Bild Health: GLP-1 & Muscle

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About this app

You're losing weight. Is it fat — or muscle?

Many scales report one number — your weight — and that number falls whether you're losing fat or the muscle you spent years building. Every GLP-1 app tells you to keep your muscle.

Bild Health gives you the goals, tools and visibility to do it.

MEASURE, DON'T GUESS
Import DEXA scans directly from BodySpec, or read your weight, body fat and lean mass from Health Connect, and Bild Health charts fat mass and lean mass as two separate lines. You see which one is moving. Down 30 pounds, you can say how much of it was fat.

THE GOAL IS LOSING FAT, NOT WEIGHT
Weight here is a projection, not a target — and it's allowed to rise as you add muscle. The operative goal is fat mass, with a lean-mass floor underneath it to protect what you've built. A leaner body, not just a smaller one.

A PROTEIN FLOOR SIZED TO YOU
Not a generic number someone shouted at you. Bild Health sizes your daily protein floor to your own lean mass, then pairs it with a lifting cadence and a hydration target that follows your protein. A floor is something you don't go under — not a goal you might miss.

NUMBERS YOU CAN AUDIT
Every target traces to a published methodology you can read. If your data can't support a real number, Bild Health says so instead of inventing one. No BMI headlines. No unsourced multipliers. No "one-number" ideal weight.

THE DAILY WORK, IN ONE TAP
Log protein, water, and workouts — today, or any day you missed. Log every dose with injection-site rotation and dose-day reminders, and see an educational estimate of medication levels between shots.

BUILT LIKE AN INSTRUMENT PANEL
No confetti. No streaks. No mascot. No countdown timers, no discount ladders, no before-and-after selfies. Just your numbers and goals.

WHAT'S INSIDE
• Fat mass and lean mass charted as separate lines
• BodySpec DEXA import
• Health Connect: reads weight, body fat, lean mass and height — read-only, and it stays on your device
• Body-composition targets from a published methodology
• Protein floor, lifting cadence, hydration target
• One-touch protein, water, and exercise logging
• Dose logging, injection-site rotation, reminders
• Estimated medication levels over time
• A health report you can hand to your prescriber
• Every number stored on your device

Bild Health is an education and tracking tool. It is not a medical device. It does not prescribe, diagnose, or adjust medication, and it is not a substitute for medical care. Consult your prescriber for all medication decisions. It works alongside the prescriber you already have.

Lose the fat. Keep the muscle.
Lose the fat. Keep the muscle. Track fat and lean mass, not just weight.
Updated on
Sep 8, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    App activity and App info and performance
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

Made by a GLP-1 patient building lean muscle mass, this is the first public release of Bild Health:

- Goals based on you and your body
- Get your protocol for protein, water and workouts
- Fat mass and lean mass charted as separate lines
- Reads body composition from Health Connect. If your scale writes it there, you'll see it
- One-touch daily logging of protein, water and workouts
- Medication logging with injection-site rotation and reminders
- BodySpec DEXA import