Why 10,000+ Patients Trust Dr. Onyx's Formulas

"I'm a physician with IBS. I created Casa de Santé because I couldn't find supplements that didn't make my own symptoms worse. Every formula starts with one question: will a sensitive stomach actually tolerate this?" — Dr. Onyx Adegbola, MD PhD

🧬 Low FODMAP Certified — Every product avoids the high-FODMAP triggers that cause bloating, gas & IBS flares

💊 GLP-1 Companion Designed — Formulated for the digestive changes that come with Ozempic, Wegovy & Mounjaro

🔬 Third-Party Tested — Independent lab verified. cGMP facility. No high-lead contamination.

Meet Dr Onyx

Support digestive comfort and stay consistent with your routine.

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Science-Backed, Stomach-Approved

Don't Just Take Our Word For it! Here's What Our Customers Think:

  • ★★★★★

    "I've had IBS for 8 years and tried every probiotic on Amazon. Casa de Santé is
    the first brand that's actually Low FODMAP — no bloating, no flares. The
    digestive enzymes changed how I eat."
    Sarah M., IBS-D

  • ★★★★★

    “Week 2 on semaglutide, the bloating and nausea made me want to quit. I added Casa de Sante’s digestive support and it was a game-changer. Meals sat better, less discomfort, and I stopped dreading dose day. It’s now part of my weekly routine.”
    Megan

  • ★★★★★

    "After my SIBO diagnosis, my dietitian recommended Low FODMAP everything.
    These are the only protein powders that don't trigger my symptoms. I've been
    ordering monthly for over a year."
    Rachel T., SIBO patient

  • ★★★★★

    “I was losing weight, but also felt flat and weak. The GLP-1 Muscle Defense combo made it easier to hit my protein intake without upsetting my stomach. My strength stopped sliding, my energy came back, and my labs looked better at follow-up.”
    DR K.

  • ★★★★★

    "The herbal laxative is gentle and actually works. I have IBS-C and most laxatives
    give me cramps. This one doesn't. Taking it at bedtime is now my routine."
    David L., IBS-C

  • ★★★★★

    “I didn’t expect constipation to be the hardest part of GLP-1s. I tried random gut products and felt worse. Casa’s low FODMAP approach felt gentle and predictable and my regularity improved without cramps or urgency. I wish I’d started sooner.”
    James T.