Inside Neutrient Neu Biotic

The human body is a thriving ecosystem — around 30 trillion human cells alongside roughly 39 trillion microbial cells: bacteria, fungi, viruses and protozoa that together form the human microbiome. This microbiome is as unique as a fingerprint, and its balance has been linked to digestion, immune function, mood, skin health and other aspects of wellbeing.

Interest in probiotics as a live bacteria supplement for gut health has grown alongside research into specific strains of live cultures. The evidence suggests some strains may support digestive comfort, bowel regularity, immune function and aspects of mental wellbeing when used in studied doses. What is now well established is that the effects of live cultures are strain-specific and dose-dependent, and that they may be enhanced when combined with prebiotics that help feed the bacteria being introduced.

Neutrient Neu Biotic is a high-strength, multi-strain bacteria supplement delivering 30 billion CFU from 20 live bacteria strains per daily capsule, combined with the prebiotics inulin and FOS. Its enteric-coated capsule is designed to help protect the live cultures during stomach transit and support release in the intestine, where these bacteria naturally reside.

top 5 reasons to choose

Neutrient Neu Biotic

20 strains

Comprehensive microbiome coverage across Lactobacillus, Bifidobacterium, Streptococcus and Enterococcus genera, reflecting scientific interest in microbial diversity.

30 billion CFU

High-strength, clinically relevant dosing that aligns with the evidence-based thresholds used in research, including studies on digestive health and antibiotic-associated diarrhoea.

Enteric-coated delivery

An acid-resistant capsule designed to deliver the 20 strains intact past stomach acid to the intestine, where they naturally reside.

Synbiotic formula

Inulin (100mg) and FOS (50mg) prebiotics feed and sustain the strains, supporting colonisation and the production of short-chain fatty acids.

Clean & vegan

No colours, flavours, sweeteners, stimulants, lactose or fillers. Vegetarian capsule shell, suitable for daily long-term use and for children from age 12.

QUICK FACTS

Neutrient Neu Biotic at a glance

30 billion CFU per capsule

A high-strength dose of live bacteria per daily capsule, aligned with levels used in clinical research on digestive health and antibiotic-associated diarrhoea.

20 strains across 5 genera

Thirteen Lactobacillus and five Bifidobacterium strains plus Streptococcus thermophilus and Enterococcus faecium — the most studied, broadly beneficial gut bacteria.

Enteric-coated delivery

An acid-resistant capsule designed to protect the live cultures through the stomach (pH 1.5–2) and release them in the less acidic small intestine.

Inulin & FOS prebiotics

100mg inulin and 50mg FOS feed the strains so they can establish, proliferate and produce health-promoting short-chain fatty acids.

What are live cultures and prebiotics?

Live cultures, referred to in scientific literature as probiotics, are living microorganisms that may provide health benefits when consumed in adequate amounts. They occur naturally in fermented foods and in concentrated supplements. Many form part of the gut microbiome, the complex community of bacteria, yeasts and other microbes in the digestive tract, where an estimated 500 to 1,000 bacterial species reside. When beneficial populations are reduced — by antibiotics, poor diet, illness or chronic stress — opportunistic bacteria or yeasts may take hold, a disruption known as dysbiosis.

Prebiotics are non-digestible fibres that act as a food source for beneficial bacteria, helping support their growth and activity. When fermented by gut microbes they produce short-chain fatty acids such as butyrate, propionate and acetate. Among the best known are inulin and FOS, both of which Neu Biotic contains — combining live cultures with the fibres that nourish them creates a synbiotic, a fundamentally more intelligent approach than a probiotic alone.

How much do you need? Dosage and CFU

Neu Biotic – per daily capsule	Detail
Live bacteria strains	20 strains across 5 genera
Total CFU	30 billion CFU (at manufacture)
Prebiotics	Inulin (100mg) + FOS (50mg)
Adults	1 capsule daily
Children aged 12+	1 capsule daily
Capsule type	Enteric-coated (acid-resistant)
Storage	Below +21°C; refrigerate after opening

The strength of a live cultures supplement is measured in colony-forming units (CFU). There is no single agreed minimum dose for general health, but clinical research typically uses several billion CFU per day, and a 2017 review found 10 billion CFU per day was associated with benefits for antibiotic-associated diarrhoea. Neu Biotic's 30 billion CFU was selected to align with dosing levels used in clinical research.

