OUR PRODUCTS
Three prebiotics, three care paths
A product is not a result — it's one piece of a chronic-care service, delivered together with MNT assessment, a personalized plan, and a health manager's ongoing support.
Important: This page is for brand and service explanation, not medical advice. Whether a product is suitable for you, the dosage, and any drug interactions should be guided by your physician or a qualified health manager.
Three products at a glance
Pick the path first, then the product. Click a card to jump to its detail below.
Yi Yuan Chang
A foundational daily prebiotic — starting from the gut to support overall health.
- One-line positioning
- A foundational daily prebiotic — starting from the gut to support overall health.
- Who it's for
- For adults who want to build basic gut-health habits — long sedentary hours, monotonous diet, low fiber intake, or simply daily care of gut function.
- Composition direction
- Soluble dietary fiber as the base, blended with multiple prebiotics (refer to the package label for the current formula). Contains no live probiotic strains. Shelf-stable, easy to mix.
- Suggested use
- Once daily, mixed with warm water or a beverage, before or after a meal. For the first two weeks consider half-dose to let your gut adjust, then move to full dose.
- Caution
- Pregnancy, breastfeeding, post-operative recovery, or acute gastrointestinal disease — please consult a doctor or health manager before starting.
- Spec / packaging
- Individually packed sachets · one per dose · 30 sachets/box (latest packaging applies)
Yi Tang Chang
Prebiotic formula for people focused on metabolic health, used alongside an MNT plan.
- One-line positioning
- Prebiotic formula for people focused on metabolic health, used alongside an MNT plan.
- Who it's for
- For people with borderline or abnormal markers in glucose, lipids, or weight who want lifestyle-led intervention. Best started after an MNT assessment, guided by a health manager.
- Composition direction
- On top of base dietary fiber, adds a prebiotic blend oriented toward glucose-metabolism research (refer to the package label for the current formula).
- Suggested use
- 1-2 times daily with meals. Exact dosing and timing should follow the health manager's personalized plan.
- Caution
- If you take glucose-lowering, lipid-lowering, or anticoagulant medications, please consult your physician first to avoid additive effects.
- Spec / packaging
- Individually packed sachets · 30 sachets/box (latest packaging applies)
Yi Tang Chang B
Advanced formula for people already on a management plan, looking for deeper microbiota intervention.
- One-line positioning
- Advanced formula for people already on a management plan, looking for deeper microbiota intervention.
- Who it's for
- For clients who have completed MNT assessment, hold staged management goals (weight loss, metabolic improvement, microbiota tuning), and are tracked by a health manager. **Not recommended as a stand-alone starter.**
- Composition direction
- Builds on Yi Tang Chang with stronger microbiota modulation; dietary-fiber × active-prebiotic ratio is further optimized (refer to the package label for the current formula).
- Suggested use
- Follow the health manager's plan, typically in staged cycles (e.g., 4-6 week windows). Not intended for continuous long-term use without supervision.
- Caution
- Not recommended during pregnancy, breastfeeding, intestinal post-operative recovery, or active inflammatory bowel disease. If significant bloating or diarrhea occurs, reduce dose or pause and consult your health manager.
- Spec / packaging
- Individually packed sachets · 30 sachets/box (latest packaging applies)
Common questions about prebiotics
Educational content only — not medical advice. For dosing and treatment decisions, please consult a physician or health manager.
Prebiotics vs. probiotics — what's the difference?
Probiotics are beneficial live bacteria themselves; prebiotics are compounds humans can't directly digest but beneficial gut microbes can selectively use — essentially "food for your existing gut microbes." They're not in conflict and are often used together. Which one suits you depends on your situation — a health manager's recommendation after assessment is the best starting point.
How long until I notice a difference?
Microbiota changes happen on a weekly scale. Most users notice daily gut-state changes within 2-4 weeks. Metabolic markers usually need to be paired with diet and lifestyle changes and stabilize over 8-12 weeks. Be patient — don't chase short-term miracles.
Will it interact with my medications?
Prebiotics are not medications, but if you're taking glucose-lowering, lipid-lowering, anticoagulant, or immunosuppressant medications, please consult your physician first so that timing and dosage can be properly arranged.
Who shouldn't take it?
Pregnancy, breastfeeding, post-operative recovery, acute severe digestive disease, or active inflammatory bowel disease — please consult a doctor or health manager first. A small minority of people sensitive to dietary fiber may experience initial bloating; starting with a reduced dose and ramping up usually solves this.
Where can I buy it?
Currently distributed through YSC's partner channels (medical and non-medical organizations), packaged into health-manager-delivered service. For bulk orders or regional retail partnerships, please reach our BD team via the Partners page.
Want to see how the products fit into service?
Products only make sense inside the right plan, with the right person guiding it. Next, look at the chronic-care service flow — or reach out for partnership.