Lose it with Coach Arjun in 100 days
Our head coach put on 30 kg on purpose to show that anyone can lose weight with the right guidance. Now he's losing it over 100 days, in public, on home food. Follow along, or do the challenge with him.

What the 100 days look like
Four phases, each with one job. You eat the food your family cooks the whole way through, with no powders and no crash days.
Days 1–14
Set your starting point
Take your measurements, work out your macros and get a first plan built around your own kitchen. The focus is portions, water and sleep.
Days 15–45
Build the base
Protein at every meal, a daily step target and three short home workouts a week. Your plan changes each week from your check-ins.
Days 46–80
Get past the plateau
When the scale slows down, your coach adjusts calories and workouts. You also plan ahead for festivals, weddings and meals out.
Days 81–100
Make it stick
Move towards maintenance calories and settle the routines you'll keep once the challenge is over.

Your personalised toolkit
Macro calculator
Your daily calories, protein, carbs and fats for a safe rate of loss.
Work out my macros26 free nutrition guides
Short guides on cravings, gut health, protein, eating out and more.
Browse the guidesA coach and a daily plan
Challenge members get a personal plan on the app and a coach to check in with every day.
Compare plans
Work out your daily calories and macros
Enter your height, weight, age and how active you are. The calculator estimates your daily calories with the Mifflin–St Jeor equation, then splits them into protein, fat and carbs.
Your daily calories
Fill in the form to see your calories and how to split them.
- Protein
- –
- Carbs
- –
- Fat
- –
Based on the Mifflin–St Jeor equation, with protein at 1.2 g per kg of body weight. We never go below 1,200 kcal a day.
These are estimates for healthy adults. If you're pregnant, under 18, or managing diabetes, thyroid or another condition, talk to your doctor or a coach before changing how you eat.
Free nutrition guides
26 short guides written by our coaches. Tap any guide and we'll send you the PDF on WhatsApp.
- High Thermogenesis Effect Foods (PDF guide, request on WhatsApp, opens in a new tab)
- Acidity and Bloating: An Indian Guide (PDF guide, request on WhatsApp, opens in a new tab)
- Foods That Naturally Boost GLP-1 (PDF guide, request on WhatsApp, opens in a new tab)
- Vegetarian High-Protein Diet Plan (PDF guide, request on WhatsApp, opens in a new tab)
- Healthy Navratri Guide (PDF guide, request on WhatsApp, opens in a new tab)
- Metabolism Boosting Guide (PDF guide, request on WhatsApp, opens in a new tab)
- Caffeine Consumption Guidebook (PDF guide, request on WhatsApp, opens in a new tab)
- Homemade Wheat Momos Recipe (PDF guide, request on WhatsApp, opens in a new tab)
- Indian Food for Gut Health (PDF guide, request on WhatsApp, opens in a new tab)
- Junk Food Addiction and Dilemma (PDF guide, request on WhatsApp, opens in a new tab)
- Sweet Sugar Substitutes (PDF guide, request on WhatsApp, opens in a new tab)
- When Your Weight Is Stuck (PDF guide, request on WhatsApp, opens in a new tab)
- Nutrient Density (PDF guide, request on WhatsApp, opens in a new tab)
- The Satiety Index of Common Foods (PDF guide, request on WhatsApp, opens in a new tab)
- Food Cravings and Their Sources (PDF guide, request on WhatsApp, opens in a new tab)
- Guide to OMAD (PDF guide, request on WhatsApp, opens in a new tab)
- Wedding Guide (PDF guide, request on WhatsApp, opens in a new tab)
- DIAAS for Indian Food (PDF guide, request on WhatsApp, opens in a new tab)
- Alcohol Guide (PDF guide, request on WhatsApp, opens in a new tab)
- Glycemic Index and Sugar Substitutes (PDF guide, request on WhatsApp, opens in a new tab)
- Weight Loss Supplements and Their Side Effects (PDF guide, request on WhatsApp, opens in a new tab)
- Indian Foods Bloating Guide (PDF guide, request on WhatsApp, opens in a new tab)
- Guide to Reducing Inflammation (PDF guide, request on WhatsApp, opens in a new tab)
- Food Combinations (PDF guide, request on WhatsApp, opens in a new tab)
- Lowest Calorie Treat Options (PDF guide, request on WhatsApp, opens in a new tab)
- Healthy Protein Sources (PDF guide, request on WhatsApp, opens in a new tab)
Talk to a coach today
No sales pitch. Tell us what you're struggling with and we'll tell you honestly if we can help.
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