10 Best Bacterial Cultures in The UK

Last updated on 07/09/2025

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Bio Cultures Complex Probiotics & Prebiotics - 60 Billion CFU - 2 Months Supply - 120 Capsules - 20 Live Bio Cultures - Lactobacillus & Bifidobacterium Strains - Vegan Probiotic Complex Capsules

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Why We Love It

Balances gut flora effectively.
Enhances digestive health naturally.
Ensures optimal bacterial absorption.

Main Highlights

BIO CULTURES COMPLEX WITH 20 PROBIOTIC STRAINS: WeightWorld's Probiotic Complex contains 20 active probiotic strains, including Lactobacillus Acidophilus Probiotic, Lactobacillus Reuteri, Lactobacillus Gasseri, Lactobacillus Rhamnosus, Lactobacillus Plantarum, Bifidobacterium Probiotics, and more. Each serving (2 probiotic capsules) offers 60 billion CFU of viable probiotic cultures.
CONTAINS PREBIOTICS: WeightWorld Prebiotic & Probiotic Supplements include prebiotic ingredients such as 200mg of organic inulin powder and 100mg of fructooligosaccharides per serving. Prebiotics are a type of non-soluble fibre or compound that serves as a food source for probiotic strains. These prebiotics keep the probiotics active and allow them to multiply internally.
2 MONTHS SUPPLY: These Pro and Prebiotics for Women and Men come in easy-to-swallow capsules, great for daily use. Formulated to withstand harsh conditions, they effectively reach the targeted areas. No refrigeration is required, making them simple to store and suitable for travellers or those with a busy routine. Each bottle contains 120 capsules, providing a 2-month supply.
VEGAN-FRIENDLY, NON-GMO & DAIRY-FREE: WeightWorld’s Pro Bio Cultures Complex is formulated with non-GMO ingredients and follows GMP standards for effectiveness. Developed for both men and women, these travel-friendly Prebiotic and Probiotic Supplements are free from soy, lactose, dairy, and preservatives. Suitable for vegans and vegetarians, they’re a great fit for various dietary lifestyles.
THE JOURNEY OF WEIGHTWORLD: Born from a passion for food supplements, WeightWorld has been growing since 2006. With nearly two decades of experience, the brand offers a wide range of products, including vitamins, minerals, plant-based supplements, devices, and more. Now reaching multiple countries, the focus remains on developing products that evolve with changing needs while staying true to the values that started it all.

Nu U Nutrition - Bio-Cultures Complex - 180 High Strength Capsules - Lactobacillus Acidophilus, Rhamnosus & Bifidobacterium - 6 Month Supply - Gentle Vegetarian Multi-Strain Formula for Men & Women

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Why We Love It

Potent, multi-strain formula.
Six-month full supply.
Locally made, ethical product.

Main Highlights

✔ HIGH STRENGTH BIO CULTURES - Our high potency formula provides a diverse blend of live probiotic cultures including Lactobacillus rhamnosus, Lactobacillus salivarius, Lactobacillus acidophilus, Streptococcus thermophilus, and Bifidobacterium bifidum. Our Bio Cultures Complex supplement is trusted by thousands of customers for its quality and reliability. Refrigeration is not required.
✔ MULTI-STRAIN FORMULA FOR MEN & WOMEN - Our advanced pro biotics supplement goes beyond single-strain formulas by providing a diverse blend of 5 live bacteria strains to support your routine. These carefully selected strains include Lactobacillus Acidophilus, Streptococcus Thermophilus, Lactobacillus Rhamnosus, Lactobacillus Salivarius and Bifidobacterium Bifidum, ensuring a broad spectrum of good bacteria in every capsule.
✔ SIX MONTH SUPPLY - Our Bio-Cultures Complex probiotics provides a generous six month supply, reducing the need for frequent reordering. This ample supply makes it effortless to incorporate our high quality formula into your daily routine, ensuring you can maintain consistency as you explore the potential benefits of our carefully selected strains.
✔ VEGETARIAN AND ALLERGEN FRIENDLY - Nu U Nutrition Bio Cultures probiotics capsules are suitable for vegetarians and are free of Gluten, GMOs, Dairy and Wheat. Experience the difference with our Bio-Cultures supplement, already trusted by thousands of happy Nu U Nutrition customers!
✔ THE NU U NUTRITION STORY - TRUSTED SUPPLIER OF NUTRITIONAL SUPPLEMENTS - Starting as a family business in 2014, we’ve expanded to offer a diverse range of high-quality supplements designed to support different lifestyles. Our mission is to make wellness simple, with premium ingredients that cater to your daily nutritional needs—whether for general health or targeted goals.

