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For those on Antibiotics
Highly researched live cultures supplement, developed especially to take alongside antibiotics.
Free sample each month
Pause or cancel anytime
365 day free returns
In stock. Next day delivery available.
Buy now, pay later from £2.00/mo with
Free UK shipping over £50, free returns.
Key Benefits:
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Improves gut health
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Increases immune cell activity
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A more natural option
Optibac's For Those on Antibiotics contains three friendly bacteria strains which have been studied in clinical trials on friendly bacteria and antibiotics. Shown to survive stomach acidity and reach the gut alive, all three strains have been shown to complement the natural gut bacteria. Each easy-to-swallow capsule contains 4.5 billion live bacterial cultures; take on the go with no need for refrigeration.
Here at healf we do the work for you, every product goes through a 3 step curation process of Discovery, Expert Validation, and Community Testing. So you know you are only getting the best.
Optibac specialises in strain-specific probiotics, each formula meticulously crafted with clinically backed, targeted bacterial strains. Their products address a range of health concerns, from gut permeability and immune modulation to hormone regulation and mental wellbeing via the gut-brain axis. Unlike broad-spectrum blends, Optibac focuses on precise combinations, validated by research and stability-tested for effectiveness through digestion. This approach ensures that every supplement offers deep, scientifically rigorous care for your microbiome, supporting optimal health from the inside out.
With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.
Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.
Stabiliser: potato starch; vegetarian capsule: hydroxypropyl methylcellulose; Live cultures: Lactobacillus rhamnosus Rosell-11, Bifidobacterium lactis Lafti B94, Lactobacillus acidophilus/helveticus Rosell-52; anti-caking agent: vegetable magnesium stearate; antioxidant: ascorbic acid
Shipping
At Healf, we prioritize safe and fast delivery for all our customers. Our carefully selected couriers are Royal Mail and DPD.
UK standard delivery
Enjoy free standard delivery on orders above £50, this option usually requires 2-3 working days. If your order is under £50, this delivery option is available for £3.99.
Next working day
For when you need our products urgently, we offer next working day shipping for £5.99. For orders placed before 12.00, we will ship it the same day to ensure you receive your order the next working day.
International
International deliveries can take 7 working days, and up to 4 weeks. The cost is £22.99 for orders below £50, £49.95 for orders above.
Returns
If for any reason you are not satisfied with your order, we provide free 365-day UK returns for all our customers. To initiate your return, simply contact us at team@healf.com, and we'll send you a return slip and help arrange a collection. The item you return must be sent in the same condition as received and inside the original packaging. Once received, we will notify you via email.
For international returns, we unfortunately do not cover the cost. However, we work with an array of carriers and can offer self-posting returns for customers shopping from outside the UK.
Take 1 capsule daily with food, preferably with breakfast, every day during your antibiotic course and for a few days afterwards or until the pack has been completed.
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Frequently asked questions
Every product undergoes our Healf Curation Process. With it, you can shop confidently knowing that every item has been tried and tested before it reaches you. Our Healf Curation Process includes three key steps: Brand Discovery, Expert Validation, and Community Testing. Through these, we assess quality, ingredients, effectiveness, and more, ensuring that every product empowers your wellbeing.
The Healf Journal offers detailed insights into different aspects of wellbeing, as well as guidance, research, recipes, and more to help you invest in your personal wellbeing journey. You can also subscribe to our weekly newsletters for the latest updates at Healf and in the wellbeing industry. Subscribe via the sign-up block at the bottom of this page.
We love people who check ingredients as carefully as we do, so you'll find detailed information about the ingredients used on every product page (where applicable). If you see something you'd like to flag with us or have additional questions, please don't hesitate to get in touch—we'd love to hear from you.
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Healf Curation
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Every product undergoes our rigorous Healf Curation Process, ensuring you are always getting the best when it comes to your wellbeing.
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The Discovery
Expert Validation
Community Testing