Risk factors for microbiome imbalance

The gut microflora is generally stable, regulated by competition for space and nutrients, but several common factors can destabilise it. Antibiotics target pathogens but also affect beneficial bacteria, and a single course can alter the microbiome for months. Chronic stress alters gut pH, reduces motility and lowers secretions favourable to Lactobacilli. A modern diet high in processed foods depletes prebiotic fibre and beneficial microbes. Medications such as proton pump inhibitors and corticosteroids alter gut pH and composition. Acute GI infections and chronic illness disrupt balance, and travel exposes the gut to unfamiliar bacteria, water and diet.

Food sources: live bacteria and prebiotics

Diet is the foundation of a healthy microbiome. Some foods provide live bacteria; others provide the fibres that feed them. Variety is key — different prebiotic fibres feed different bacterial species, so a diverse plant-based diet supports a more diverse microbiome. Note that cooking can reduce the prebiotic content of some foods.

Live-bacteria food source	Notes
Yoghurt (live cultures)	One of the most widely available; choose 'live' or 'active cultures'
Kefir (fermented milk)	Often a broader range of strains than yoghurt; water kefir is dairy-free
Kimchi	Fermented Korean cabbage; may contain Lactobacillus species
Sauerkraut	Fermented cabbage; must be unpasteurised to contain live bacteria
Miso	Fermented soybean paste; also a source of enzymes and B vitamins
Tempeh	Fermented whole soybean; also a complete protein source
Natto	Fermented soybeans; rich in vitamin K2 and beneficial bacteria
Kombucha	Fermented tea; contains a variety of yeasts and bacteria
Fermented pickles (brine)	Must be salt-brined, not vinegar-pickled, for live cultures
Raw apple cider vinegar	Unfiltered and unpasteurised; contains the 'mother' culture
Certain hard cheeses	Gouda, cheddar, mozzarella and cottage cheese may contain live cultures

Prebiotic food source	Primary prebiotic compound
Jerusalem artichoke	Inulin (one of the richest dietary sources)
Chicory root	Inulin and FOS
Garlic	FOS and inulin
Onions and leeks	FOS and inulin
Asparagus	Inulin
Bananas (slightly unripe)	Resistant starch and FOS
Apples	Pectin (prebiotic fibre)
Oats	Beta-glucan
Barley	Beta-glucan and FOS
Legumes and beans	GOS and resistant starch
Sweet potato	Resistant starch
Mushrooms	Beta-glucan
Cabbage and squash	Pectin and inulin

	Neutrient Neu Biotic	Standard probiotic
20 strains across 5 genera, not one or two
30 billion CFU high-strength dose
Enteric-coated to survive stomach acid
Synbiotic: prebiotics included to feed the strains
Clean, vegan, no fillers or sweeteners

Neu Biotic Benefits

What are live cultures and prebiotics good for?

A high-quality multi-strain bacterial supplement is designed to work in harmony with the body's existing microbiome. Far more than a digestive-system resident, the gut microbiota is involved in immune function, metabolic regulation, gut-brain communication and protection against harmful microorganisms. Because effects are strain-specific and dose-dependent, the sections below describe the areas where live cultures and prebiotics have been most studied.

The many roles of live cultures and prebiotics, supported by research

Bowel health and digestive regularity

One of the most widely researched areas of live culture supplementation is digestive health. Certain strains have been linked to changes in stool transit time, digestive comfort and the frequency of diarrhoea or constipation. The area has attracted particular attention around antibiotic use: a 2002 meta-analysis found supplementation following antibiotics was associated with lower diarrhoea incidence and reduced Candida albicans overgrowth, and a 2010 study reported that L. acidophilus with L. casei was associated with lower rates of antibiotic-associated and C. difficile-associated diarrhoea.

Live cultures and IBS

IBS affects an estimated 10–20% of people worldwide, with symptoms including abdominal pain, bloating, wind, diarrhoea and constipation. People with IBS may have differences in their intestinal microbiota, prompting interest in live cultures. In a large trial in women with IBS, Bifidobacterium infantis was associated with improvements in discomfort, bloating, wind and incomplete evacuation, and L. plantarum DSM 9843 with reduced flatulence. A meta-analysis of 33 trials (4,321 participants) found certain live-culture and synbiotic formulations were associated with symptom improvements, with Lactobacillus-containing preparations particularly promising.

