For busy adults who want a plan, not more guesswork
Lose fat without guessing what to eat every day.
Get your calorie and protein targets, personalized meal plans and grocery lists — built around your goals from a few quick questions.
30-day money-back guarantee · One-time payment · No subscription
What you get
What you actually get
Everything below comes with the Starter Kit. One payment, and it's yours to keep.
Personal calorie & protein targets
Estimated from your body, activity and goal, for steady and sustainable fat loss.
A 30-day roadmap
What to focus on each day of your first month, one step at a time.
Weekly meal plans
A week of meals built around your targets, your eating style and your allergies.
Grocery lists
Every meal plan comes with its shopping list, so you buy what the week needs.
The full recipe library
Every recipe in Fat Loss OS, not just the free preview.
Meal swaps
Don't fancy a meal? Swap it. The rest of the week stays put.
How it works
From your goals to a plan you can follow
No extreme diets and no endless logging. You tell us your goal, we do the planning, and each week your real trend shows how it's going.
- 01
Tell us about your goals
Answer a few quick questions about your body, your activity, your goal and the food you eat.
- 02
We calculate your targets
Estimated daily calories and protein for steady, sustainable fat loss.
- 03
We plan your meals
A weekly meal plan built around your targets, with a grocery list that writes itself.
- 04
You follow the plan
Log weight, calories and protein in under a minute a day, and watch your weekly trend.
Why Fat Loss OS
Tracking what you eat is not the same as knowing what to eat.
Calorie trackers record what you ate. Calculators give you a number. Planning meals by hand takes time, every week. Fat Loss OS turns your numbers into a plan you can follow.
Why not just use…
- MyFitnessPal
- It helps you track what you ate. Fat Loss OS helps you decide what to eat.
- ChatGPT
- You can ask ChatGPT for a meal plan. Fat Loss OS turns your goals into a structured system you can follow and track.
- A free calorie calculator
- Getting your calorie target is only step one. Fat Loss OS turns that target into meals, groceries and a 30-day roadmap.
- Planning it yourself
- You can build it yourself — but you have to do the planning every week.
Try your first 30 days with less risk.
If the Starter Kit isn't right for you, you can request a full refund within 30 days. No explanation needed.
Read the refund policyPricing
One payment. Your first 30 days, planned.
The Starter Kit is a one-time payment, and it's yours to keep. OS+ is an optional add-on for after your first month.
FAQ
Questions before you buy
Is the Starter Kit a subscription?
No. It's a single payment of $39. You won't be charged again, and your access doesn't expire.
What's included in the Starter Kit?
Personal calorie and protein targets, the full 30-day roadmap, weekly meal plans with a grocery list for each, the complete recipe library and meal swaps — plus daily tracking and your progress trend.
What happens after my 30 days?
You keep everything in the Starter Kit and can go on planning your weeks with it. If you'd like a weekly review of your results with one clear next step, you can add OS+ for $12 a month. It's optional.
Can I get a refund?
Yes. Ask within 30 days of buying the Starter Kit and you'll get a full refund, no explanation needed. Paddle, our payment provider, returns it to your original payment method. Read the refund policy.
Can I change the meals?
Yes. Your plans are built around the eating style and allergies you tell us about, and you can swap a meal you don't fancy or rebuild a week's plan.
Is Fat Loss OS medical advice?
No. The numbers are estimates for general information, not medical advice. Talk to a qualified professional about your health, especially if you're pregnant, have a medical condition, or have a history of disordered eating.
Your first 30 days, fully planned.
Get the Starter Kit for $39.
One-time payment · 30-day money-back guarantee