10 Best Probiotic Drops in The UK

Last updated on 12/08/2025

Advertising disclosure

BIOGAIA Protectis Baby Drops with Vitamin D | Lactobacillus Reuteri Probiotic Supplement for Newborns, Infants & Babies | for Digestive and Immune System, Helps Relieve Tummy Gas and Discomfort

Free Shipping

Why We Love It

Supports early-life gut health.
Promotes immune system functionality.
Most researched probiotics worldwide.

Main Highlights

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 to help maintain a natural balance in the gut and support digestive ease. Safe from birth onwards, great as a toddler or kids’ probiotic.
BACKED BY SCIENCE: Baby probiotic with high-quality bacteria lactobacillus reuteri - among the most researched probiotic in the world. Clinically proven in over 250+ studies, to help boost good microorganisms and maintain a natural balance in the gut.
IMMUNE SUPPORT: Infused 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.
NATURAL + EASY TO USE: Ideal for breast-or formula feed babies, our probiotic Baby Drops are 100% natural, and can be taken with or without food, any time of day. A newborn, baby essential.
WORLD-LEADING BRAND: BioGaia is a world leader in infant probiotics and microbiome research. Our multi award-winning Baby Drops are recommended by 9/10 UK mums and are sold in over 100 countries.*

Promotes infant health from birth.
Used in NHS-supported research.
Safe for babies with colic.

Main Highlights

Hospital-grade probiotic drops - 5ml in a 10ml bottle (to ensure thorough mixing) - designed for babies & infants from birth
Widely used for babies in NHS supported by published research evidence
2 billion live multistrain bio-flora bacteria per daily dose (recommended)
Frequently recommended by Paediatricians for babies with colic, tummy pains, reflux, wind, constipation and after exposure to antibiotics
Pharmaceutical Quality and safe: No allergens, preservatives, sweeteners, colourants or animal products (suitable for vegans)

Formulated for baby-specific needs.
USDA Organic and Allergen Free.
Award-winning trusted brand.

Main Highlights

FORMULATED FOR AGES 0 - 12 MONTHS. Babies have unique needs. Colic, diarrhea, eczema, constipation, digestive upset and weakened immune systems are just a few of the issues driven by probiotic-related deficiencies. Target these with 6 clinically studied baby-specific strains.
USDA ORGANIC CERTIFIED & SUGAR FREE. Make sure that the benefits of a multi-strain clinically studied probiotic aren't cancelled out before they even reach your toddlers' tummy. Probiotics have to be sugar free AND USDA Organic Certified. ALLERGEN FREE.
AWARD WINNING. Lovebug is the proud recipient of the Gold Medal Mom's Choice Award, the Eco-Excellence Award, and various widely recognized "Product of the Year" accolades. These awards recognize Lovebug's commitment to not only quality and purity, but also crafting products that meet the unique needs of toddlers and young children.
USDA ORGANIC: Made in the USA, Non-GMO, Free of the 8 Major Allergens, No Chemicals or Preservatives, No Artificial Colors or Flavors. Our USDA certified organic probiotic uses only the best natural ingredients determined by our researchers to provide optimal benefits to babies 0 months and up.
LOVEBUG – THE NAME YOU TRUST IN PROBIOTICS FOR THE FAMILY. Created by a mom, for moms & trusted by moms everywhere, our staged-line of probiotics has you covered for the whole family. All of our products are third-party tested and manufactured in the USA, in a GMP registered facility to the highest quality standards.

Clinically studied, proven infant safety.
Promotes digestive tract bacteria.
Highly recommended by paediatricians.

Main Highlights

HIGHLY EFFECTIVE PROBIOTIC FOR NEWBORNS, BABIES & INFANTS: Recommended by paediatricians and healthcare professionals worldwide and with over 100 million products sold, BioGaia Protectis Baby Drops is a world-first, dairy-free probiotic supplement, scientifically proven to help balance and encourage good bacteria in the digestive tract and to reduce crying time. Proven safe from birth onwards, great as a toddler or kids’ probiotic.
INFANT DROPS WITH L.REUTERI: The world’s most researched probiotic* BioGaia’s L.Reuteri bacteria strain originates from breast milk, making it a rare probiotic strain having co-evolved with humans since the dawn of time. It is easily absorbed and utilised by your baby’s developing digestive system, complementing their natural gut flora.
NEWBORN AND INFANT ESSENTIAL: Perfect for breast-or formula-fed babies, our probiotic Baby Drops are allergen-free and can be taken with or without food, any time of day. Just five drops daily, can be administered on the nipple, or on a sterile spoon or clean finger
PIONEERING INFANT GUT HEALTH: Our baby probiotic, powered by high-quality Lactobacillus reuteri, stands at the forefront of microbiome research. Backed by 250+ clinical studies, it helps support and maintain gut balance, reduce infant digestive issues and restore household happiness.
TRUSTED AROUND THE WORLD: For over thirty years, BioGaia is a world-renowned leader in infant probiotics research. Our multi award-winning Baby Drops are Mumsnet rated, recommended by 9/10 UK mums* and are sold in over 110 countries.

