Terms of use
Last updated: 20 August 2026
STRAND is a personal log and calculator from Your Best Life. You enter amounts and schedules from sources you choose. STRAND does not provide medical advice, select substances, or recommend doses.
You are responsible for confirming every number against the label or authorized source in front of you. Use of unapproved substances can be illegal and dangerous. You assume that risk.
Calculator results are arithmetic from the numbers you type. Residual sketches are educational, not blood levels. Safety Shield scores are educational complexity overlays, not safety conclusions.
Free features remain available without a paid plan. Plus tools may sit behind a trial and a paid plan when billing is connected. Preview activations are not a card charge.
We may change or discontinue the service. You may export CSV and delete your data at any time.