ProveIt Supplements

Independent, evidence-based supplement analysis.

✓ Not Sponsored

✓ No Paid Reviews

✓ Science-Based

Company

  • About Us
  • Our Methodology
  • Contact
  • Blog
  • Authors

Legal

  • Privacy Policy
  • Terms of Service
  • Medical Disclaimer
  • Affiliate Disclosure

Resources

  • All Categories
  • Ingredient Database
  • Browse Supplements
  • FAQ

© 2025 ProveIt Supplements. All rights reserved.

Medical Disclaimer: The information provided is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen.

Prove It
Browse SupplementsBlogAuthorsAboutMethodologyFAQ
Get Your Personalized Supplement StackSupplement Stack Quiz
Menu
HomeBrowse SupplementsBlogAuthorsAboutMethodologyFAQ
Back

Lactobacillus curvatus

Also known as: Lactobacillus curvatus, L. curvatus, Latilactobacillus curvatus

Overview

Lactobacillus curvatus is a bacterium naturally found in fermented foods and the human gut. It is classified as a lactic acid bacteria and used as a probiotic due to its potential health benefits. Emerging research suggests it may play a role in metabolic health, obesity management, and hair health. Known for its ability to modulate gut microbiota and improve lipid metabolism, L. curvatus is available in various forms, including capsules, tablets, and as part of fermented foods. While research is promising, more large-scale clinical trials are needed for a comprehensive understanding of its effects. The quality of available evidence is considered moderate, with some clinical trials indicating statistically significant improvements in certain health outcomes.

Benefits

Studies suggest that *L. curvatus* may help in reducing plasma triglyceride levels and improving weight loss in individuals with overweight. A study involving *Lactobacillus curvatus* HY7601 and *Lactobacillus plantarum* KY1032 found these probiotics improved lipid metabolism and weight loss in individuals with overweight. There is also evidence supporting its role in improving hair health by enhancing hair luster and elasticity. A randomized, double-blind, placebo-controlled trial evaluating *Latilactobacillus curvatus* LB-P9 found improvements in hair luster and elasticity, suggesting potential benefits for hair health. It also has potential anti-adipogenic effects and modulation of the gut microbiome. May be beneficial for individuals with obesity or those seeking to improve hair health.

How it works

*Lactobacillus curvatus* modulates gut microbiota, which can influence lipid metabolism and potentially other physiological processes. It primarily interacts with the gastrointestinal system but may have systemic effects through modulation of the gut-brain axis and metabolic pathways. While specific molecular targets are not well-documented, it may involve influencing gene expression related to growth factors in hair health. As a probiotic, it is expected to colonize the gut rather than being absorbed systemically.

Side effects

Overall, *Lactobacillus curvatus* is generally recognized as safe (GRAS) by the FDA for certain strains. Common side effects typically include mild gastrointestinal symptoms such as bloating or gas. Uncommon side effects are not well-documented but may include allergic reactions in rare cases. Serious adverse effects are rare and not commonly reported. No significant drug interactions have been documented, but caution is advised when taken with immunosuppressive drugs. It is generally not recommended for individuals with severe immunocompromised conditions. Pregnant or breastfeeding women should consult healthcare providers before use.

Dosage

Specific dosages vary by product and study, often in the range of billions of CFU per serving. The minimum effective dose is not well-established, but it is typically part of a probiotic blend. The maximum safe dose has not been established, but high doses are generally well-tolerated. It is best taken with food to enhance survival through the stomach. *Lactobacillus curvatus* is available in capsules, tablets, or as part of fermented foods. Survival through the stomach and colonization in the gut are key factors for its effectiveness. No required cofactors have been documented, but a healthy diet may enhance benefits.

FAQs

How do I choose the right strain and dosage for specific health benefits?

Consult with a healthcare provider to determine the most appropriate strain and dosage based on your individual health needs and the specific benefits you are seeking.

Is Lactobacillus curvatus safe to use?

It is generally safe, but consult a healthcare provider if you are immunocompromised or have underlying health conditions.

When is the best time to take Lactobacillus curvatus?

It is best taken with meals to enhance survival through the stomach and promote colonization in the gut.

What results can I expect from taking Lactobacillus curvatus?

Results are variable depending on the specific health outcome being targeted and individual factors. It is part of a broader health strategy, not a cure-all.

Research Sources

  • https://pmc.ncbi.nlm.nih.gov/articles/PMC9228474/ – A study involving *Lactobacillus curvatus* HY7601 and *Lactobacillus plantarum* KY1032 found these probiotics improved lipid metabolism and weight loss in individuals with overweight. The study highlighted the potential of these strains in obesity management but noted the need for further research on their effects on visceral fat and gut microbiota.
  • https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2024.1447863/full – A randomized, double-blind, placebo-controlled trial evaluating *Latilactobacillus curvatus* LB-P9 found improvements in hair luster and elasticity, suggesting potential benefits for hair health. The study was well-designed but focused on a specific strain and outcome.
  • https://pmc.ncbi.nlm.nih.gov/articles/PMC11801621/ – This article discusses the impact of *Lactobacillus curvatus* on the gut microbiome and its potential role in preventing and treating various diseases. It highlights the importance of understanding the specific mechanisms of action of different *Lactobacillus curvatus* strains to maximize their therapeutic benefits.
  • https://www.mdpi.com/2072-6643/13/9/3045 – This review explores the potential of *Lactobacillus curvatus* in food fermentation and its impact on the nutritional and sensory qualities of fermented products. It emphasizes the role of *Lactobacillus curvatus* in enhancing the safety and shelf life of fermented foods.
  • https://onlinelibrary.wiley.com/doi/10.1155/2019/3862971 – While not specific to *L. curvatus*, a systematic review on probiotics in obesity highlighted the potential benefits of probiotics in metabolic health, though results can vary by strain and study design. This underscores the importance of strain-specific research.

Supplements Containing Lactobacillus curvatus

Women's Raw Probiotic 100 Billion CFU by Wholesome Wellness
63

Women's Raw Probiotic 100 Billion CFU

Wholesome Wellness

Score: 63/100
PROBIOTIC 100 Billion CFU WITH DIGESTIVE ENZYMES & BIOFLAVONOIDS by Pr Original
65

PROBIOTIC 100 Billion CFU WITH DIGESTIVE ENZYMES & BIOFLAVONOIDS

Pr Original

Score: 65/100
mega probiotics by microingredients®
83

mega probiotics

microingredients®

Score: 83/100
MEN'S PROBIOTICS by ZEBORA®
0

MEN'S PROBIOTICS

ZEBORA®

Score: 0/100

Recommended Articles

Top Ingredients for Optimal Gut Health

Top Ingredients for Optimal Gut Health

Fiber, probiotics, prebiotics, hydration, and fermented foods are crucial for maintaining healthy digestion and gut function.

Best Probiotic Strains & CFU for Health

Best Probiotic Strains & CFU for Health

Certain probiotic strains like Lactobacillus and Bifidobacterium, with CFU counts ranging from 1 billion for general wellness to 100 billion for conditions like IBS, are most beneficial.

Best Probiotic Strains for Your Health Goals

Best Probiotic Strains for Your Health Goals

Certain probiotic strains offer targeted benefits for digestive health, immune support, weight management, and mental health.

Top Digestive Health Ingredients

Top Digestive Health Ingredients

Dietary fiber, probiotics, and natural ingredients like ginger and peppermint oil are essential for improving digestive health.