goodtides
My Protocol

Your protocol.

Browse preset protocols
History

Your log.

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Log your first injection with + Manual entry, or build a protocol so Today can one-tap-log for you.

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Real-person prescription on every order. Add to cart — we handle the rest.

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Dosing

Calculator.

Quickly compute draw volume for any peptide.

Educational reference. This is a math tool — it converts vial mg + water mL + your chosen dose into syringe units. Catalog defaults are commonly cited research dosages, not personalized medical advice. Decisions about whether and how to use these products are your own.
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Account

Your account.

About & disclaimer

About

goodtides Companion is a personal peptide tracking tool — a calculator, a logbook, a schedule, all in your pocket. Local-first; optional cloud sync.

What it is, and isn't

What it is: a tracker. It records what you input — your protocols, doses, injections, vials, schedules — and does the arithmetic of converting vial mg + water mL into syringe units. Catalog defaults shown alongside peptides are commonly cited research dosages, included as a reference.

What it isn't: a medical service. goodtides does not provide medical care, evaluate your condition, or advise on individual dosing. Peptides referenced are research chemicals, not FDA-approved drugs.

Your decisions, your responsibility

Decisions about whether and how you use these products are your own. Consult a licensed medical provider before starting, adjusting, or combining any protocol — including for any dosing or protocol guidance you follow from this app.

Your data & privacy

Your tracking data (protocols, doses, vials, weights, and any bloodwork you add) is stored on your device, and synced to your goodtides account only if you sign in — so it's available across your devices. It is never used for advertising or sold. Read our App Privacy Policy and Terms.

Made by goodtides · Long Island, NY · build dev

goodtides Companion

Health

Your bloodwork.

Your biomarkers vs goodtides optimal ranges — private to you.

Inventory

My stock.

Active vials reconstituted

No active vials. Reconstitute an on-hand vial, or track an existing reconstituted vial.