Lactobacillus acidophilus
A beneficial probiotic for digestive health and immune support.
Also known as: L. acidophilus
Overview
Lactobacillus acidophilus is a type of 'good' bacteria naturally found in the human gut, mouth, and vagina. As a probiotic, it helps maintain a healthy balance of microorganisms, aids in digestion, and supports the immune system.
Key Benefits
Improves Digestive Health
Helps alleviate symptoms of IBS, reduces diarrhea, and promotes a healthy gut microbiome.
Supports Immune Function
Enhances the body's natural defenses against pathogens and may reduce the incidence of infections.
Promotes Vaginal Health
Helps maintain a healthy vaginal pH and can be effective in treating and preventing bacterial vaginosis.
Dosage & How to Take
Dosage can vary widely depending on the product and intended use. It's generally recommended to follow the manufacturer's instructions or consult a healthcare professional.
| Purpose | Dose | Notes |
|---|---|---|
| General Gut Health | 1-5 billion CFU/day | Can be taken daily for maintenance. |
| Antibiotic-Associated Diarrhea | 5-10 billion CFU/day | Take at least 2 hours apart from antibiotics. |
| Bacterial Vaginosis | 1-10 billion CFU/day | Oral or vaginal suppositories can be used. |
Best Time to Take
Best taken on an empty stomach, about 30 minutes before a meal, to improve survival through the digestive tract.
With or Without Food
Some products may recommend taking with food to buffer stomach acid, but generally, an empty stomach is preferred.
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| Capsules/Tablets | Medium | General use | Enteric-coated forms offer better protection from stomach acid. |
| Powder | High | Mixing into food or drinks | Can be a good option for those who have difficulty swallowing pills. |
| Vaginal Suppositories | High | Targeted treatment of vaginal issues | Delivers the probiotic directly to the site of action. |
Side Effects & Safety
Common
- Gas
- Bloating
- Upset stomach
Rare
- Allergic reactions
- Infections in immunocompromised individuals
Contraindications
- Severely immunocompromised individuals should consult a doctor before use.
Interactions
Antibiotics can kill L. acidophilus, reducing its effectiveness. Take at least 2 hours apart.
Theoretically, probiotics could cause infection in people with weakened immune systems.
Scientific Research
The Functional Roles of Lactobacillus acidophilus in Different Diseases
L. acidophilus has been shown to improve cardiovascular disease, lactose intolerance, prevent and treat cancer, regulate immunity, and improve gastrointestinal diseases.
Lactobacillus acidophilus LB: a useful pharmabiotic for the treatment of digestive disorders
L. acidophilus LB is effective and safe as an adjuvant in the treatment of acute diarrhea, chronic diarrhea, and antibiotic-associated diarrhea.
Food Sources
Products With Lactobacillus acidophilus
3 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.