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Weight Management

Burn Myths. Not Muscle.

No caffeine bombs, no fat-burner promises. Just one researched probiotic for people who read labels.

Rated 4.8/5 by Fitties customers
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  • FitProbio Plus supplement bottle, front label. Back label Fitties FitProbio+ supplement package with text and branding on a white background
    FitProbio+ HOWARU Shape B420, one researched strain instead of another fat-burner gimmick
    $59.00
    $59.00

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Why Fitties

  • Ultra-Premium Standards

    Built to perform, not to impress a label. Every ingredient is listed on the label, so you can check the formula for yourself.

  • Research-Grade Formulas

    Powered by data, not hype. Each formula is rooted in published research. Not gimmicks or recycled buzzwords.

  • Manufactured in the USA

    Manufactured in the USA in a GMP compliant facility.
Screen of a tablet displaying a training and nutrition questionnaire.

Stop Mixing. Start Matching.

Your routine isn’t random. Your supplements shouldn’t be either. Get matched with the right stack for how you train.

Build My Stack

Weight Management, Without the Hype

One formula, one clear job. FitProbio+ is built on HOWARU® Shape B420™, a probiotic strain researched for healthy weight management. Build a complete weight management stack with the Supplement Stack Builder.