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Infant Probiotic Drops Comparison - June 2026

7 Best Infant Probiotic Drops In the UK

1
Best Choice
9.9Exceptional
2
9.8Exceptional
3
9.6Exceptional
4
Best Value
9.4Excellent
5
9.2Excellent
6
9.0Excellent
7
8.8Very Good
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Model

BioGaia Protectis Baby Drops with Vitamin D | Probiotic Supplement for Newborns, Infants & Babies | Daily Digestive & Immune Support with 100 Million Live L. Reuteri | Features LongevityGuard | 10 ml
Model
BioGaia Protectis Baby Drops with Vitamin D | Probiotic Supplement for Newborns, Infants & Babies | Daily Digestive & Immune Support with 100 Million Live L. Reuteri | Features LongevityGuard | 10 ml
Model
Optibac Probiotics Baby Drops - Vegan Baby Probiotics - Most Trusted by Parents - Suitable for Newborns, Babies & Infants - 10ml - 30 Day Supply
Model
Optibac Probiotics Baby Drops - Vegan Baby Probiotics - Most Trusted by Parents - Suitable for Newborns, Babies & Infants - 10ml - 30 Day Supply
Model
BioGaia Protectis Baby Drops | Probiotic Supplement for Newborns, Babies & Infants | Daily Digestive Support with 100 Million Live L. Reuteri Probiotics | Features LongevityGuard | 10 ml
Model
BioGaia Protectis Baby Drops | Probiotic Supplement for Newborns, Babies & Infants | Daily Digestive Support with 100 Million Live L. Reuteri Probiotics | Features LongevityGuard | 10 ml
Model
BioGaia Protectis Baby Drops | Probiotic Supplement for Newborns, Babies & Infants | Daily Digestive Support with 100 Million Live L. Reuteri Probiotics | Features LongevityGuard | 5 ml

Brand

BioGaia
Brand
BioGaia
Brand
OptiBac
Brand
OptiBac
Brand
BioGaia
Brand
BioGaia
Brand
BioGaia

Reviews

1,170 reviews
Reviews
1,170 reviews
Reviews
5,319 reviews
Reviews
5,319 reviews
Reviews
1,725 reviews
Reviews
1,725 reviews
Reviews
6,639 reviews

Tech Specs

package dimensions

8.1 x 4.1 x 3.2 cm; 20 g
package dimensions
8.1 x 4.1 x 3.2 cm; 20 g
package dimensions
-
package dimensions
-
package dimensions
8.4 x 4.2 x 3 cm; 40 g
package dimensions
8.4 x 4.2 x 3 cm; 40 g
package dimensions
-

product dimensions

-
product dimensions
-
product dimensions
‎4.2 x 4.2 x 8 cm; 40 g
product dimensions
‎4.2 x 4.2 x 8 cm; 40 g
product dimensions
-
product dimensions
-
product dimensions
3 x 3.99 x 8 cm 30 g

Available On

Available On
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Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.9
    1
    BioGaia

    BioGaia Protectis Baby Drops with Vitamin D | Probiotic Supplement for Newborns, Infants & Babies | Daily Digestive & Immune Support with 100 Million Live L. Reuteri | Features LongevityGuard | 10 ml

    Why we love it

    Clinically proven for gut health.
    Easy to use for infants.
    Boosts immune system with Vitamin D.
    Main highlights
    • WITH LongevityGuard TECHNOLOGY - To ensure high quality, Baby Drops with Vitamin D features LongevityGuard, a unique probiotic protector inside the packaging that guarantees the probiotic bacteria remains alive. Our patented desiccant and production method ensures 100 million live L.reuteri probiotics per daily dose, no refrigeration required.
    • TRUSTED AROUND THE WORLD: For over thirty years, BioGaiaBioGaia Protectis Baby Drops has been a world-renowned leader in infant probiotic research. 

