Take 20% off your order
Research-grade formulas, made approachable. Third-party tested, clearly labeled, and shipped fast. Use your code at checkout.
Your discount code
FF20
Copied to clipboard
20% off, one use per customer. Applied at checkout.
Shop formulas →99%+
Verified purity on every batch
3rd-party
Independent lab testing
24 hrs
Orders ship within a day
Public
COAs available for every product
Why Fit Formulas
Research quality without the guesswork or the jargon.
1
Tested, not trusted
Every batch is sent to an independent lab and the certificate of analysis is published for you to read.
2
Clearly labeled
Exact contents and concentrations on every label, so you always know what you are working with.
3
Fast and simple
In-stock orders ship within 24 hours, with two-tap reordering when you need more.