclerosis. Losing just 5–10% of body weight in midlife can measurably improve blood sugar, blood pressure, and inflammatory markers—making fat loss one of ...

Glycine for sleep and performance: The amino acid you might be missing

Glycine for sleep and performance: The amino acid you might be missing

Dr. Jonathan Pierce, PhD avatar
Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist
Dec 09, 2025 · 10 min read

Glycine may improve sleep quality by helping lower core body temperature by roughly 2–3°F—a key physiological trigger for entering slow-wave (deep) sleep—by increasing blood flow to the extremities to dissipate heat. That thermoregulatory “cooling switch” is why this overlooked amino acid can support deeper, more restorative sleep rather than just making you feel sedated. “We ...

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