Bio Cultures Complex Probiotics and Prebiotics - 77 Billion CFU - 20 Live Cultures - 60 Capsules - Strains Like Lactobacillus Acidophilus & Casei - Prebiotic and Probiotic Supplements for Women & Men

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Why We Love It

Promotes a balanced gut health.
Enhances absorption with delayed-release.
Vegan-friendly and gluten-free.

Main Highlights

20 PROBIOTIC STRAINS DELIVERING 77 BILLION CFU: WeightWorld's Bio Cultures Complex Probiotics for Women & Men provide 77 billion CFU per serving from 20 live cultures. This includes 12 Lactobacillus strains like Rhamnosus, Acidophilus, Crispatus, Salivarius, Reuteri, Casei & Gasseri & Plantarum, as well as 5 Bifidobacterium strains like Longum, Infantis & Lactis. Key strains like Lactococcus Lactis, Streptococcus Thermophilus, & Enterococcus Faecium are also included to complement the complex,
ADDED PREBIOTIC COMPLEX: These Bio Cultures Complex Probiotics contain a blend of prebiotics that act as food for probiotics. These prebiotics not only keep probiotics alive but also allow the probiotic strains to grow and multiply. Each serving offers 200mg of Organic Inulin Powder and 100mg of FOS (Fructosaccharides) Powder, both of which are known for playing a role in the survival and activity of probiotics.
EASY TO SWALLOW & TRAVEL-FRIENDLY: These Pro and Prebiotics for Women & Men have been specially designed to be easy to swallow for everyday convenience. These probiotic capsules can survive harsh environments and reach the intended areas for efficacy. Plus, there’s no need for refrigeration, so this probiotic complex bottle is easy to store and suitable for those who travel or have a busy lifestyle. Each pro biotics bottle contains 60 capsules that will last for a whole month.
VEGAN-FRIENDLY, NON-GMO & DAIRY-FREE: WeightWorld's Prebiotic and Probiotic Supplements are formulated using non-GMO ingredients and are manufactured in accordance with GMP standards for effectiveness & consistency. Moreover, these travel Probiotics for Women & Men are free from soy, lactose, dairy, and preservatives and are suitable for vegans and vegetarians. This makes them a great option for a range of dietary needs and preferences. In case of any concerns, feel free to reach out.
THE JOURNEY OF WEIGHTWORLD: Born from a passion for food supplements, WeightWorld has been growing since 2006. With nearly two decades of experience, the brand offers a wide range of products, including vitamins, minerals, plant-based supplements, devices, and more. Now reaching multiple countries, the focus remains on developing products that evolve with changing needs while staying true to the values that started it all.

60 Billion CFU Probiotic Cultures - Scientifically Backed Lactospore® for Good Gut Flora - Enteric Coating to Ensure Probiotics are Delivered Directly to The Gut, Made in The UK by Nutravita

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Why We Love It

Contains 21 beneficial bacteria strains.
Promotes improved nutrient absorption.
Certified, reliable dietary supplement.

