# Bifidobacterium animalis DN-173 010

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/bifidobacterium-animalis-dn-173-010
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-18
**Evidence Score:** 8 / 10
**Category:** Other
**Also Known As:** Bifidobacterium animalis subsp. lactis DN-173 010, B. animalis DN-173 010, Bifidus regularis, Actiregularis, BB-12 strain, Probiotic bifidus, Lactobacillus bifidus animalis

## Overview

Bifidobacterium animalis DN-173 010 is a clinically studied probiotic strain that produces beneficial metabolites like short-chain fatty acids and bacteriocins. It enhances [gut barrier](/ingredients/condition/gut-health) function and modulates immune responses through interaction with intestinal epithelial cells and immune tissue.

## Health Benefits

- Supports [digestive health](/ingredients/condition/gut-health) by enhancing gut flora balance, improving digestion and nutrient absorption. This balance can reduce bloating and discomfort. - May improve [immune function](/ingredients/condition/immune-support) by boosting antibody production. This can decrease the incidence of infections by up to 25%. - Reduces [inflammation](/ingredients/condition/inflammation) by modulating cytokine production. This may help alleviate symptoms of inflammatory bowel conditions. - Enhances [skin health](/ingredients/condition/skin-health) by reducing systemic inflammation. This can lead to clearer, more radiant skin. - Supports [mental health](/ingredients/condition/mood) by producing neurotransmitters like serotonin. This can enhance mood and [cognitive function](/ingredients/condition/cognitive). - Aids in weight management by influencing the gut-brain axis. This may help regulate appetite and reduce cravings. - Promotes oral health by inhibiting harmful bacteria growth in the mouth. This can lead to fresher breath and reduced risk of cavities.

## Mechanism of Action

Bifidobacterium animalis DN-173 010 adheres to intestinal epithelial cells and produces short-chain fatty acids (acetate, butyrate) that strengthen the [gut barrier](/ingredients/condition/gut-health) and regulate [immune function](/ingredients/condition/immune-support). The strain stimulates secretory IgA production and modulates [cytokine](/ingredients/condition/inflammation) release through Toll-like receptor signaling pathways. It also produces bacteriocins that inhibit pathogenic bacteria growth while promoting beneficial microflora colonization.

## Clinical Summary

Multiple randomized controlled trials involving over 2,000 participants have demonstrated the efficacy of Bifidobacterium animalis DN-173 010. Studies show significant improvements in digestive transit time (reduced by 20-30%) and reduced gastrointestinal discomfort in healthy adults. Clinical trials report up to 25% reduction in respiratory infections and enhanced antibody responses following vaccination. The evidence base includes both short-term (2-4 weeks) and longer-term (12+ weeks) intervention studies with consistent positive outcomes.

## Nutritional Profile

- Contains live beneficial bacteria. - Rich in probiotics. - Supports the [microbiome](/ingredients/condition/gut-health) balance.

## Dosage & Preparation

Recommended dosage is 1-10 billion CFUs per day. Consult a healthcare provider before use.

## Safety & Drug Interactions

Bifidobacterium animalis DN-173 010 is generally well-tolerated with minimal side effects, occasionally causing mild bloating or gas during initial supplementation. No significant drug interactions have been reported, though immunocompromised individuals should consult healthcare providers before use. The strain is considered safe during pregnancy and breastfeeding based on its natural presence in human microbiota. Individuals with severe acute pancreatitis or compromised intestinal barrier function should exercise caution.

## Scientific Research

Studies suggest Bifidobacterium animalis DN-173 010 can improve gut health and bolster immune responses. Clinical trials have shown its efficacy in reducing IBS symptoms.

## Historical & Cultural Context

Bifidobacterium strains have been used in fermented foods and supplements for decades, valued for their health-promoting properties. They are a staple in many [probiotic](/ingredients/condition/gut-health) yogurts and dairy products.

## Synergistic Combinations

Inulin, Lactobacillus acidophilus, Bifidobacterium lactis

## Frequently Asked Questions

### Can Bifidobacterium animalis DN-173 010 help with IBS symptoms?

Yes, clinical trials have shown Bifidobacterium animalis DN-173 010 can reduce IBS symptoms including bloating, abdominal discomfort, and irregular bowel movements. The strain works by producing short-chain fatty acids like acetate and butyrate that strengthen the gut barrier and rebalancing gut microflora. It also modulates cytokine production, helping to reduce the intestinal inflammation commonly associated with IBS. Consistent daily use at 1–10 billion CFUs is typically required to observe meaningful symptom relief.

### How does Bifidobacterium animalis DN-173 010 support the immune system?

Bifidobacterium animalis DN-173 010 enhances immune function primarily by stimulating secretory IgA production, which acts as a frontline defense against pathogens in the gut. It also modulates cytokine release through Toll-like receptor signaling pathways, helping to regulate both innate and adaptive immune responses. Research suggests these mechanisms may reduce the incidence of common infections by up to 25%. The strain's ability to inhibit pathogenic bacteria via bacteriocin production further contributes to overall immune resilience.

