Most people can name what is in the cabinet. Almost nobody can tell you what they actually took this week, at what time, and how they slept next to it.

That gap is why stacks feel like superstition. You change two things, sleep four hours, have a brutal work week, and then decide the new capsule "is not working."

A useful journal is boring on purpose:

• Same substance name every time

• The dose you already use, with units

• Taken or missed, no guessing later

• One sentence on effect, the same day

• Cycle, sleep, and stress as context, not as a diagnosis

Once a week, read seven days and write one sentence you could hand a clinician. That is the whole review.

Stacked is that journal. The Stack Playbook is the blank templates we use inside it. Not medical advice. Not a protocol. Just a way to stop lying to yourself about what the week looked like.

Most people on peptides, TRT, or a GLP-1 can tell you what they started. Almost nobody can tell you what they actually took last Tuesday, or whether sleep got worse the week they added a second compound.

A spreadsheet dies in a week. A notes app turns into a graveyard of half-logged vials.

What actually stuck for me:

• One countdown for the next dose. Not a calendar full of noise.

• A 30-second check-in: energy, sleep, mood, appetite. That’s it.

• Inventory in the same place as the log, so “I think I have enough” isn’t a guess.

Stacked is that journal. Free tracks 3 substances. Peptide reconstitution math is open with no account.

Tracking only. Not medical advice. Confirm anything you log with a clinician.