The World’s #1 Brand of Children’s Probiotics†
What is Dual Defense?
Support your child’s health through every sniffle and sneeze with Biostime Baby & Kids Dual Defense. This innovative formula is specifically designed to provide nasal and respiratory support while strengthening their natural immune defenses. With carefully selected probiotic strains and nutrients, Biostime Dual Defense is your ally for navigating seasonal changes and promoting year-round wellness.

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5 BILLION CFU | 3 CLINICALLY TESTED PROBIOTIC STRAINS + 1 PREBIOTIC
- Inspired by Nature: 2’-FL HMO is structurally identical to one of the most abundant oligosaccharides found in breast milk, providing immune and gut health benefits.
- Supports Immune Health: Helps strengthen your child's natural defenses by nourishing beneficial gut bacteria.
- Gut-Immune Connection: Enhances the gut microbiome, which plays a vital role in supporting overall immunity.
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Clinically Tested Probiotic Strains
- 5 Billion CFUs: Includes 3 clinically studied probiotic strains for promoting immune and digestive health.
- Maintains Gut Balance: Supports a healthy microbiome to build a strong foundation for well-being.
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Nasal & Respiratory Support
- Eases Breathing: Formulated to support respiratory health during seasonal changes.
- Natural Defense: Provides immune support tailored for young children to help them thrive.
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Prebiotic Fiber
- Nourishes Good Bacteria: Promotes the growth of beneficial gut bacteria, further supporting digestive and immune health.
- Gentle on Little Tummies: Designed to be easy to mix and gentle for children 6 months and older.


Why Choose Biostime Dual Defense?
Trusted By Parents
Backed by over 20 years of expertise in probiotics.
Proven by Science
Developed using clinically tested strains for effective health support.
Kid-Approved
Gentle, easy-to-mix powder designed for kids 6 months and older.*
Biostime Baby & Kids Dual Defense provides a holistic solution to help your little one thrive through every season.

Why choose Biostime Dual Defense?
Backed By Science
Benefit from over two decades of research and expertise with Biostime, a trusted brand committed to supporting children from early to late stages and moms.
The gut microbiome regulates many aspects of the human physiology. An increase in prebiotic intake before and during pregnancy helps to ensure you pass a healthy balance of your microbiome to your baby.
Mamabiotic Plus maternal supplements supports the unique needs of mama’s throughout their journey.



Pre-portioned and Perfect for on the Go
For children 6 months and older, mix the entire contents of 1 sachet packet daily into a liquid or soft food at room temperature or as directed by a healthcare professional. Not to be taken on the same day as breastmilk or other products containing 2’-FL HMO, such as fortified infant formula. Mix until contents are completely dissolved. Do not mix with hot or warm liquids or food.
6 months and older.
Store below 77F°(25°C) in a cool, dry place.

Your Little Ones Deserve Nothing Less.
We’re committed to uncompromising standards and unparalleled quality.


Probiotics can promote a healthy inflammatory response in the gut, which may support respiratory health and help address chronic respiratory conditions*.
Frequently Asked Questions
Customer care : 1-855- 979-4773
Email : customercare@biostime.com