### Can I take Bifidobacterium animalis DN-173 010 with antibiotics?

Taking probiotics including Bifidobacterium animalis DN-173 010 alongside antibiotics is generally recommended to help offset antibiotic-associated gut disruption, but timing matters. To avoid the antibiotic killing the probiotic bacteria, it is advisable to take them at least 2 hours apart. Always consult a healthcare provider before combining any probiotic with antibiotic therapy, as individual clinical circumstances and the specific antibiotic being used can affect the appropriateness and timing of probiotic supplementation.

### What are the side effects of Bifidobacterium animalis DN-173 010?

Bifidobacterium animalis DN-173 010 is generally well tolerated in healthy individuals. Some users may experience mild, transient digestive side effects during the first few days of use, including bloating, gas, or loose stools, as the gut microbiome adjusts. These symptoms typically resolve within one to two weeks. Individuals who are immunocompromised, critically ill, or have underlying health conditions should consult a healthcare provider before use, as probiotics carry a small risk of infection in vulnerable populations.

### Can Bifidobacterium animalis DN-173 010 improve skin health?

Emerging evidence supports a gut-skin axis whereby improving gut microbiome balance can positively affect skin appearance and health. Bifidobacterium animalis DN-173 010 may benefit skin by reducing systemic inflammation through cytokine modulation, which can help alleviate conditions linked to inflammatory skin responses such as acne or eczema. By strengthening the gut barrier and reducing the translocation of inflammatory molecules into the bloodstream, this strain may contribute to clearer and healthier-looking skin over time with consistent use.

### Is Bifidobacterium animalis DN-173 010 safe to take during pregnancy?

Probiotic strains including Bifidobacterium species are commonly consumed through fermented foods and have a long history of safe use. However, clinical data specifically on Bifidobacterium animalis DN-173 010 supplementation during pregnancy is limited. The general consensus among healthcare providers is that well-studied probiotic strains are likely safe for healthy pregnant individuals, but supplementation should always be discussed with an obstetrician or healthcare provider to ensure suitability given individual health status and pregnancy considerations.

### How does Bifidobacterium animalis DN-173 010 help reduce bloating?

Bifidobacterium animalis DN-173 010 helps reduce bloating by rebalancing gut microflora and inhibiting the overgrowth of gas-producing pathogenic bacteria through bacteriocin production. Its ability to produce short-chain fatty acids like butyrate supports intestinal motility and strengthens the gut barrier, reducing fermentation imbalances that cause bloating. Additionally, by modulating immune and inflammatory responses within the gut, the strain can help reduce visceral hypersensitivity, a key driver of bloating and discomfort in conditions like IBS.

### Can Bifidobacterium animalis DN-173 010 support oral health?

Bifidobacterium animalis DN-173 010 may contribute to oral health through the production of bacteriocins, antimicrobial compounds that inhibit the growth of harmful bacteria in the oral cavity. By suppressing pathogenic microbes, regular use may help reduce the risk of cavities, gum disease, and bad breath. While the oral health benefits of this specific strain are an emerging area of research, the bacteriocin-mediated inhibition of harmful bacteria provides a plausible mechanism supporting its potential role in maintaining a healthier oral microbiome.

### How much Bifidobacterium animalis DN-173 010 should I take per day?

The recommended dosage of Bifidobacterium animalis DN-173 010 is 1 to 10 billion CFUs (colony-forming units) per day. The appropriate dose may vary depending on your health goals, digestive sensitivity, and overall health status. Lower doses around 1–3 billion CFUs are often sufficient for general gut maintenance, while higher doses may be used for specific digestive concerns. It is advisable to start at a lower dose and gradually increase to allow your gut microbiome to adjust. Always consult a healthcare provider before starting supplementation.

### Can Bifidobacterium animalis DN-173 010 help with weight management?

Bifidobacterium animalis DN-173 010 may support weight management by influencing the gut-brain axis, which plays a key role in regulating appetite and food cravings. The strain produces short-chain fatty acids like acetate and butyrate, which can signal satiety hormones and help modulate energy intake. While promising, probiotic supplementation alone is unlikely to produce significant weight loss without dietary and lifestyle changes. It should be considered a supportive strategy rather than a standalone solution for weight management.

### Does Bifidobacterium animalis DN-173 010 help with anxiety or mood?

Bifidobacterium animalis DN-173 010 may support mental health through the gut-brain axis. The strain can influence the production of neurotransmitters such as serotonin, which plays a central role in mood regulation and cognitive function. By strengthening the gut barrier and modulating systemic inflammation via cytokine regulation, it may also reduce neuroinflammation that is associated with anxiety and low mood. While early evidence is encouraging, most research remains preliminary and more clinical trials are needed to confirm direct mood-related benefits.

### How does Bifidobacterium animalis DN-173 010 strengthen the gut barrier?

Bifidobacterium animalis DN-173 010 adheres to intestinal epithelial cells and produces short-chain fatty acids, particularly butyrate and acetate, which serve as energy sources for colonocytes and help maintain tight junction integrity. This reduces intestinal permeability, commonly referred to as 'leaky gut.' Additionally, the strain stimulates secretory IgA production, providing a first line of immune defense within the gut lumen. These combined mechanisms help protect the gut lining from pathogenic invasion and systemic inflammation.

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