The HOWARU® Difference

Find out what it takes to make the grade of a HOWARU® Signature Strain

Doctor Preferred Probiotic For Respiratory Health*

Support your immune system by looking for our clinically studied Bl-04® strain.

Probiotic Quality you can feel.

HOWARU® is a line of clinically-mastered probiotic solutions

HOWARU® is a line of natural probiotic solutions used by leading product manufacturers as ingredients to create products that support health and wellness. HOWARU® probiotic strains can be found in the majority of probiotic supplements on the market today.

Clinically Studied


Safe & Effective



B. lactis Bl-04® for Immune Health


Learn more about how our signature strain for respiratory health can help support a healthy immune system.

Learn More

Contact Us