Your body deserves more than guesswork
Precision supplements built from your goals, your lifestyle, and your real blood data. Not generic multivitamins — a stack uniquely formulated for you.
As seen in
Why Stack
Built different. By design.
We don’t guess what you need. We test, analyze, and build your Stack from evidence.
Lab-Grade Ingredients
Every ingredient is third-party tested, clinically dosed, and sourced from premium suppliers.
AI-Powered Formulations
Our AI cross-references your data against thousands of clinical studies to build your unique stack.
Blood Test Integration
Optional at-home blood kits let us refine your stack based on real biomarker data.
Personalized for You
Not one-size-fits-all. Every capsule in your stack is there because your body needs it.
Evidence-Based
Every recommendation links back to published research. No proprietary blend nonsense.
Adapts Over Time
Your stack evolves as your body changes. Retest, refine, repeat.
How It Works
Three steps to your Stack
Take the Assessment
Answer 6 questions about your goals, diet, and lifestyle. Two minutes. No account required.
Get Your Stack
Our AI analyzes your answers against published research to build a supplement stack specific to you.
Upgrade with Blood Data
Add an at-home blood test kit. We’ll refine your Stack based on your real biomarkers.
The Difference
Stack vs. the rest
Fewer pills. Better ingredients. Actually personalized.
The Blood Test Advantage
Most supplements are built on assumptions. Yours don’t have to be.
Start with our assessment and get a personalized supplement stack based on your goals and lifestyle. That alone puts you ahead of 90% of supplement buyers.
Then, go further. Add an at-home blood test kit, and we’ll cross-reference your real biomarker data with your stack — adjusting dosages, swapping ingredients, and filling gaps that no quiz can catch.
At-Home Kit
Simple finger-prick collection, shipped free.
Lab Analysis
30+ biomarkers tested in CLIA-certified labs.
Stack Refined
AI adjusts your formulation to match your biology.
Biomarker Report
Latest ResultsTrusted By Thousands
Real people. Real results.
“I was taking 8 different supplements with no idea if they were working. Stack replaced them all with 4 targeted capsules.”
“The blood test integration is what sold me. My vitamin D was tanked and I had no idea. Stack caught it immediately.”
“Finally, supplements that feel like they were actually made for me. The difference after 30 days was obvious.”
“My sleep quality improved within two weeks. The magnesium and ashwagandha combo in my stack is perfect.”
“As a runner, recovery is everything. Stack tuned my supplements to my training load — game changer.”
“I love that it evolves with me. After my last blood test, they swapped two ingredients automatically. That level of precision is incredible.”
“I was taking 8 different supplements with no idea if they were working. Stack replaced them all with 4 targeted capsules.”
“The blood test integration is what sold me. My vitamin D was tanked and I had no idea. Stack caught it immediately.”
“Finally, supplements that feel like they were actually made for me. The difference after 30 days was obvious.”
“My sleep quality improved within two weeks. The magnesium and ashwagandha combo in my stack is perfect.”
“As a runner, recovery is everything. Stack tuned my supplements to my training load — game changer.”
“I love that it evolves with me. After my last blood test, they swapped two ingredients automatically. That level of precision is incredible.”