Mitochondrial health

Explore how mitochondrial function impacts energy production, athletic performance, and aging in men. Learn strategies to optimize your cellular powerhouses through nutrition, exercise, and targeted supplementation.

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The essentials for mitochondrial health — then explore the latest posts below.

The mitochondrial theory of aging: Why your cells lose power and how to fix it

The mitochondrial theory of aging: Why your cells lose power and how to fix it

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Jan 13, 2026 · 12 min read

Between ages 30 and 70, mitochondrial function in skeletal muscle can drop by 25 to 30%, lowering ATP production and slowing repair, fat metabolism, and hormone output. Many researchers consider these changes a core driver of aging. The good news is that mitochondria can respond to the right signals, and this guide shows how to ...

The science of caffeine free energy drinks: How to boost focus without the crash

The science of caffeine free energy drinks: How to boost focus without the crash

Dr. Jonathan Pierce, PhD avatar
Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist
Jan 10, 2026 · 12 min read

Non-caffeinated energy boosters, including caffeine-free energy drinks, may help support focus without a “crash,” largely by addressing fundamentals that influence energy and performance, such as hydration, electrolyte balance, and nutrient cofactors involved in energy metabolism. A “crash” is the rebound in sleepiness, brain fog, and low drive you feel when a stimulant wears off while ...

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 · 12 min read

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

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