    • PREMIUM PROBIOTICS FOR NEWBORNS, BABIES & INFANTS: With over 100 million products sold, BioGaia Protectis Baby Drops with Vitamin D is a 2-in-1 probiotic supplement scientifically formulated for babies and infants. Suitable from birth onwards, great as a toddler or kids’ probiotic.
    • IMMUNE SUPPORT: With Vitamin D, which contributes to the normal functioning of the immune system and is needed for normal growth and development of bone in infants and children. Just five drops a day delivers a minimum of 100 million live L. reuteri Protectis and 10µg of vitamin D, corresponding to 200% of RI (Reference Intake) in the UK.
    • EASY TO USE: Ideal for breast-or formula feed babies, our probiotic Baby Drops with Vitamin D can be administered with or without food, any time of day. Straight into the nappy bag, no refrigeration required.
  • 9.8
    2
    BioGaia

    BioGaia Protectis Baby Drops with Vitamin D | Probiotic Supplement for Newborns, Infants & Babies | Daily Digestive & Immune Support with 100 Million Live L. Reuteri | Features LongevityGuard | 10 ml

    Why we love it

    Clinically proven for gut health.
    Easy to use for infants.
    Boosts immune system with Vitamin D.
    Main highlights
    • WITH LongevityGuard TECHNOLOGY - To ensure high quality, Baby Drops with Vitamin D features LongevityGuard, a unique probiotic protector inside the packaging that guarantees the probiotic bacteria remains alive. Our patented desiccant and production method ensures 100 million live L.reuteri probiotics per daily dose, no refrigeration required.
    • TRUSTED AROUND THE WORLD: For over thirty years, BioGaiaBioGaia Protectis Baby Drops has been a world-renowned leader in infant probiotic research. 

    • PREMIUM PROBIOTICS FOR NEWBORNS, BABIES & INFANTS: With over 100 million products sold, BioGaia Protectis Baby Drops with Vitamin D is a 2-in-1 probiotic supplement scientifically formulated for babies and infants. Suitable from birth onwards, great as a toddler or kids’ probiotic.
    • IMMUNE SUPPORT: With Vitamin D, which contributes to the normal functioning of the immune system and is needed for normal growth and development of bone in infants and children. Just five drops a day delivers a minimum of 100 million live L. reuteri Protectis and 10µg of vitamin D, corresponding to 200% of RI (Reference Intake) in the UK.
    • EASY TO USE: Ideal for breast-or formula feed babies, our probiotic Baby Drops with Vitamin D can be administered with or without food, any time of day. Straight into the nappy bag, no refrigeration required.
  • 9.6
    3
    OptiBac
    20% Off

    Optibac Probiotics Baby Drops - Vegan Baby Probiotics - Most Trusted by Parents - Suitable for Newborns, Babies & Infants - 10ml - 30 Day Supply

    Why we love it

    Gentle for newborns and infants.
    Vegan and allergen-free.
    Easy to administer daily.
    Main highlights
    • QUALITY BACTERIA STRAINS: Optibac Probiotics Baby Drops maintains balance in the baby’s gut flora by increasing natural levels of Bifidobacteria
    • ESPECIALLY FOR NEWBORNS, BABIES & INFANTS: This Optibac Probiotics supplement is scientifically formulated to be gentle enough to be used from birth. They also work great as a kids or toddler probiotic.
    • EASY ORAL DROPS: Give 8 probiotic drops daily (0.3ml in total as indicated on the dropper) - either directly into the mouth*, place on the nipple or mix drops into formula, milk or food *Refrigerate if administering directly into the mouth. Each 10ml bottle provides 30 days supply. (1 serving per day, 1 serving = 8 probiotic drops).
    • A VEGAN, MORE NATURAL CHOICE: This probiotic supplement is vegan, dairy free, gluten free & free from added sugar, artificial flavourings or colourings
    • 1 BILLION CFU: Optibac guarantees 1 billion live probiotic bacteria per serving, to complement your infant's natural gut bacteria

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Features

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Value for money

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When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.