Your supplements should know you.
Most supplements are built for everyone, which means they're optimized for no one. Stack is different. We use your health data to build a stack that actually matches your body.
Every ingredient has a reason. Every dose is backed by research. Nothing extra, nothing missing.
The supplement industry has a problem.
Walk into any pharmacy and you'll see shelves of multivitamins that promise everything and deliver very little. They're built on averages, packed with fillers, and sold on marketing claims that sound good but don't hold up under scrutiny.
A 25-year-old vegetarian training for a marathon has completely different nutrient needs than a 50-year-old omnivore working a desk job. Yet they're sold the same pill.
We started Stack because we wanted to fix that. Not with better marketing — with better science. A 2-minute assessment, real data, and an AI that actually understands what your body needs and what it doesn't.
How it works
Three steps. Two minutes. One stack built for you.
Step 01
Take the Assessment
Answer a few questions about your goals, diet, lifestyle, and health history. No account needed.
Step 02
Get Your Stack
Our AI cross-references your answers with clinical research to select the right supplements at the right doses.
Step 03
Delivered Monthly
Your personalized pack ships every 30 days. $69/month, skip or cancel anytime.
What we believe
The non-negotiables.
Full transparency
Every ingredient, every dose, every source — published openly. No proprietary blends.
Third-party tested
Every batch tested by independent labs for purity, potency, and heavy metals.
Evidence-backed
We don't follow trends. Every recommendation is grounded in peer-reviewed research.
Nothing you don't need
No fillers, no megadoses, no "kitchen sink" formulas. Just what your body actually requires.
Ready to stop guessing?
Find out exactly what your body needs in 2 minutes.