Pre / AM
Creatine Monohydrate
5 g / serving · ~100 servings · unflavored
Personalized Supplement Intelligence
Stop guessing.Start measuring.
A personalized supplement stack built from your real training and recovery data — then see whether it’s actually working.
AM PacketPersonalized
- Creatine5 g
- Omega-31,200 mg
- Vitamin D32,000 IU
- Magnesium200 mg
Illustrative packet. Amounts shown for layout only.
The difference
See whether it’s working — in your own data
FitLatch tracks the metrics you care about and shows how they move alongside your stack — correlation in your own data, so you can see whether it’s making a difference. The feedback loop no brand-locked competitor can replicate.
THE LOOP
Did it work?
Magnesium glycinate · 30-day window
Deep sleep
7179Deep sleep +22%
Day 0Day 10Day 20Day 30
30-day window
Your read · today
Readiness
82
Sleep
7.4h
HRV
64ms
Resting HR
52bpm
Your data, not a quiz
FitLatch reads Apple Health, Whoop, Oura, Hevy, and MyFitnessPal — your real training, sleep, and recovery, not a generic questionnaire.
Your stack · timed
- AMCreatine monohydrate5 g
- PRECitrulline malate6 g
- PMMagnesium glycinate300 mg
- BEDL-theanine200 mg
Brand-neutral — nothing to push
FitLatch isn't locked to any one brand. It recommends what fits your data — and tells you when to stop something that isn't pulling its weight.
How it works
Connect. Get your stack. See whether it’s working.
01
Connect your data
Link the wearables and apps you already use. FitLatch reads your training, nutrition, sleep, and recovery signals.
02
Get your stack
A personalized supplement stack, organized into AM, pre-workout, PM, and bedtime packets — timed to your routine.
03
See whether it works
Track the metrics that matter and watch how they move alongside your stack — in your own data, over time.
Your read, over time
Why we’re different
Guess once, or measure continuously
Quiz-based supplement services guess once from a survey, then lock you to a single brand’s shelf. FitLatch reads your real, continuous data and tracks whether your stack correlates with the metrics you care about — in your own data. That feedback loop is something a brand-locked seller can’t replicate.
The usual way
Quiz-based, brand-locked
How it starts
A one-time quiz or survey.
What you get
One brand's shelf, by default.
After you start
Guesswork — no way to check whether it helped.
When something isn't helping
You'd never know.
The FitLatch way
Data-driven, brand-neutral
How it starts
Continuous data from the wearables and apps you already use.
What you get
Brand-neutral recommendations chosen to fit your data.
After you start
Tracks whether it correlates with the metrics you care about, in your own data.
When something isn't helping
It tells you — and says when to stop.
Connects with the apps you already use
- Apple Health
- Whoop
- Oura
- Hevy
- MyFitnessPal
The catalog
A curated, data-driven catalog
Our recommendations are driven by your data, not by what we’re trying to sell you. Your actual stack is personalized when you join.
AM
Omega-3 Fish Oil
750 mg EPA+DHA / softgel · 90 softgels
PM
Ashwagandha (KSM-66)
600 mg standardized extract · 90 caps
FAQ
Questions & answers
How does FitLatch work?
FitLatch connects to the apps and wearables you already use and reads your real training, nutrition, sleep, and recovery data — not a one-time quiz. From that picture it builds a brand-neutral supplement stack, organized into AM, pre-workout, PM, and bedtime packets, then tracks the metrics you care about alongside your stack so you can see how they move over time.
What devices and apps does FitLatch connect to?
Apple Health, Whoop, Oura, Hevy, and MyFitnessPal at launch, with more integrations planned. You choose what to connect, and your recommendations are built from the data you choose to share.
What does "measuring whether it works" actually mean?
It means FitLatch shows how the metrics you track move alongside your stack over time — correlation in your own data. That is a pattern in your data, not proof that a supplement caused a change, and not a medical or efficacy claim. The point is to help you see whether something appears to be making a difference for you instead of guessing.
What happens if the data suggests a supplement isn't helping?
FitLatch tells you. If the patterns in your own data suggest something is not pulling its weight, it will flag it and recommend stopping it — being honest about what does and doesn't appear to be doing anything for you is the whole point.
Is FitLatch tied to one supplement brand?
No. FitLatch is brand-neutral: recommendations are chosen to fit your data, not to push a house brand. With nothing to upsell, it can just as easily tell you to stop taking something as to add it.
When will FitLatch be available?
FitLatch is onboarding founding members soon. Join the waitlist for early access and we'll let you know when it's ready.
Is FitLatch medical advice?
No. FitLatch is a consumer software product, not medical advice. It helps you see patterns in the data you choose to share, and its interaction screening is for general awareness — neither is a diagnosis, treatment, or a substitute for professional care. Always talk to a qualified healthcare professional before starting, stopping, or changing any supplement, especially if you take medication or have a health condition.
How does FitLatch handle my data?
You choose which apps and devices to connect, and FitLatch uses the data you share to generate your recommendations and your "Did It Work?" reports. For details on how your data is collected, used, and stored — and the choices you have — please see our Privacy Policy.
Early access
Be first to measure what’s actually working
Stop guessing. Start measuring. Join the waitlist and we’ll reach out when early access opens.
No spam — we’ll only email about launch.