Natures Aid Mini Drops Daily Microbiotic 50ml Liquid Drops – Gentle Gut Bacteria Support for Babies & Toddlers 0-5 Years, 1 Billion CFU Live Cultures Per Serving - Sugar-Free, Gluten-Free, Dairy-Free

Free Shipping

Why We Love It

Optimum potency ensures superior quality.
Vegetarian and vegan-friendly formulation.
Promotes holistic wellness effortlessly.

Main Highlights

✅ SCIENTIFICALLY FORMULATED FOR BABIES & TODDLERS – Contains a 3-strain blend of live bacteria that complement digestive systems. Each 1ml serving delivers 1 billion CFU to support the developing microbiome.
✅ LIQUID DROPS FOR EASY DIGESTION – No more struggles with powders or gummies! Effortless to mix into any food or drink, making it ideal for both breastfed and formula-fed infants.
✅ SAFE, GENTLE & FREE FROM NASTIES – No added sugar, gluten, dairy, lactose, nuts, soy, or artificial preservatives. Flavourless drops make it suitable for even the most sensitive little tummies.
✅ NO REFRIGERATION NEEDED – Shelf-stable, with a convenient 50ml bottle that’s perfect for home or travel. Includes dropper and dessicant balls to aid mixing and shelf life.
✅ UK's TRUSTED & AWARD WINNING BRAND for Over 40 Years: Natures Aid has been a pioneer in natural health since 1981, delivering award-winning, innovative nutritional supplements. Manufactured in our state-of-the-art 43,000 ft facility in Lancashire, we uphold Pharmaceutical-grade quality standards. As industry leaders, we're the first UK company to secure a Traditional Herbal Registration, ensuring the highest efficacy in our herbal offerings. Experience quality and innovation with Natures Aid.

Baby Probiotics Drops with Vitamin D3 — 2.5 Billion CFU Kids Probiotics for Gut Health, Effective Digestive Support, and Colic Relief - 10ML & 50 Days’ Supply (10 Ml)

Free Shipping

Why We Love It

Promotes baby's digestive health.
Safest for young tummies.
Supports overall child well-being.

Main Highlights

Digestive Health for Babies—: Our children's probiotics are specially formulated to provide gentle and effective digestive support for children, promoting a healthy gut and overall well-being.
Ideal Blend—: These probiotic for kids contain a blend of beneficial probiotic strains to support a balanced gut microbiome, helping to maintain healthy digestion and immune function.
Easy-to-Administer—: With a convenient dropper design, our probiotics for kids drops make it simple to administer the probiotics to children. Just add the recommended amount to their favorite beverage or food.
Gentle and Safe—: Our baby probiotics formula is designed with the sensitivity of children in mind. It is gentle on their stomachs and free from artificial colors, flavors, and preservatives, ensuring the highest level of safety.
Versatile and Potent—: Each drop of 10 mL bottle of our proven probiotics for children provides a potent dose of beneficial microorganisms to support your child's digestive system and overall health.

Optibac Probiotics Baby Drops 10ml - Expertly Formulated Vegan Digestive Probiotic Supplement for Newborns, Babies & Infants - Scientifically Proven Friendly Bacteria - Easy Oral Drops - 30 Day Supply

Free Shipping

Why We Love It

Safe from birth.
1 billion CFU.
Balances gut flora.

Main Highlights

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.
1 BILLION CFU: Optibac guarantees 1 billion live probiotic bacteria per serving, to complement your infant's natural gut bacteria
QUALITY BACTERIA STRAINS: Optibac Probiotics Baby Drops maintains balance in the baby’s gut flora by increasing natural levels of Bifidobacteria
A VEGAN, MORE NATURAL CHOICE: This probiotic supplement is vegan, dairy free, gluten free & free from added sugar, artificial flavourings or colourings
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).

