Bifidobacterium lactis
A versatile probiotic strain known for supporting digestive and immune health.
Also known as: B. lactis
Overview
Bifidobacterium lactis is a multi-purpose probiotic bacterium that naturally resides in the gut. It is known for its ability to improve digestion, enhance immune function, and fight the growth of harmful bacteria. It is frequently added to dairy products and infant formula.
Key Benefits
Enhances Immune Function
Studies show that B. lactis can modulate the immune system, potentially reducing the risk and duration of respiratory infections.
Improves Digestive Regularity
B. lactis has been shown to help relieve constipation and improve overall bowel function in adults.
Aids Nutrient Absorption
This probiotic strain can help produce enzymes that break down food components, aiding in the absorption of vitamins and minerals.
Dosage & How to Take
Doses for B. lactis range from 1 billion to over 20 billion CFUs per day, depending on the health goal. It is often combined with other probiotic strains.
| Purpose | Dose | Notes |
|---|---|---|
| General Wellness | 1-5 billion CFU/day | For daily maintenance of gut and immune health. |
| Constipation Relief | 10-20 billion CFU/day | Higher doses may be more effective for improving regularity. |
| Immune Support | 5-10 billion CFU/day | Often taken during cold and flu season. |
Best Time to Take
Taking B. lactis with a meal can improve its survival and efficacy.
With or Without Food
Recommended to be taken with food to buffer stomach acid.
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| Capsules | High | Targeted dosing and stability | Often combined with other probiotic strains. |
| Powders | Medium | Infants and children, or for mixing | Should be kept refrigerated. |
| Fortified Foods | Varies | Dietary intake | Commonly found in yogurt, cheese, and infant formula. |
Side Effects & Safety
Common
- Temporary gas and bloating when first starting
Rare
- In rare cases, can cause infection in severely immunocompromised people.
Contraindications
- Use with caution in premature infants and individuals with compromised immune systems.
Interactions
Can reduce the effectiveness of the probiotic. Take at least 2-3 hours apart from antibiotic doses.
May increase the risk of infection. Consult a healthcare provider before use.
Scientific Research
Bifidobacterium animalis subsp. lactis HN019 on gut health outcomes: a randomised, double-blind, placebo-controlled trial
Supplementation with B. lactis HN019 was shown to reduce intestinal transit time and improve bowel movement frequency.
Effect of Bifidobacterium animalis subsp. lactis BB-12 on human fecal microbiota
Consumption of B. lactis BB-12 led to a significant increase in fecal Bifidobacterium levels, indicating successful colonization.
Food Sources
Products With Bifidobacterium lactis
2 products in our database contain this ingredient
Frequently Asked Questions
Medical Disclaimer
This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.