Mental wellbeing and the gut-brain axis

The digestive system and brain are linked through the gut-brain axis, a bidirectional network operating via neural, endocrine and immune pathways. The microbiome may influence mood and cognition by producing metabolites and interacting with signalling pathways involving serotonin, dopamine, GABA and norepinephrine. A systematic review of 34 controlled trials found certain strains were associated with improvements in depression and anxiety measures, and individual trials have reported reduced anxiety and improved mood and fatigue over periods of around a month.

Chronic fatigue (ME/CFS) and the gut microbiome

Research into the gut microbiome and chronic fatigue syndrome (ME/CFS) has grown in recent years, with some studies reporting differences in the composition and diversity of gut bacteria in affected people. The microbiome produces metabolites and neuroactive compounds that may influence immune function, inflammation, pain signalling and mood along the gut-brain axis. In one pilot study, Lactobacillus casei Shirota for two months was associated with reduced anxiety scores, though authors of systematic reviews note the overall evidence remains limited and further research is needed.

Live cultures for women's vaginal health

A healthy vaginal environment is typically dominated by Lactobacillus species, which help maintain an acidic pH and natural microbial balance. When this is disrupted, opportunistic organisms can take hold — roughly 70% of women experience a yeast infection at least once, and bacterial vaginosis affects around 30% at some point. Neu Biotic contains several Lactobacillus strains naturally found in the vaginal microbiome, including L. crispatus, L. gasseri and L. jensenii.

Inflammatory bowel disease (IBD)

IBD, which includes Crohn's disease and ulcerative colitis, is a chronic inflammatory condition thought to involve genetics, the immune system, environment and the intestinal microbiome. Because altered gut microbiota are commonly observed, researchers have investigated whether live cultures may support microbial balance alongside conventional management. Several studies of multispecies formulations in ulcerative colitis have reported encouraging findings, and a meta-analysis found certain formulations were associated with beneficial outcomes in Crohn's disease, particularly in paediatric populations.

Allergies in children

Early childhood is a critical period for the development of both the immune system and the gut microbiome. Lower levels of Bifidobacterium and Lactobacillus species have been reported in some children with allergic diseases, and infants with atopic eczema have shown lower microbial diversity. In one study of infants with cow's milk allergy, Lactobacillus GG was associated with improvements in atopic eczema and a reduction in faecal TNF-alpha, an inflammatory marker.

H. pylori eradication

Helicobacter pylori colonises the stomach and is estimated to affect around half the world's population, sometimes contributing to gastritis and peptic ulcers. Standard treatment combines antibiotics and acid-suppressing medication but can cause gastrointestinal side effects and is not always successful first time. Studies of S. boulardii, L. johnsonii, L. reuteri and Lactobacillus GG alongside eradication therapy have reported improved tolerability, with some finding reductions in bacterial load and side effects.

Live cultures and skin health

The skin hosts a diverse microbiome that helps maintain skin health through interactions with skin cells and the immune system. Researchers are exploring how beneficial bacteria may influence inflammatory pathways, oxidative stress, barrier integrity and photoageing, though findings remain strain-specific. In one laboratory study, several Lactobacillus strains — including L. paracasei, L. plantarum, L. fermentum, L. casei and L. salivarius — were associated with reduced release of the pro-inflammatory molecule IL-8 from keratinocytes, the main cells of the outer skin layer.

Why a synbiotic? Live cultures with prebiotics

A synbiotic is a supplement that combines probiotics with the prebiotics that feed them. By including both inulin (100mg) and FOS (50mg) alongside 20 live bacteria strains, Neu Biotic provides the strains with the fuel they need to establish in the gut, proliferate and produce health-promoting short-chain fatty acids. This is a fundamentally more intelligent approach than a probiotic alone.

Inulin and FOS are two of the most widely studied prebiotics. Research suggests these fibres help support the growth and activity of beneficial bacteria, including Bifidobacteria and Lactobacilli, and their fermentation contributes to the production of short-chain fatty acids that play an important role in the gut environment. Pairing the strains with the fibres that nourish them is the logic behind the whole formula.

"Neu Biotic is one of the supplements I recommend most consistently across my client base — to clients coming off antibiotics, those with bloating or irregular digestion, and anyone under prolonged stress. A multi-strain formula with prebiotics can be a useful way of supporting the gut ecosystem, because it combines a range of bacterial strains with the fibres that help support them. In my practice this fits well alongside dietary and lifestyle strategies aimed at supporting the body's existing microbiome."

