MARCUS & MARCUS
HEALTH & WELLNESS 

Made with premium HOWARU® probiotics

NOT ALL
PROBIOTICS ARE MADE EQUAL

Marcus & Marcus Health & Wellness products are made with HOWARU® Probiotics. When you see the HOWARU® seal or HOWARU Signature Strains listed in any of our Health & Wellness products ingredients, you can trust that you are getting HOWARU®’s premium strain of probiotics – the highest-quality probiotic supplement available.

WHY HOWARU®?

At Marcus & Marcus, we care about what goes into our products and the well-being of our customers. HOWARU® is a leading industry expert in single strain and pre-formulated probiotic blends. All their premium probiotics are all validated by gold-standard clinical trials, with proven effectiveness, stability, and functionality. We choose HOWARU® because we trust their premium probiotics to elevate our products, and to create healthy and balanced solutions for our customers.

THE HOWARU®
DIFFERENCE

CLINICAL TESTING

All HOWARU® Signature Strains are studied in human clinical trials to demonstrate specific benefits.

SAFETY SCREENINGS

HOWARU® probiotics undergo rigorous testing to ensure that their strains are completely safe.

STABILITY GUARANTEE

HOWARU®’s proprietary strains are resilient enough to maintain shelf life and to survive in your stomach.

STRAIN VERIFICATION

HOWARU® ensures that every strain sold to manufacturers like us are the same ones that was studied in their clinical trials.

FDA EVALUATIONS

HOWARU® probiotic strains are Generally Recognized As Safe (GRAS) and have been accepted with no questions by the Food and Drug Administration (FDA).

THE SCIENTISTS BEHIND HOWARU®…

HENNA-MARIA KAILANTO (NÉE UUSITUPA), PHD

Senior Scientist

MARKUS LEHTINEN, PHD

Principal Scientist

LIISA LEHTORANTA, PHD

R&D Manager

MAIJA MARTTINEN, PHD

Scientist

ARTHUR OUWEHAND, PHD

Technical Fellow, Adjunct Professor

ELAINE PATTERSON, PHD

Senior Scientist

OUR SUPPLEMENT COLLECTION

IMMUNE DEFENSE
PROBIOTICS
VITAMIN C &D +
ZINC

PRENATAL
PROBIOTICS

KIDS
PROBIOTICS

INFANT
PROBIOTICS
VITAMIN D3 +
HMO DROPS