About Cofactor

This was never just about the weight.

Whether the prescription is a week old or a year in, the medication opened a door. Cofactor is the follow-through program — built to make sure you walk all the way through it — past the number on the scale, to the strongest, most capable version of your life. And to make sure none of it depends on the prescription lasting forever.

Morning light across a kitchen table
"You can't white-knuckle your way to a new life. Someone has to be in your corner."
Where this started

Built for the moment the noise goes quiet — and ambition gets loud.

We kept meeting the same person: a few weeks or months onto a GLP-1, the food noise finally quiet, the scale finally moving — and a new feeling underneath it. If this is possible, what else is? Their doctor handled the medication. Nobody handled that question.

The window while the medication does its work is the best building window most people will ever get — for muscle, for habits, for a body that holds. What's missing is a service that applies the research to one specific life, week after week, from day one. So we built it.

What we believe

The scale is the beginning. Taking your life back is the point.

Weight loss is the door people walk in through. What they're actually after is bigger: the stairs without thinking about them, the strength they never had, the photo they don't flinch at. For many, the best shape of their life — at an age nobody told them it was still available.

✓Momentum turned into muscle, not just a smaller number
✓Habits built while the medication makes them easiest
✓A result that's yours — on or off the prescription
On her way — sneakers taking the stairs Strength work on her own terms
The name

In biology, a cofactor is what a process needs to actually work.

The medication is the catalyst. The structure, the accountability, the person reading your week — that's the cofactor. Not medically missing; your prescriber has that covered. Behaviorally missing. See how the method works →

How we operate

Four rules we don't bend.

01
AI-assisted, human-decided
The Engine drafts every plan against expert rubrics. A person reads, adjusts, and signs it before it reaches you. That order never reverses.
02
Privacy-first, always
No group, no posting, no photos — ever. Everything is one-to-one and written. The comeback doesn't need an audience.
03
No invented proof
Every story we publish is real, permissioned, and typical-results framed. We're new, and we'd rather say so than fake it.
04
We guarantee our work, not your body
No outcome promises — ever. Instead: the Review guarantee, the first-week fit promise, and every message answered within one business day.
If a rule here ever conflicts with growth, the rule wins.

Plainly: what we are, and what we aren't.

We are
✓A follow-through program — behavior, nutrition-habit, and accountability coaching
✓A written plan built on your specific situation
✓A real person reading your week, every week
We are not
✕Medical advice, diagnosis, or treatment — your prescriber owns that
✕A meal-plan PDF mill or another app to maintain
✕A guarantee about what the scale will say

Now you know who we are. Tell us where you're headed.

Seven questions, two minutes, no payment — and a personal reply today.

Start the free application
Free to apply · $69 consult, free when you join · first-week fit promise