Energy & Mitochondria
Feeling tired, foggy or slow to recover is downstream. Upstream, almost every road leads to the same place: the mitochondria, the tiny power plants inside your cells, and the molecules they depend on, like NAD⁺. This is where we follow the thread.
Why am I always tired after 40? The upstream answer
Most articles hand you a list of ten causes and stop there. We start with that list, then keep asking "what comes before this?" until we reach the part of you that actually makes energy. And the culprit there usually isn't your birthday.
Energy & MitochondriaHow to increase mitochondria naturally (and what's just hype)
Your cells can build brand-new power plants at any age. They just need the right signal. Here's what sends it, what doesn't, and a simple way to do both jobs at once.
Energy & MitochondriaDoes urolithin A work? What the human trials actually show
It's sold as a pomegranate-powered fix for aging muscles. The real story is more interesting: the trials missed their main goals, yet still found something worth paying attention to. Here's how to read them honestly.
Energy & MitochondriaThe first part of you to break isn't in your nucleus
Inside every cell, the tiny power plants that make your energy keep their own private copy of instructions. Those instructions wear out faster than the main copy kept in the nucleus, the cell's control center. But the story everyone tells about why is probably wrong.
Energy & MitochondriaCoQ10: who actually needs it?
It's sold as an energy and heart supplement for everyone over 40. In reality, the evidence points to a few specific groups, and for most healthy people it's a solution looking for a problem.
Energy & MitochondriaNMN vs NR vs NAD⁺: what actually raises NAD⁺, and does it matter?
Three products, one promise: more of a molecule that falls with age. Raising it turns out to be the easy part. Proving it makes you healthier is where the story gets thin.
Energy & MitochondriaZone 2 training for longevity: how to do it, and what the hype gets wrong
Easy, conversational cardio became the internet's favorite longevity workout. It deserves a place in your week. It just doesn't deserve the crown it's been given.
Energy & MitochondriaBrain fog after 40: what comes before it
Forgetting words, losing your train of thought, feeling like your brain is running through mud. It's common after 40. But fog is a symptom, and following it upstream usually leads somewhere you can act on.