Jacqueline Newson BSc (Hons) Nutritional Therapy — Nutritional Therapist

Six quick microbiome facts

There are approximately 39 trillion microbial cells in the human body, outnumbering human cells by a ratio of roughly 1.3:1. Around 50% of faecal mass is made up of bacteria.

Antibiotics are among the most widely used medications affecting the microbiome. A single course can alter its composition for months in some people, particularly reducing Lactobacilli and Bifidobacteria.

There are between 500 and 1,000 bacterial species in the human gut. The diversity of species, not just their total number, is one of the most important indicators of microbiome health.

Bifidobacteria can produce a range of vitamins in the gut, including folic acid and vitamins B1, B6, B12 and K.

Some studies suggest multi-strain probiotics may offer advantages over single-strain products in certain contexts, although the reason for this is still being investigated.

The human microbiota produces around 2 to 4 litres of gas per day as a by-product of fermentation. Changes such as excessive bloating are frequently a sign of microbiome imbalance.

What makes Neutrient Neu Biotic different?

Neu Biotic is built on the principle that a live bacteria supplement should be comprehensive, clinically relevant and protected. Every formulation decision reflects a specific scientific rationale. It contains 13 Lactobacillus and 5 Bifidobacterium strains — the two most clinically studied genera — plus Streptococcus thermophilus and Enterococcus faecium, listed in full below.

Strain	Genus	Commonly researched areas
L. acidophilus	Lactobacillus	Bowel regularity, IBS, immune function, vaginal health
L. bulgaricus	Lactobacillus	Lactose digestion, bowel health, immune support
L. casei	Lactobacillus	Antibiotic-associated diarrhoea, IBS, immune function
L. crispatus	Lactobacillus	Vaginal flora, protection against BV and yeast infection
L. gasseri	Lactobacillus	Vaginal health, metabolic health, IBS
L. paracasei	Lactobacillus	Immune function, skin health, allergies
L. plantarum	Lactobacillus	IBS, bloating, flatulence, gut barrier integrity
L. reuteri	Lactobacillus	H. pylori, infantile colic, gut health, immune modulation
L. rhamnosus	Lactobacillus	Diarrhoea prevention, allergy, vaginal health, IBS
L. jensenii	Lactobacillus	Vaginal flora composition and protection
L. fermentum	Lactobacillus	Oxidative stress, immune function, skin health
L. lactis	Lactobacillus	Gut barrier, immune modulation, bowel health
L. salivarius	Lactobacillus	Oral health, gut barrier, skin inflammation
B. bifidum	Bifidobacterium	Immune function, allergy, gut barrier, infants
B. breve	Bifidobacterium	Allergies, bowel regularity, infant gut health
B. infantis	Bifidobacterium	IBS, inflammatory bowel conditions, infant microbiome
B. lactis	Bifidobacterium	Immune function, constipation, respiratory health
B. longum	Bifidobacterium	Anxiety, IBS, constipation, immune support
Streptococcus thermophilus	Streptococcus	Lactose digestion, gut barrier, bowel health
Enterococcus faecium	Enterococcus	Bowel regularity, antibiotic-associated diarrhoea

20 strains: the multi-strain advantage

A multi-strain probiotic contains a broader variety of bacterial strains than a single-strain product. The human gut naturally contains hundreds of species, and research has linked greater microbial diversity with gut resilience. Some studies suggest multi-strain probiotics may offer benefits over single-strain products, potentially because of interactions between strains or the total dose. Neu Biotic's 20 strains across five genera reflect ongoing scientific interest in both diversity and dose.

30 billion CFU: high strength for meaningful impact

Each daily capsule provides 30 billion CFU, a level commonly regarded as a high-dose live culture supplement. Clinical studies have frequently used doses in the billions of CFU per day, though the most appropriate dose depends on the strains and intended benefit. The 30 billion CFU dose was selected to align with levels used in clinical research, including studies on digestive health and antibiotic-associated diarrhoea.

Lactobacillus and Bifidobacterium: all 20 strains

Neu Biotic contains 13 Lactobacillus and 5 Bifidobacterium strains — the two most clinically studied and broadly beneficial genera of gut bacteria — plus Streptococcus thermophilus and Enterococcus faecium. Together they span bowel regularity, IBS, immune function, vaginal health, skin health, allergy and more, as set out in the strain table above.

