Blog

Technical deep-dives, product updates, and industry analysis.

Three meals a day history

Who Decided Three Meals a Day?

Nobody decided. The factory bell did. A history of eating, six popular diets and their evidence, the nutrients most people are missing, and why one dietary recommendation for 8 billion people makes no sense.

Decisive Labs · April 28, 2026 · 45 min read
LDL ApoB statin debate

The LDL/ApoB Debate: Statins, Saturated Fat, and the Science Nobody Agrees On

A deep dive into the cholesterol wars. Statin mechanisms and trial data, Mendelian randomization, the full cardiovascular equation (lipids, blood pressure, exercise, inflammation), lifetime risk, alternatives to statins, cognitive biases on both sides, influencer trust scores, and a framework for interpreting your own bloodwork.

Decisive Labs · April 27, 2026 · 40 min read
CICO and metabolism

Calories In, Calories Out: Technically True, Practically Useless

CICO is real physics. It's also not useful advice. A deep dive into BMR variance, metabolic adaptation, NEAT, appetite hormones, exercise, and why the math of weight loss is harder than any calorie calculator suggests.

Decisive Labs · April 19, 2026 · 28 min read
Supplement comparison

I Broke Down My $110 Supplement Stack. Here's What I Found.

A side-by-side comparison of a custom 10-supplement stack against AG1, Bloom Greens, Balance of Nature, and top multivitamins. Costs, doses, bioavailability, gut health, and what I'm actually changing.

Decisive Labs · April 19, 2026 · 26 min read
FuelTron

How to Get the Most Out of FuelTron: A Feature Walkthrough

A developer's tour of FuelTron. How your FuelTron Score and Body Score work, getting accurate AI photo logging, supplement scanning, Garmin sync, bloodwork upload and trends, the AI Assistant, and more.

Decisive Labs · April 15, 2026 · 24 min read
FuelTron

From Chief Engineer to Solo Developer: Why I Built FuelTron

After 23 years in defense engineering, a health scare, and a sabbatical spent almost buying an apple orchard, I built an AI nutrition app. Here's why.

Decisive Labs · April 12, 2026 · 10 min read
FuelTron

Your Body Runs on More Than Calories. Your App Should Too.

FuelTron vs. MyFitnessPal, Cal AI, Cronometer, and MacroFactor. A feature-by-feature comparison, the tech under the hood, and what's coming next.

Decisive Labs · April 11, 2026 · 12 min read