For busy adults who want a plan, not more guesswork

Turn fat loss from guesswork into a simple weekly system.

Personal calorie and protein targets, a weekly meal plan with a grocery list, simple daily tracking, and progress you can actually read.

This week
Week 8 of your plan
Example

Trend weight

198.1lb

Down 0.7 lbvs last week

Days on plan

6of 7

Great consistency

Weekly average weight

Weekly average weight
DateWeekly average weight (lb)
Jul 20203.8
Jul 27202.9
Aug 3202.1
Aug 10201.6
Aug 17200.4
Aug 24199.9
Aug 31198.8
Sep 7198.1
Calories today1,640 / 2,000 kcal
Protein today128 / 150 g

How it works

One simple loop, every week

No extreme diets and no endless logging. Fat Loss OS gives you a plan, keeps tracking light, and uses your real results to decide what to do next.

  1. 01

    Get your targets

    Answer a few questions and get estimated calorie and protein targets for steady, sustainable fat loss.

  2. 02

    Plan your week

    A simple weekly meal plan built around your targets, with a grocery list that writes itself.

  3. 03

    Track what matters

    Log weight, calories, protein, and steps in under a minute a day. Skip what you don't need.

  4. 04

    Review and adjustOS+

    Each week, see your real trend and get one clear recommendation for the week ahead.

Pricing

Start with the kit. Stay for the system.

The Starter Kit is a complete program on its own. OS+ adds weekly guidance that adapts to your results.

Starter Kit

$39one-time

Everything you need to run your first 30 days — and keep going.
  • Personal calorie and macro targets
  • Full 30-day roadmap
  • Weekly meal plans and grocery lists
  • Daily tracking and progress analytics
  • Starter recipe library
Fat Loss OS+
Most guidance

$12per month

Or $99 per year

Ongoing guidance that adapts to your results every week.
  • Everything in the Starter Kit
  • Weekly Review with a clear recommendation
  • Advanced progress analytics
  • Unlimited meal-plan generation and swaps
  • New recipes added regularly