Enteric-coated live cultures technology

Stomach acid (pH 1.5–2) can inactivate probiotic bacteria before they reach the intestine, so the delivery system can be just as important as the strains and dose. Neu Biotic's enteric-coated capsule is designed to resist dissolution in the stomach and release its contents in the less acidic small intestine, helping deliver more of the original live culture dose to where the bacteria reside.

Live cultures with prebiotics: inulin and FOS

Neu Biotic combines live cultures with prebiotic fibres in a synbiotic formula. It includes inulin and FOS, two of the most widely studied prebiotics, which research suggests can help support the growth and activity of beneficial bacteria including Bifidobacteria and Lactobacilli. Their fermentation also contributes to the production of short-chain fatty acids that play an important role in the gut environment.

Test parameter	Specification	COA result
Total plate count	< 10,000 CFU/g	Complies
Total mould & yeast	< 100 CFU/g	Complies
Escherichia coli	Absent per gram	Complies
Salmonella spp.	Absent per 10g	Complies
Staphylococcus aureus	Absent per gram	Complies
Pseudomonas aeruginosa	Absent per gram	Complies
Listeria monocytogenes	Negative per 25g	Complies
Heavy metals (total)	NMT 5 ppm	Complies
Lead	< 3 ppm	Complies
Mercury	< 0.1 ppm	Complies
Moisture (probiotic blend)	NMT 5.00%	3.36%
Inulin/fructans content	Min. 90.0%	90.83%

Who is Neutrient Neu Biotic for?

Neu Biotic is designed for adults and children aged 12 and over who want to include a live cultures supplement in their daily routine, or in response to factors that can affect gut flora. It may be particularly suitable for:

People looking to support their gut microbiome after antibiotic use, one of the most widely studied applications of probiotics

Those seeking additional support for digestive comfort and regularity

People experiencing periods of stress or lifestyle change, since diet, travel, sleep and stress all influence the microbiome

Those interested in the gut-brain connection and its evolving links to mental and emotional wellbeing

People interested in the gut-skin axis and the relationship between gut and skin health

Travellers, for whom changes in diet, routine and environment can shift the microbiome

Older adults, in whom the composition and diversity of the microbiome can change with age

Those seeking a clean, vegan-friendly supplement with no added colours, flavours, sweeteners or stimulants

How to take Neutrient Neu Biotic

The recommended serving is 1 capsule daily, for both adults and children aged 12 and over, providing 30 billion CFU and 150mg of prebiotic fibre. The enteric-coated capsule is designed to be taken whole. Store below +21°C and refrigerate after opening to help preserve the live cultures.

Any time of day

Neu Biotic can be taken whenever suits your routine. The enteric coating protects the cultures through the stomach regardless of timing

Store cool

Keep below +21°C and refrigerate after opening. Cool storage helps preserve the viability of the live cultures over the life of the bottle

Antibiotics, stress or travel

Many people choose to take a live cultures supplement after a course of antibiotics, during stressful periods, or when travelling, when the microbiome is most likely to be disrupted

Alongside a varied diet

A supplement works best as part of a diverse, fibre-rich diet that feeds a wide range of beneficial bacteria. It complements, rather than replaces, fermented and prebiotic foods

How safe are live cultures?

Probiotics have an excellent safety record, with hundreds of randomised controlled trials demonstrating their safety across a wide range of conditions and populations. In otherwise healthy individuals, serious adverse effects directly attributable to probiotic supplementation have been rare.

The WHO and FAO have noted that probiotics may theoretically be associated with side effects in vulnerable populations, but in practice infections linked to probiotic use are rare and reported cases have generally involved patients with serious underlying illness.

Probiotics should be used with caution in immunocompromised individuals, those with serious underlying illness, or those with central venous catheters. For healthy adults and children aged 12 and above, Neu Biotic is considered safe for daily, long-term use.

Every batch is manufactured to EU GMP standards and independently tested for microbiological safety, heavy metals, moisture and potency before release, with the enteric-coated capsule verified for acid resistance.

Disclaimer

Not recommended for children under 12 without medical advice. If you are pregnant, breastfeeding, immunocompromised, have a serious underlying health condition or are taking medication, consult a healthcare professional before use. Food supplements are not a substitute for a varied and balanced diet and a healthy lifestyle.

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