BioGaia Protectis Probiotic Drops 5ml,Suitable for Newborn Babies,Balance Baby’s Gut Flora. Contains BioGaia Patented L Reuteri DSM 17938

Why We Love It

Clinically studied safety.
Found in breastmilk.
Promotes digestive health.

Main Highlights

One of the safest and most clinically studied probiotics in infants
With probiotic strain found naturally in breastmilk
Encourages good bacteria in the digestive tract
Recommended by pediatricians worldwide
5 drops once daily - safe to use from birth

SMART STRAINS Baby & Toddler Probiotic Drops - Clinically Proven Live Bacteria and Immune Support, Formulated by The Gut Health Doctor | 1 Billion BB-12 Bacterial Cultures & Vitamin D3 | 28 Doses

24% OffFree Shipping

Why We Love It

Clinically proven for fussy babies.
Safe and easy-to-use drops.
Supports gut and immune health.

Main Highlights

𝗙𝗢𝗥𝗠𝗨𝗟𝗔𝗧𝗘𝗗 𝗕𝗬 𝗧𝗛𝗘 𝗚𝗨𝗧 𝗛𝗘𝗔𝗟𝗧𝗛 𝗗𝗢𝗖𝗧𝗢𝗥 Dr Megan Rossi (PhD, RD, APD), leading dietitian, nutritionist and gut health scientist with an award-winning PhD in probiotics. With SMART STRAINS, she is revolutionising the way people use live bacteria to care for themselves and their families, one strain at a time. This SMART STRAINS probiotic for babies and toddlers is a digestive supplement, specially designed to support your baby’s and toddler’s gut microbiome and immune system, with live bacterial strains clinically-proven to support fussy babies & toddlers.
𝗥𝗜𝗚𝗛𝗧 𝗦𝗧𝗥𝗔𝗜𝗡 – These baby probiotic drops are specially formulated with Bifidobacterium lactis, BB-12, the world’s most researched Bifidobacterium strain. (BB-12) is specifically recommended for fussy babies by the World Gastroenterology Organisation Guidelines on Probiotics, and other leading Paediatric Health Authories. Enriched with 10µg of Vitamin D3 (100% of the daily recommended intake), to support baby’s developing immune system.
𝗥𝗜𝗚𝗛𝗧 𝗧𝗜𝗠𝗘 – Safe to use from birth to 12 months and beyond. Specially designed and clinically proven for fussy babies, and suitable for all babies, including newborns and toddlers. Give once daily, for a minimum of 21 days. The NHS recommends taking a daily supplement of 10µg of Vitamin D3 all year round for infants and children 4 years and under.
𝗥𝗜𝗚𝗛𝗧 𝗪𝗔𝗬 - Safe, easy-to-use drops with proven effectiveness: Shake well and give 6 drops daily by adding to milk, formula, or directly onto your baby’s tongue. 6 drops provides the recommended 1 billion (BB-12) + 10µg of Vitamin D3 daily. This clean-label formulation is gluten-free, dairy-free and contains no added sugars, sweeteners, emulsifiers, colours, flavours or preservatives. Lab-tested for purity and potency, ensuring safety for babies' and kids’ gut health supplement.
𝗖𝗟𝗜𝗡𝗜𝗖𝗔𝗟𝗟𝗬 𝗣𝗥𝗢𝗩𝗘𝗡 𝗕𝗔𝗖𝗧𝗘𝗥𝗜𝗔𝗟 𝗦𝗧𝗥𝗔𝗜𝗡𝗦 – You wouldn’t take an iron supplement to treat a vitamin D deficiency, so why take a generic probiotic supplement that doesn’t address your baby’s needs? Each type of bacteria, known as a 'strain', has a specific purpose, required in a specific dose, and taken in a specific format, to have any real impact.

Alflorex Original - Daily Gut Health Probiotics Supplement with Unique Bifidobacterium Longum Bacteria Strain 35624 - Bacterial Cultures - 30 Capsules

Free Shipping

Why We Love It

Promotes daily gut health.
Efficiently reaches gut alive.
Ideal for dietary restrictions.

