Monitor supplement formula changes with dated label history
Stage
Not given
Startup
Founded
Not given
2026
Based in
Not given
US
Pricing model
Free
Freemium
Pricing
Not given
Free Locker: up to 24 saved products with no card required. Signal Pro: $29.99/year (or $3.99/month), includes monitoring for up to 10 products checked daily with email alerts for confirmed changes and monthly Stack Brief.
Key features
18-question assessment covering six wellness areas
Overall score from 0 to 100 with individual category scores
Instant personalized results without email required
Three practical next steps for improvement
Identifies strongest wellness area and main priority
Browser-based scoring with no data storage
Recommended educational resources linked to results
Retakeable assessment to track progress over time
Free Locker holds up to 24 supplements with dated labels
Daily monitoring of up to 10 products
Email alerts when formula changes are confirmed
Before You Reorder comparison of saved and current labels
561 product listings from 65 brands
Signal Verified labels read and dated twice independently
Product Ask feature for ingredient and formula questions
Category Ledger for supplement brands
REST API and MCP server for developers
What makes it different
Completely free with no account or email required
Privacy-focused: data processed locally in browser, never sent or stored
Educational and lifestyle-focused, not medical diagnosis
Personalized actionable recommendations tied to research-informed resources
Purely Vital Living
FormulaSignal