Main Highlights

60 Billion CFU from 21-Strain Complex: Our vegan, easy to swallow and stable capsules contain 21 live bacteria strains with an impressive 60 billion CFU per serving (2 capsules). Each bottle contains 60 capsules which is a full month’s supply. We have also included Lactospore (Bacillus coagulans), a live bacteria strain which has been subject to several clinical trials to support its effectiveness.
Delayed release for better absorption: Most other similar products on the market are not delayed release as their capsules dissolve in the stomach acid. Our Bio Complex 60 billion CFU capsules are resistant to stomach acid allowing them to travel to the intestine where the live bacteria can be the most effective. In addition, every capsule contains 100mg of Inulin which promotes the growth of the friendly bacteria. Designed for daily use, it supports those looking for probiotics for women, pro biotics capsules. Manufactured in the UK and presented in an easy-to-swallow vegan format.
Clean Nutrition You Can Trust: Nutravita’s supplements are manufactured in certified facilities to meet the highest GMP and BRC quality standards. Each batch is rigorously tested for quality and safety. Free from artificial colours, preservatives, and unnecessary binders or fillers for daily use.
Formulated by Nutritionists: Nutravita's products are developed with a team of in-house nutritionists to deliver trusted, effective formulations. We include ingredients with proven benefits to support your wellbeing every day. We are here for your daily support for a wide range of health goals.
Nutravita - Your Health Matters. Trusted By Many, Made For You: Founded in the UK, Nutravita is a family-run brand trusted by thousands of customers since 2014. Our mission is simple: to provide quality, honest supplements that support a healthier lifestyle - backed by transparency, science and care.

Bio-Kult Everyday Multi-Strain Formulation Probiotics for Digestive System, 60 Capsules (Pack of 1)

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Why We Love It

Boosts existing healthy gut flora.
Complements with diverse bacterial strains.
Versatile for all dietary needs.

Main Highlights

Bio-Kult contains 14 strains of live bacteria to complement the existing gut ﬂora naturally present in a healthy person’s digestive system
Microorganisms present in the intestine, collectively called the gut microbiota, are essential to health
Includes Lactobacillus acidophilus, Bifidobacterium longum, Bacillus subtilis and 11 more
Suitable to be taken alongside antibiotics, children from aged 3, when pregnant, when travelling, by vegetarians and as part of a healthy diet. Non GMO
If you are taking any medications or have any medical conditions, please consult your doctor before taking any nutritional food supplement

Optibac Probiotics Every Day - Digestive Probiotic Supplement with 5 Billion Bacterial Cultures & FOS Fibres - 30 Capsules

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Why We Love It

Boosts your immune system health.
Promises 5 billion live probiotics.
Natural, suitable for whole family.

Main Highlights

DAILY DIGESTIVE SUPPLEMENT: Did you know up to 70% of your immune system can be found in the gut?* Optibac Probiotics are scientifically proven to reach your gut alive to complement your natural gut flora. *Source: Vighi et al. (2008)
5 BILLION CFU: Optibac guarantees 5 billion live probiotic bacteria in every capsule
6 STRAIN FORMULATION: contains extensively researched Lactobacillus, Bifidobacterium and Lactococcus strains, scientifically proven to reach the gut alive
FIBRE: Contains 88mg of (FOS) fibres to increase your natural gut bacteria
A VEGETARIAN, MORE NATURAL OPTION: This digestive probiotic supplement is vegetarian, gluten free & free from added sugar, artificial flavourings or colourings. Suitable for women, men & children from 4 years old

Incite Nutrition Bio Cultures Complex 45 Billion CFU. 1 Month Supply of Prebiotics and Probiotics. 15 Bacterial Strains + Inulin for Digestive Support and Gut Health. Suitable for Vegetarians & Vegans

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Why We Love It

High potency with multiple strains.
UK made, premium ingredients.
Full refund guarantee offered.

Main Highlights

High strength formula: Two capsules of our bio cultures complex deliver 45 billion CFU from 15 beneficial strains, plus inulin—a prebiotic that nourishes your gut flora and helps maintain a balanced microbiome.
Health benefits: Our bio cultures complex helps maintain a balanced microbiome by supporting healthy bacteria and inhibiting harmful microorganisms. The 15 strains work synergistically to support gut health, immune support, and relief bloating.
1 month supply: One bottle contains 60 vegan capsules that are non-GMO and made to GMP standards. With no artificial additives or unnecessary fillers, just simple, straightforward goodness.
Easy to take: Take two capsules in the morning on an empty stomach for optimal absorption. Designed for daily ease and better results, without the hassle.
We care about you: Everybody responds differently to dietary supplements. If our bio cultures complex isn’t right for you, or you are unsatisfied for any reason, simply contact Incite Nutrition, as we care about our customers’ experience with our supplements.

