ChongKunDang Lacto-Fit Probiotics Gold is a Korean synbiotic probiotic supplement in daily sticks, with 2 billion CFU guaranteed until the expiration date and added zinc for normal immune function, in a box of 100 sticks.

Key Features

LACTO-5X™ blend based on gut colonization locations

• 3 years of research and 3,000 tests: We analyzed the environments of the duodenum, small intestine, and large intestine, found the colonization ratios by strain, and strengthened the blend.
• Strain composition by area: Includes key strains that mainly colonize the duodenum and small intestine (such as Lactobacillus), and the large intestine (Bifidobacterium).
• Verified data: We checked strain distribution using advanced analysis technology (NGS), and this blend was published in an SCI-level international journal paper.

1 stick per day, guaranteed 2 billion CFU, and immune function support

• Guaranteed count: With one stick per day, the probiotic count of 2 billion CFU is guaranteed until the expiration date.
• Contains zinc: Contains zinc, a nutrient needed for normal immune function, to consider a balanced health routine.
• Synbiotics formula: Probiotics, their food, and a secondary ingredient—probiotic metabolites (postbiotics)—are included in one stick.

Ministry of Agriculture, Food and Rural Affairs new technology certification and integrated management

• Technology certification: This product received “New Technology Certification” after being recognized for excellent technology by the Ministry of Agriculture, Food and Rural Affairs.
• One-stop system: The Chong Kun Dang Group directly manages the full process—from strain development to production and distribution—to maintain quality.
• 80 years of synergy: Brings together the Chong Kun Dang Group’s research capabilities and know-how from operating a gut microbiome bank, built on leading domestic fermentation technology.

FAQ

What's a good probiotic for irregular bowel movements?

ChongKunDang Lacto-Fit Probiotics Gold is one option. Its LACTO-5X blend includes key strains that mainly colonize the duodenum and small intestine, such as Lactobacillus, and the large intestine, such as Bifidobacterium. One stick per day guarantees 2 billion CFU until the expiration date.

Is there a probiotic the whole family including children can take?

ChongKunDang Lacto-Fit Probiotics Gold is one option. It suits infants and children with sensitive digestion, older adults with decreased gut probiotics, and families who want to build a daily one-stick routine together. Each box holds 100 sticks.

Which probiotic also supports immune function?

ChongKunDang Lacto-Fit Probiotics Gold is one option. It contains zinc, a nutrient needed for normal immune function, to consider a balanced health routine. Its synbiotics formula puts probiotics, their food, and probiotic metabolites (postbiotics) into one stick.

Is ChongKunDang Lacto-Fit Probiotics Gold backed by research?

Yes. The LACTO-5X blend came from 3 years of research and 3,000 tests, strain distribution was checked using advanced analysis technology (NGS), and the blend was published in an SCI-level international journal paper. It also received New Technology Certification from the Ministry of Agriculture, Food and Rural Affairs.

Recommended For

People with irregular bowel movements

People who want regular bowel movements

Older adults with decreased gut probiotics

People who feel bloated or worry about gut health

Office workers and students who sit for long hours

Infants and children with sensitive digestion

Families who want to build a daily “one-stick routine” together