Health optimization
deep dives.

How Our 6-Dimension Safety Engine Works

Most supplement interaction checkers look at one thing. Ours checks six dimensions simultaneously — contraindications, drug interactions, supplement-supplement interactions, dose/total daily load, condition interactions, and allergen safety.

What Is PhenoAge and How to Calculate Yours

PhenoAge uses 9 routine blood biomarkers to estimate your biological age. Here's how the algorithm works, what the numbers mean, and how to improve your score.

How We Grade Supplement Brands A Through F

Our brand quality scoring system evaluates 35+ attributes across certifications, manufacturing practices, testing transparency, and FDA compliance. Here's the methodology.

200+ Genetic Variants We Analyze — and Why They Matter

From MTHFR to APOE to COMT — which genetic variants LongevityGraph analyzes, how they affect your supplement protocol, and what to do about them. Over 200 variants across 15 categories.

5 Supplement Interactions Most People Miss

These aren't the obvious ones. Five supplement interactions that slip through generic checkers — and why context matters more than a simple yes/no answer.