Probiotics & Prebiotics Complex – 80 Billion CFU – 20 Live Strains Including Lactobacillus Acidophilus & Casei – High Strength Bio Cultures Prebiotic & Probiotic Supplement for Women & Men 60 Capsules

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Why We Love It

80 billion CFU for optimal support.
Diverse strains promote gut balance.
Prebiotics enhance probiotic effectiveness.

Main Highlights

New Leaf’s Bio Cultures Complex delivers an impressive 80 billion CFU per serving, featuring 20 carefully selected strains of bacterial cultures. A wide variety of strains helps ensure a broader spectrum of support, as different strains may thrive in various parts of the digestive tract. This diverse formulation is designed to complement the body’s natural microbiome and promote overall gut balance.
ENRICHED WITH INULIN & FOS (Prebiotics) This complex includes added Inulin and Fructooligosaccharides (FOS), both known as prebiotics. Prebiotics serve as food for beneficial bacteria, helping them grow and flourish in the gut. By feeding the live cultures, Inulin and FOS enhance the effectiveness of the probiotic strains, supporting a more balanced and active digestive environment.
CONVENIENT 1-MONTH SUPPLY Each bottle contains 60 capsules, providing a one-month supply of this advanced gut support formula. Combining 20 bacterial strains with 80 billion CFU and key prebiotics, New Leaf’s Bio Cultures Complex offers a comprehensive approach to digestive wellness. It’s a convenient way to support your gut’s natural balance with a formulation designed for everyday use.
SAFETY & QUALITY - To uphold the highest standards of safety and quality, our products undergo post-production testing for heavy metals and other unwanted compounds, ensuring full compliance with international regulations. Once testing is complete, products are bottled and packaged in BRC certified facilities, guaranteeing that our rigorous quality standards are reliably maintained and delivered to you.
Why Choose New Leaf Products? As a family-owned business with extensive experience in formulating and producing our unique range of over 100 vitamin and mineral supplements, we are dedicated to upholding the highest standards of safety and quality. We prioritise environmental sustainability and social responsibility, donating a portion of our sales to global causes. Join our community where our customers are always our top priority.

Premium Bio Cultures Complex 180 Capsules (6 Month’s Supply) | High Strength Probiotic | Vegan Multi Strain Probiotic | Lactobacillus Acidophilus & Bifidobacterium | Supports Digestive Health

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Why We Love It

Promotes healthy digestive system.
Enhances immunity and skin health.
Made with highest standards.

Main Highlights

𝐇𝐢𝐠𝐡 𝐒𝐭𝐫𝐞𝐧𝐠𝐭𝐡 𝐁𝐢𝐨 𝐂𝐮𝐥𝐭𝐮𝐫𝐞𝐬 𝐂𝐨𝐦𝐩𝐥𝐞𝐱 𝐟𝐨𝐫 𝐃𝐚𝐢𝐥𝐲 𝐒𝐮𝐩𝐩𝐨𝐫𝐭: Maintain your digestive balance with our powerful bio cultures complex probiotics, designed for consistent daily intake. Each capsule contains over 1 billion viable organisms from 5 active strains, including lactobacillus acidophilus. A simple way to reinforce your gut with premium probiotics for long-term support.
𝐆𝐮𝐭 𝐇𝐞𝐚𝐥𝐭𝐡 𝐚𝐧𝐝 𝐖𝐞𝐥𝐥-𝐁𝐞𝐢𝐧𝐠 𝐌𝐚𝐝𝐞 𝐒𝐢𝐦𝐩𝐥𝐞: Our advanced formula is developed to naturally enhance your gut health by promoting a thriving environment for good bacteria. Featuring both prebiotic and probiotic supplements, it offers an easy and effective way to maintain internal balance. Perfect for anyone seeking reliable probiotics for gut health.
𝐓𝐚𝐢𝐥𝐨𝐫𝐞𝐝 𝐟𝐨𝐫 𝐌𝐞𝐧 𝐚𝐧𝐝 𝐖𝐨𝐦𝐞𝐧’𝐬 𝐍𝐞𝐞𝐝𝐬: Carefully made with a selection of key strains, our probiotics for women and men cater to everyday lifestyle demands. Whether you are looking for womens probiotics or a complete gut solution, our daily capsules make an excellent addition to your wellness routine. Discover the benefits of probiotics for men and women alike..
𝐌𝐮𝐥𝐭𝐢-𝐒𝐭𝐫𝐚𝐢𝐧 𝐏𝐨𝐰𝐞𝐫 𝐰𝐢𝐭𝐡 𝐎𝐫𝐠𝐚𝐧𝐢𝐜 𝐂𝐚𝐫𝐞:Packed with five potent strains such as lactobacillus and bifidobacterium, our product offers a complete solution for internal harmony. Combining the richness of organic probiotics with the advanced properties of acidophilus probiotic, we aim to support your gut flora naturally, without artificial additives.
𝐂𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐒𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧: Your trust matters to us. Our bio cultures complex is proudly made in the UK following the highest GMP standards. We are committed to delivering exceptional gut health supplements and ensuring every customer enjoys a positive experience with our trusted probiotics women and men can rely on.

