Let's take a look at Dr. David Sinclair's supplement stack for longevity and anti-aging. Last updated March 2026— Sinclair updates his protocol as new research emerges, so check back regularly
Most people treat life expectancy like a fixed date on a calendar, but that’s an arithmetic lie. Death isn't a destination it’s a probability distribution. The standard actuarial number you see, 77 for men, 83 for women, is a mean average skewed by early accidents and
I often talk to couples who spend months meticulously planning a nursery, reading sleep-training books, and researching the safest car seats. Yet, when it comes to preparing the actual biological environment where that child will grow, the mother’s body, the standard medical advice is shockingly passive: "Stop taking
When we talk about biomarkers, we usually obsess over the mechanics: blood sugar, cholesterol, inflammation. These are the "what" of your physiology. But hormones? Hormones are the "how" and the "why." They are the architects, the project managers, and the foremen of your body,
Two years ago, I was doing some regular bloodwork, genuinely assuming I was the image of perfect health. Yet, when I got my results back, my Hemoglobin A1c (HbA1c) was on the border of the prediabetic range at 5.6%. I was initially in shock. I thought I ate pretty
There is a distinct paradox in modern health. We currently have access to more calories and food options than any civilization in history, yet from a biochemical standpoint, we are starving. Data from the National Health and Nutrition Examination Survey consistently paints a concerning picture. Despite high caloric intake, a
For years, we’ve been taught to measure health with external metrics: the number on the scale, our BMI, or the size of our jeans. While these can offer some insight, they don’t tell the whole story. True health is determined by what’s happening inside your body—how
Unfortunately, I am no stranger to ankle injuries. The worst injury of my life was a gnarly grade 3 sprain of my right ankle a number of years ago that took me out of commission for what felt like an eternity. So, this summer, when I rolled my ankle during
Here’s the reality of traveling for work: landing in a new time zone often means sacrificing two full days of peak performance to feel like a walking ghost. As someone who refuses to compromise on cognitive and physical output, I’ve spent the last few years treating jet lag
After a full year with Function Health, I wanted to sit down and share my experience. The big question on my mind is: will I be renewing my subscription, or is it time to explore other options? Before we dive in, a little about me. My name is Jake Kaiser,
Biomarkers of Longevity: A Scientific Review of Key Predictors for Long-Term Health and All-Cause Mortality