Main Highlights

UNIQUE BACTERIA STRAIN: Each capsule of Alflorex Original contains specially formulated probiotics for gut health and is packed with live bacteria from the Bifidobacterium longum family, specifically strain 35624, carefully selected for its efficacy. Bifidobacterium longum 35624 is a unique strain, only found in PrecisionBiotics products in the UK.
LIVE FRIENDLY BACTERIA: Alflorex Original probiotics are scientifically proven to reach and survive in the human gut. The bacterial cultures reach your gut in peak condition within a few hours of taking it.
THE GUT MICROBIOME: Did you know that good health starts with the microbiome? It’s an amazing universe of bacteria that helps to look after our health. It can affect digestion, metabolism, immunity, and brain health.
EASY TO TAKE: Take one Alflorex Original capsule every day (one pack contains a 1 month supply). Can be taken with or without food, at any time of the day. No need for refrigeration. Convenient small capsule. Probiotics for women & men. Always read the label.
SUITABLE FOR: Vegetarians and those on low FODMAP diet. Gluten free, soya free, diary free, lactose free.

8.7

Excellent

We scanned 910 products

We reviewed these offers relevant to the Probiotic Drops within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like BioGaia, Labinic Drops, LOVEBUG, Natures Aid, Swiss Bork, OptiBac, SMART STRAINS, PrecisionBiotics, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Probiotic Drops in the market, we considered we took a deep dive into 4551 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is BIOGAIA Protectis Baby Drops with Vitamin D | Lactobacillus Reuteri Probiotic Supplement for Newborns, Infants & Babies | for Digestive and Immune System, Helps Relieve Tummy Gas and Discomfort. We love many things about this product by BioGaia. What sets it apart from the competition is Supports early-life gut health, Promotes immune system functionality, Most researched probiotics worldwide.
The best value product for most shoppers and where user satisfaction is continuously the highest is Labinic Probiotic Drops | Same Quality as used in NHS | Triple Strain | 2 billion/day Lactobacillus & Bifidobacteria | For Babies & Infants from birth | under £1/day | by Labinic Drops based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Probiotic Drops and the best cost-to-value ratio is SMART STRAINS Baby & Toddler Probiotic Drops - Clinically Proven Live Bacteria and Immune Support, Formulated by The Gut Health Doctor | 1 Billion BB-12 Bacterial Cultures & Vitamin D3 | 28 Dosesat SMART STRAINS with a 24% discount.
Our list of the best Probiotic Drops is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Probiotic Drops in The UK

Related Deals You Might Like for Probiotic Drops

Colief Multibiotic Drops Baby| 2 Probiotic Strains Lactobacillus Rhamnosus &Bifidobacterium Infantis | Suitable from Birth |1.1 Billion Live Cultures for Newborns | 8ml (1)

Mumsworld Probiotic Baby Drops with Vitamin D - Colic Relief for Babies & Newborns - Reduces Bloating, Wind and Crying - Probiotics for Babies & Children (10ml, 50 Servings)

Optibac Probiotics Babies & Children - Probiotic for Immune System Support with Vitamin D Booster & 3 Billion Bacterial Cultures - 30 Sachets

Cat Vitamins, 15 in 1 Cat Multivitamin Liquid Drops, Cats Vitamins and Supplements with Glucosamine and Probiotics, Bones, Joint, Skin & Coat, Bladder, Immune System Support, 60ML

BioGaia Pharax Drops for Kids | Probiotic Supplement with 100 Million Live L. Reuteri and Vitamin D | Gut and Immune Support for Children and Toddlers

2Pcs Gut Drops - Natural Probiotics for Gut Health Drops, GutDrops Official Ultra Gut Support with Pumpkin Seeds Extract, Gutdrops for Overall Body Health

Probiotic For Dogs, 60ml Probiotic Drops For Dogs, Probiotics To Support Gut Health, Immune Enhancement, Relief Of Gastrointestinal Discomfort, Pre & Probiotics With Enzymes

BioGaia Protectis Kids Tablets | 30 Chewable Probiotic Supplements with 100 Million Live L. Reuteri | Gut Health and Comfort | Digestive System Support for Children - Strawberry Flavour

Dog Probiotic, Probiotics for Dogs with Prebiotic and Enzymes, 3 in 1 Dog Probiotic Drops, Dogs Probiotics Supplement Help Digestive Support Gut Health

Optibac Kids Probiotic with Vitamin D & Calcium for Immune System Support & Gut Health and 2 Billion Bacterial Cultures - 30 Vegan Gummies

We scanned 910 products

We concluded that: