Adult Gummies

30 gummies |1 month's supply

Louise Mason BA (Hons) Dip CNM Nutritional Therapist, Dip CNM Naturopath, mANP
Great, all-in-one supplement containing a high quality strain and added zinc and calcium to support immune and gut health. Also no added sugars.
Louise Mason
Louise Mason BA (Hons) Dip CNM Nutritional Therapist, Dip CNM Naturopath, mANP

Who is it for?

Delicious mixed berry gummies for adults containing the scientifically proven friendly bacteria Bacillus coagulans Unique IS-2 and FOS fibres. Combined with your daily recommended intake of Vitamin D, Zinc and Calcium to support gut and immune health in one daily supplement.

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FREE UK delivery on orders over £40.

UK express - Monday to Friday delivery.

See our Delivery & Returns for more information.

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  • Vegan


  • Gluten free

    Gluten free

  • No added sugar

    No added sugar

  • Artificial colour free

    Artificial colour free

Key benefits

Friendly bacteria gummies for adults

  • Supports gut^ and immune* health in one easy supplement Includes your daily intake of Vitamin D, Zinc and Calcium plus friendly bacteria and FOS fibres
  • Highly researched friendly bacteria for gut health Contains the extensively researched Bacillus coagulans Unique IS-2 strain, scientifically studied in hundreds of people in gold standard trials
  • Mouthwateringly delicious gut gummies These gut health gummies are arguably the tastiest way to take your daily friendly bacteria supplement, thanks to a delicous mix of strawberries, raspberries and blackberries
  • Made only with natural ingredients The sweetness comes from the fruit (55.5% fruit juice/puree) - absolutely no artificial sweeteners, preservatives or colourings
  • Vegan friendly bacteria gummies These gummies are a great alternative to dairy based yoghurts that are packed with sugar. They are made without gelatine which makes them vegan
  • 100% plastic free packaging Comes in a fully recyclable FSC-certified carton and home compostable pouch - perfect for helping the environment as much as your gut
  • From the UK's most recommended brand Optibac is the brand of friendly bacteria supplements most recommended by UK consumers^

*Vitamin D & Zinc contribute to the normal function of the immune system
^Calcium contributes to the normal function of digestive enzymes

Optibac Probiotics strains

  • Bacillus coagulans Unique IS-2

Added nutrients

  • Vitamin D
  • Zinc
  • Calcium
  • FOS fibres
See full ingredients list

Complements gut bacteria


General digestive

Help & advice

Our team of qualified experts are available for free personalised supplement advice. If you're not sure where to start or your needs have recently changed, please get in touch.

Camilla Gray
Camilla Gray DipCNM Nutritional Therapist and Nutrition Team Leader

Why choose us?

We are the UK's most trusted & recommended brand of friendly bacteria supplements as determined in an independent survey of 1000 people^

We use the most researched strains of friendly bacteria in the world with each supplement designed to target individual needs and life stages.

  • How to use

  • Ingredients

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  • Delivery & returns

  • How to use

    Recommended use

    • 1 gummy a day, with or without food.
    • Do not exceed daily recommended dosage.
    • Can be used on an ongoing basis.

    Storage instructions

    Store in a cool, dry place below 25°C and out of direct sunlight.


    Live cultures are not recommended for those with serious medical conditions e.g. those who are severely immunosuppressed, have pancreatitis, are in the ICU, have melaena, have a central venous catheter, infants with short bowel syndrome, or patients with open wounds following major surgery; unless under a doctor's care. Keep out of reach of children.

    Gut health supplements are not intended to prevent, treat or diagnose any medical conditions. If taking probiotic supplements for gut health, note that these should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. If you are taking any medications or have a serious medical condition, consult a doctor before use. Optibac supplements will not cause dependency and may be used on an ongoing basis.