NutriZing Bio Cultures Complex Probiotics for Gut Health - High Strength 30 Billion CFU with 16 Bacterial Cultures - Vegan Gut Health Supplements - Probiotics for Men & Women - Made in UK

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Why We Love It

Advanced probiotic formulation with 16 strains.
Promises better bowel performance.
Trusted Brand since 2014.

Main Highlights

WITH 16 LIVE STRAINS - Our special pro biotics formulation has 16 effective strains designed to closely replicate the delicate flora of the digestive system. Contains the extensively researched Lactobacillus and Bifidobacterium strains, scientifically proven to reach the gut alive
30 BILLION CFU. SHELF STABLE: NutriZing guarantees 30 billion live bacterial cultures per serving, designed to last until the end of shelf life
BETTER BOWEL PERFORMANCE: Your gut microbiome is the blueprint for your well-being, and our VEGAN TIME RELEASE CAPSULES disintegrate at exactly the right time to maximise absorption in the intestine and feed healthy microflora to your body
A HEALTHY RESET: For some of us, years of unhealthy habits or the persistent stresses of modern-day life have thrown off the delicate balance of bacteria in the gut microbiome. Our capsules are perfect for a healthy reset - there are no chemicals or harmful additives, and are made in the UK as per GMP standards. Our probiotics are also free from wheat, gluten, soy and dairy
TRUSTED BRAND SINCE 2014: NutriZing is a popular British brand since its inception in 2014. Join the thousands of customers around the world who have benefited from using these probiotics!

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We scanned 1180 products

We reviewed these offers relevant to the Bacterial Cultures 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 WeightWorld, Nu U Nutrition, Nutravita, Bio-Kult, OptiBac, Incite Nutrition, NEW LEAF PRODUCTS, A to Z Pure Health, NutriZing, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Bacterial Cultures in the market, we considered we took a deep dive into 5901 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 Bio Cultures Complex Probiotics & Prebiotics - 60 Billion CFU - 2 Months Supply - 120 Capsules - 20 Live Bio Cultures - Lactobacillus & Bifidobacterium Strains - Vegan Probiotic Complex Capsules. We love many things about this product by WeightWorld. What sets it apart from the competition is Balances gut flora effectively, Enhances digestive health naturally, Ensures optimal bacterial absorption.
The best value product for most shoppers and where user satisfaction is continuously the highest is Nu U Nutrition - Bio-Cultures Complex - 180 High Strength Capsules - Lactobacillus Acidophilus, Rhamnosus & Bifidobacterium - 6 Month Supply - Gentle Vegetarian Multi-Strain Formula for Men & Women by Nu U Nutrition based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Bacterial Cultures and the best cost-to-value ratio is NutriZing Bio Cultures Complex Probiotics for Gut Health - High Strength 30 Billion CFU with 16 Bacterial Cultures - Vegan Gut Health Supplements - Probiotics for Men & Women - Made in UKat NutriZing with a 50% discount.
Our list of the best Bacterial Cultures 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 Bacterial Cultures in The UK

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We scanned 1180 products

We concluded that: