Wilac D001 Ingredient


Weissella confusa WIKIM51 Probiotic (Wilac D001)

- U.S. FDA NDI Registration for Weissella strain (NDI No. 1261)

- Individually Recognized Functional Ingredient No. 2026-6

A next-generation functional probiotic that has been scientifically validated for its body fat reduction effect and officially recognized as an individually approved functional ingredient by the Korean Ministry of Food and Drug Safety (MFDS).
This probiotic strain was originally isolated from traditional fermented wild dandelion kimchi from the clean southern coastal region of Korea.


Ingredient Name

Weissella confusa WIKIM51 Probiotic (Wilac D001)


Approval Number

No. 2026-6 (2026.02.09)


Functional Claim

May help reduce body fat.


Recommended Daily Intake

1x1010 CFU/day


Key Functional Benefits

Clinically Observed Effects

Human Clinical Trial Results

Key Functional Benefits

Clinically Observed Effects

Human Clinical Trial Results

Metabolic and Glycemic Improvements

Human Clinical Trial Results

Glycemic Control Benefits
The mechanism of blood glucose regulation was supported by three levels of evidence: cell study, animal study, and human clinical trial.

Changes in Gut Microbiota
Impact on Gut Microbiota Balance (LEfSe Analysis)

Changes in Gut Microbiota Normalization of Firmicutes/Bacteroidetes ratio.

• Normal Diet (ND): Dominance of 6 species including Lactobacillus murinus High-Fat Diet (HFD): *Increasedbeneficial bacteria : Desulfovibrio fairfieldensis, Enterorhabdus muris
*Decreased: Bacteroides sartorii, Muribaculum intestinale

After Wilac D001 intake:
-Significant changes observed in 6 species
-Bacteroides caecimuris: Negatively correlated with body weight, body fat, triglycerides, total cholesterol, blood glucose, and leptin
-Positively correlated with adiponectin


2. Wilac D001

• Associated with  Improved gut microbiota composition altered by high-fat diet 

Certifications, Awards & Presentations, Patents and Publications

Wilac D001- Certifications┃Awards & Presentations┃Patents┃Publications

Certifications


• MFDS Individually Approved Functional Ingredient (No. 2026-6)

• U.S. FDA NDI Registration for Weissella strain (NDI No. 1261)

• NET (New Excellent Technology) Certification from the Ministry of Trade, Industry and Energy (MOTIE), Korea 

Patents


• Composition containing Weissella confusa WIKIM51 for anti-obesity activity (2018)

• Probiotic composition for improving women’s health (2021)

• Composition containing Wilac D001 strain for gut health improvement (2025)

Awards and Presentations


• ICOMES International Conference on Obesity and Metabolic Syndrome – Academic Presentation (2024)

• International Journal of Health Functional Food – Best Paper Award (2021)

• BioF Korea 2025 – Presentation on anti-obesity probiotic development (2025)

• Microbiological Society of Korea – Clinical results presentation on anti-obesity probiotics (2025)

Published Research


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Journal

Title


Human clinical study

J. clinical medicine

Efficacy and safety of WCFA19(Weissella confusa WIKIM51) in reducing body fat in overweight and obese adults


In vivo

J. Functional Foods

Kimchi-derived probiotic intervention improve metabolic health in a sex-specific manner in rat offspring affected by maternal diet and postnatal nutrition

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Microbiol Biotechnol Lett.

Modulation of lipogenesis and energy metabolism by the Weissella confusa WIKIM51 diet in a murine obesity model

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Food Suppl Biomater Health.

Effects of Weissella confusa Wilac D001 Isolated from Dandelion Kimchi on Dextran Sulphate Sodium-Induced Colitis in Mice


In vitro

Applied sciences

The Antifungal Effect of Weissella confusa WIKIM51 (Wilac D001) on Vaginal Epithelial Cells Infected by Candida albicans


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