Support your whole biome.

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An all-in-one solution for your whole biome.

Gut Health

Immune Health

Metabolic Health

Oral Health

Brain Health

Skin Health

Yogurt

Kombucha

Supplements

Live Bacterial Count > 50B

Postbiotic Metabolites

Prebiotic & Bioactive EPS

Immediate Action in Mouth for Oral Health

Lactic Acid & Acetate

Low Sugar & Zero Alcohol from Fermentation

Scientifically Proven Bacterial Strains

Real results. No hype.

Testimonials

I started drinking Caya every morning instead of my second coffee, and it’s made such a difference. My digestion feels smoother, my energy is steadier, and it actually tastes refreshing—light, clean, and a little tangy. I feel like my body’s finally back in sync.
Maya R., Los Angeles
"I didn’t expect to notice much, but within two weeks my bloating eased up and my mood felt lighter. It’s become part of my daily rhythm—just one bottle and I feel like I’m doing something good for my whole system.”
Alex T., Brooklyn
“Caya has become my daily reset. It’s light, refreshing, and actually makes me feel good from the inside out.”
Jamie P., Chicago
Kai Sacher, Founder

A legacy of 30 years in probiotic innovation.

I’m proud to contribute to the science of restoring the complete human biome — starting where it matters most.

Our Story