Coastline Blog
Deep Dive
Science-backed insights on longevity, sleep, nutrition, and aging from Dr. Greg Potter and world-class researchers.
Nicotinamide Riboside or Nicotinamide Mononucleotide... Or Neither?
A rigorous look at NAD+ precursors (NR, NMN) and whether they actually deliver on their anti-aging promise.
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Walking After Meals: The 10-Minute Habit That Crushes Glucose Spikes
Walking After Meals: The 10-Minute Habit That Crushes Glucose Spikes You finish lunch. Your brain says sit. Your body says sit. The couch says sit....
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VO2 Max: The #1 Longevity Number Your Doctor Isn't Tracking
VO2 Max: The #1 Longevity Number Your Doctor Isn't Tracking Your cholesterol. Your blood pressure. Your fasting glucose. Your doctor probably tracks all of them....
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Grip Strength: The 10-Second Test That Predicts How Long You'll Live
Grip Strength: The 10-Second Test That Predicts How Long You'll Live You can learn more about a man's health in ten seconds than most doctors...
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Can Grey Hair Be Reversed? What a Columbia Study Found About Stress and Mitochondria
You notice your first grey hair. Then a second. Then a handful. Most people chalk it up to age. Some blame genetics. A few blame...
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Glycine: The Simple Amino Acid That Fixes Sleep and Fuels Glutathione
#!/usr/bin/env node /** Marked CLI Copyright (c) 2018+, MarkedJS. (MIT License) Copyright (c) 2011-2018, Christopher Jeffrey. (MIT License) */ import { main } from './main.js';...
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Microdose lithium: the neuroprotectant hiding in plain sight
When most people hear "lithium," they think of psychiatric medication. Heavy doses. Serious side effects. Bipolar disorder. That association is understandable — but it obscures...
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How to treat obesity: what the science actually supports
Obesity is not a willpower problem. That framing has dominated public conversation for decades, and it's wrong. The science tells a different and more useful...
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A scientist's guide to fixing your sleep (no gadgets required)
You don't need a $300 sleep tracker to sleep better. You don't need a cooling mattress pad, a white noise subscription, or a smart ring....
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Creatine beyond the gym: what the brain and bone research says
Most people think of creatine as a gym supplement. Something bodybuilders take to squeeze out a few extra reps. That reputation isn't wrong — but...
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Longevity supplements: separating evidence from hype
The longevity supplement market has exploded. Hundreds of compounds are marketed as anti-aging solutions. Most of them are riding hype, not evidence. Our science team...
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The free longevity intervention most people overlook
The most effective health interventions are usually the simplest. They don't require a subscription, a device, or a biohacking protocol. Some of them have been...
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