  • Ingredients

    Ingredients per gummy

    Fruit juice/puree (apple juice/puree concentrate, strawberry puree, raspberry puree, blackberry puree), fructooligosaccharide fibres (FOS 0.85g), tricalcium phosphate (calcium 120mg, 15% NRV*), lemon juice concentrate, zinc gluconate (zinc 8mg, 80% NRV*), black carrot juice concentrate, gelling agent: pectin, citrus fibre, live cultures: Bacillus coagulans Unique IS-2, natural flavouring, Vitamin D3 (10µg/400IU, 200% NRV*)

    Each gummy contains 5 billion good bacteria. Guaranteed until the date of expiry.

    *Nutrient Reference Value


    • Vegan
    • Vegetarian
    • No dairy
    • Gluten free
    • Soy free
    • Yeast free
    • No added sugars
    • GMO free
    • Free from artificial flavourings, colourings and preservatives
    • No chemicals or parabens
    Format Gummy
    No. Live Cultures 5 billion
    Added Ingredients Vitamin D
    FOS fibres
    Recommended Use 1 gummy daily
    Age Range Adult
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  • Delivery & returns

    UK Delivery

    Free UK Delivery over £40 
    Free standard UK delivery is automatically applied at the checkout when you spend £40.

    Standard 2nd class: £2.50
    Allow 4-10 working days (Monday - Friday) for delivery 

    1st class: £3.95
    Allow 1-3 working days (Monday - Friday) for delivery 

    Express Next Day (Tracked): £6.95
    Order before 2pm for 1-2 working day delivery to most of the UK*. Orders placed on Friday will be delivered on Monday (next working day). Requires signature.

    Shipments will be dispatched via DHL or FedEx, the service will be selected depending on the delivery location.

    *Express delivery may exclude the Channel Islands, Herm Island, Isle of Man, Isle of Wight, Northern Irish postcodes BT18 & upwards, Sark, Scottish borders and offshore and a small number of remote mainland destinations as determined by our delivery courier. 

    Good to know

    • We'll send you an email to confirm once your parcel has been dispatched.
    • For delivery queries, please call us on +44 (0)1264 339 770 or email
    • Orders placed before 2pm are typically dispatched on the same working day.
    • Delivery within the UK and Northern Ireland has a fixed price, regardless of the size and weight of your order. 
    • Delivery times are estimates and not guaranteed unless otherwise stated.

    International Delivery

    We offer an excellent worldwide delivery service. For more details, please take a look at our delivery FAQ.


    If you have changed your mind, you can return goods, at your cost, unopened within 14 days for refund or exchange, this does not affect your statutory rights.

Customer Questions

All questions answered by probiotic experts Dr Kate Stephens PhD (Food and Microbial Sciences) BSc(Hons) Medical Biology and Kerry Beeson BSc (Nut. Med.) Nutritional Therapist

To create a gummy supplement, heat is needed. Most friendly bacteria strains would be destroyed if heat is applied. Bacillus coagulans Unique IS-2, the friendly bacteria strain chosen for these gut health gummies is heat-resistant and therefore ideal to be developed into a delicious gummy (1,2). Our other supplements contains strains that aren't heat-resistant and therefore are found in capsules or powder format.

Read references

Optibac Adult Gummies are completely natural friendly bacteria supplements with no added sugar. At less than 8 calories each, you can easily make room for them in any calorie-controlled diet, safe in the knowledge that every gut health gummy is bursting with goodness!

It’s not possible to overdose on friendly bacteria supplements (your gut naturally contains trillions of friendly bacteria) but if taking multivitamin gut gummies like Optibac Adult Gummies with added Vitamin D, Calcium, and Zinc, it’s best to stick to the recommended intake of one gummy daily, especially if you take several different vitamin and mineral supplements each day.

Yes, if you choose a highly researched gut health supplement like Optibac Adult Gummies, you can take it whenever it suits you. These chewable friendly bacteria gummies don’t require refrigeration and can be taken with or without food.

Ideally, choose friendly bacteria gummies with natural ingredients and no added sugar, containing highly researched strains (1,2), such as Bacillus coagulans Unique IS-2. You can find this strain in delicious Optibac Adult Gummies, which are also vegan, dairy-free, and gluten-free, so suitable for everyone.

Read references

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