STCKD

Know your stack.

Supplements and peptides, one tracker. Build your stack, get reminded, do the reconstitution math in seconds, and see whether it's actually working.

Download on the App Store

Free for iPhone · Pro unlocks unlimited stacks, calendar and insights

Build protocols

Group compounds into stacks — morning nootropics, recovery, wind-down. Daily, weekdays or every X days, with reminders. One tap marks the whole stack taken.

The math, done for you

Reconstitution calculator: vial size, water, dose — get the exact syringe units, a round-number water tip and cost per dose.

See it working

Log mood and energy in seconds. Insights reveal your trends, so you know what your stack is actually doing.

Private and synced

Sign in with Apple, Google or email. Your data follows you across devices — encrypted, never sold, deletable in one tap.

STCKD is a tracking tool for adults, not medical advice. Talk to a healthcare professional before starting, stopping or combining any supplement or compound.