• FitProbio+
  • FitProbio+
  • FitProbio+
  • Fitties FitProbio+ supplement label detail
  • Closeup of Fitties FitProbio+ on kitchen counter with fit male in the background
  • Overhead view of fit female removing packet from box of Fitties FitProbio+
  • Closeup of fit female holding a box of Fitties FitProbio+ on kitchen counter
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FitProbio+

The Probiotic That Actually Pulls Its Weight

Ultra-premium probiotic with HOWARU® B420, DRcaps™, and nitrogen-sealed blister packs—engineered for body composition, gut barrier integrity, and actual results.

Why FitProbio+

    • HOWARU® B420 probiotic, clinically studied to support healthy body composition, calorie intake, and gut barrier function*
    • DRcaps™ delayed-release capsules, for acid resistance and targeted delivery to the intestines—not the stomach acid graveyard*
    • Nitrogen-sealed blister packs, to protect potency by shielding against heat, moisture, and oxygen*
    • Reduction in body fat mass, shown in human studies with no changes to diet or exercise—just better gut support*
    • No dairy, gluten, or gimmicks, because results shouldn’t require a laundry list of exclusions or empty promises
    Made in the USA

    Made in the USA

    Same-day Shipping

    Free Same-Day Shipping

    Fitties Satisfaction Guarantee

    Satisfaction Guaranteed

    About FitProbio+

    Most probiotics talk a big game about “gut health” and then ghost you when it counts. FitProbio+ actually delivers—with clinically studied HOWARU® B420, shown in human trials to support reduction in body fat mass, lower calorie intake, and stronger gut barrier integrity without requiring lifestyle changes.

    Each capsule is packed in nitrogen-sealed blister packaging to protect potency from heat, moisture, and oxygen. And to make sure it gets where it matters, we use DRcaps™ delayed-release capsules that bypass stomach acid and head straight to the intestines—no fancy yogurt, no filler strains.

    There’s no dairy. No gluten. And no “just trust us” fluff. Just targeted gut support that helps you feel better, look better, and stay in control of what your body holds onto.
    How to Use

    Take one (1) capsule with water daily, or as directed by your healthcare professional.
    Other Ingredients

    Microcrystalline cellulose, acid-resistant capsule (hypromellose, gellan gum, and water), ascorbyl palmitate, and silica.
    Formulated to Exclude

    Wheat, gluten, soy, animal and dairy products, fish, shellfish, peanuts, tree nuts, egg, ingredients derived from genetically modified organisms (GMOs), artificial colors, artificial sweeteners, and artificial preservatives.

    FitProbio+
    FitProbio+
    FitProbio+
    Fitties FitProbio+ supplement label detail
    Closeup of Fitties FitProbio+ on kitchen counter with fit male in the background
    Overhead view of fit female removing packet from box of Fitties FitProbio+
    Closeup of fit female holding a box of Fitties FitProbio+ on kitchen counter
    Overhead view of fit female removing packet from box of Fitties FitProbio+

    Not Just for “Gut Health” Vibes

    Most probiotics claim to support digestion. FitProbio+ goes further—supporting body fat reduction, calorie intake moderation, and gut barrier function with HOWARU® B420, backed by clinical data.

    Closeup of female athlete with Fitties Weight Warrior Kit outdoors

    Protected Like the Premium It Is

    Sealed in nitrogen-purged blister packs and delivered in DRcaps™, FitProbio+ stays alive, stable, and stomach-acid resistant. Because dead bacteria don’t do much for your waistline.

    Closeup of fit female holding a box of Fitties FitProbio+ on kitchen counter

    Engineered for Body Composition, Not Bloat

    This isn’t your yoga instructor’s “gentle flora blend.” FitProbio+ is designed for results, helping support lean mass and abdominal fat reduction—even without lifestyle changes.*