Supplement guidance built on actual evidence.
Your stack, graded by what the research actually says. Every recommendation cites real studies. No affiliate links. No product sales.
Evidence-Graded
Every recommendation comes with an evidence grade (A-D) and real study citations
Interaction Screening
Flags dangerous supplement-supplement and supplement-drug interactions automatically
Cycling Protocols
Know when to cycle on and off — with evidence-based schedules for adaptogens, herbs, and more
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Three steps to a science-backed supplement stack
Set Your Goals
Choose what matters to you — sleep, focus, energy, longevity, muscle, immunity, and more. Select as many as you want.
Input Your Stack
Tell us what you already take. We'll assess your current supplements and identify gaps or redundancies.
Get Evidence-Based Recommendations
Our AI analyzes your profile against clinical research to generate a personalized, evidence-graded stack with real citations.
L-Tyrosine
Amino acid precursor to dopamine, norepinephrine, and thyroid hormones. Best evidence is for maintaining cognitive performance under stress, sleep deprivation, and multitasking. Take on empty stomach.
Tyrosine promotes cognitive flexibility under stress
Colzato LS et al. (2015) — Psychol Res
“Tyrosine supplementation promoted cognitive flexibility (task switching) under demanding conditions”
2
Studies
3
Interactions
500-2000
mg
Browse 125 Evidence-Graded Supplements
Every supplement graded on clinical evidence. Dosage, forms, interactions, and citations — all in one place.
125
Supplements
26
Grade A (Strongest Evidence)
271+
Interaction Rules
266
Cited Studies
Top-Graded Supplements
Magnesium Glycinate
Highly bioavailable form of magnesium. Strong evidence for sleep quality, muscle relaxation, and stress reduction. Most adults are deficient.
Vitamin D3
Essential hormone precursor. Most people in northern latitudes are deficient. Strong evidence for immunity, bone health, and mood.
Omega-3 Fish Oil
Essential fatty acids with strong evidence for cardiovascular and mental health. EPA-dominant for mood; triglyceride form for absorption.
Creatine Monohydrate
One of the most researched supplements in history. Strong evidence for strength, power, and emerging evidence for brain function.
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