Demystifying pre-, post- and live bacteria supplements: our top picks

These capsules contain 10 billion live bacteria from eight carefully selected and diverse strains, plus the well researched friendly yeast Saccharomyces boulardii.⁵ Each capsule also contains natural fibres from soy and chicory inulin to complement the action of the live strains. The strains include Lactobacillus rhamnosus, Lactobacillus acidophilus and Bifidobacterium longum.

True Biome delivers microbiome love by bringing together friendly fibres and postbiotics in one expertly balanced blend. At its heart is PHGG fibre – a gentle soluble blend that feeds microbes and supports gut microbiome diversity.⁶ Plus L-glutamine, which is an amino acid and key building block of the gut lining⁷ and added postbiotics (natural compounds produced by microbes).⁸ The result is a formula designed to feed and support your gut microbiome every single day.

This advanced biotic complex is designed to support your gut microbiome from within. Each capsule delivers 50 billion CFU from 10 live bacterial strains and is enriched with inulin, vitamin C and L-glutamine. Vitamin C contributes to normal immune function and to the protection of cells from oxidative stress.⁹ Vegan-friendly and thoughtfully formulated, each capsule is a simple daily step towards a balanced microbiome.

Taking antibiotics may be essential at times and if you've been prescribed antibiotics, it's important to finish the course and follow your doctor's advice. But they don’t only target harmful bacteria – they can affect other ones too.¹⁰ That’s why these capsules are specially formulated to complement your natural gut microbiome diversity during and after a course of antibiotic treatment. This supplement contains three well-studied strains: Lactobacillus rhamnosus Rosell-11, Lactobacillus acidophilus Rosell-52 and Bifidobacterium lactis Lafti B94. Collectively researched in over 25 trials specific to antibiotic use, these strains have been shown to survive the journey to the gut – even when taken at the same time as antibiotics. Just take one easy-to-swallow capsule daily throughout your antibiotic course (and for a few days afterwards).

This supplement is specially formulated to support your gut microbiome and diversity. Each tablet contains essential Lactobacillus strains and has been thoughtfully made to suit modern lifestyles. They’re vegan and gluten-free – ideal for those with dietary preferences or restrictions who don’t want to compromise on quality. Simple and easy to take, it’s a daily step towards gut love.

Zooki Biotics+ Everyday is a once-daily supplement formulated to form part of your regular routine. Each capsule provides 20 billion live cultures from four carefully selected strains: Lactobacillus acidophilus L59, Bifidobacterium bifidum BB67, Lactobacillus rhamnosus LR663 and Bifidobacterium animalis subsp. lactis BL03 – together, they help support your gut microbiome.

This expertly formulated supplement is designed to support women through it all, from busy mornings to long evenings and every life stage in between. Bringing together scientific strains with vitamins D, C, plus biotin, these capsules are crafted to support energy, immunity, skin and the microbiome. Not only that, but it also contains vitamin B6, which contributes to reduced tiredness and fatigue¹² helping your wellness when life feels full.

Supporting your baby’s gut microbiome from the very beginning can feel like a big responsibility – Bio-Kult Infantis is designed to make things simple for you. This powdered friendly bacteria supplement for infants and young children delivers seven strains of live bacteria, combined with fructo-oligosaccharides (FOS) to complement microbiome diversity plus added vitamin C.

SMART STRAINS® for Women’s Health is a targeted oral supplement designed to support the vaginal microbiome. Each capsule contains 5 billion live bacteria, including Lactobacillus acidophilus La-14 and Lactobacillus rhamnosus HN001, alongside 50mg of lactoferrin. This formulation replicates the clinically proven doses shown to colonise the vagina.

Pregnancy is a time when both you and your baby need extra love. This convenient two-part supplement combines essential vitamins and minerals, omega‑3 fatty acids and friendly bacteria to support you throughout pregnancy and breastfeeding. Each of the 30 capsules provides 10 billion ProVen Lab4B biotics, alongside 20 carefully selected vitamins and minerals tailored for pregnancy. The 30 softgels supply 200mg of DHA – an omega‑3 fatty acid that contributes to the normal brain development of your baby.¹³ Together, they help both mum and child with the nutrient intake they need during this important stage.