Zap Flab
✦ Science-Backed Fitness & Weight Loss Tools
Lose weight.
Keep it off.
Know the science.
Free tools and honest guidance for GLP-1 medications, Optavia nutrition, and sustainable fitness. No gatekeeping. No BS.
✓ 100% Free
✓ Evidence-Based
✓ No Sign-up Required
Everything You Need in One Place
Cutting through the noise with tools and information that actually help.
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GLP-1 Guide
Semaglutide, tirzepatide, and what’s coming next. Dosing timelines, side effects, cost comparisons, and real expectations — not marketing promises.
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Optavia & Nutrition
Meal plans, fueling schedules, macros tracking, and honest reviews. What works, what doesn’t, and how to make sustainable choices for your body.
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Fitness Tools
BMI calculators, calorie trackers, progress logs, and workout planners. Interactive tools designed to keep you accountable and informed.
Understanding GLP-1
The Science Behind the Results
GLP-1 receptor agonists like semaglutide (Ozempic, Wegovy) and tirzepatide (Mounjaro, Zepbound) have changed the weight management landscape. But with viral popularity comes misinformation.
We break down how these medications actually work, what the clinical trials show, realistic timelines for results, and how to combine them with nutrition and exercise for lasting change.
Free Tools.
Zero BS.
Calculate, track, and plan your weight loss journey. Every tool is free, works instantly, and doesn’t require sign-up.
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GLP-1 Weight Loss Calculator
Predict your weight loss timeline on Ozempic, Wegovy, or Mounjaro based on clinical data.
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GLP-1 Cost Calculator
Compare medication costs across pharmacies, coupons, and insurance options.
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OPTAVIA Meal Planner
Auto-generate your daily and weekly 5&1 meal plans with fueling schedules.
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OPTAVIA Fueling Tracker
Track your daily fuelings, water intake, and lean & green meals in one place.
Nutrition Plans
Optavia Decoded
Optavia’s 5&1 plan has helped thousands, but it’s not one-size-fits-all. We provide meal planners, fueling alternatives, macro breakdowns, and transition guides for when you’re ready to move beyond the program.
Whether you’re on Optavia, considering it, or building your own plan — we give you the data to decide for yourself.
Start Your Journey Today
No sign-ups required. No paywalls. Just open a tool and get started. Your health decisions should be informed — and that information should be free.