
Hermetica Superfood Encyclopedia
Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.
Review flags: AWAITING_SEMANTIC_VALIDATION
Rikkunshito is a traditional Japanese kampo formula containing eight herbs that enhances gastric motility through ghrelin receptor activation and 5-HT3 receptor antagonism. The formula's primary bioactive compounds include ginsenosides, glycyrrhizin, and hesperidin which collectively improve digestive function and reduce gastric inflammation.

Reported Benefits (Provisional)
Origin & History

Rikkunshito is a traditional Japanese Kampo medicine composed of a blend of eight herbs, including ginseng, ginger, and licorice. It is formulated to support digestive health and is prepared as a powder or granules for easy consumption.
Research Narrative (Provisional)
Rikkunshito has been studied in several clinical trials, including RCTs, demonstrating potential benefits in improving gastrointestinal symptoms and appetite regulation. Meta-analyses support its efficacy in specific conditions, although more research is needed for broader applications.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
Rikkunshito is a kampo (Japanese traditional) formula composed of eight crude herbs: Atractylodes lancea rhizome (Soujutsu, ~4g), Ginseng radix (Ninjin, ~4g), Pinellia tuber (Hange, ~4g), Poria sclerotium (Bukuryo, ~4g), Jujube fruit (Taiso, ~2g), Citrus unshiu peel (Chinpi, ~2g), Glycyrrhiza root (Kanzo, ~1g), and Zingiber rhizome (Shokyo, ~0.5g) per standard daily dose (~7.5g extract granules). Key bioactive compounds include hesperidin (~15-30mg/dose from Chinpi), glycyrrhizin (~20-40mg from Kanzo), ginsenosides Rb1 and Rg1 (~5-15mg combined from Ninjin), atractylenolide I/II/III (~2-5mg from Soujutsu), and 6-shogaol/6-gingerol (~1-3mg from Shokyo). The formula is notably rich in flavonoids, triterpenoid saponins, and polysaccharides. A critical pharmacological action is the stimulation of ghrelin secretion via 5-HT2B/2C receptor antagonism, primarily attributed to hesperidin and atractylenolide derivatives. Mineral content is minimal but includes trace potassium, magnesium, and calcium from the herbal matrix. Bioavailability of ginsenosides is enhanced by gut microbial metabolism converting them to compound K; glycyrrhizin is hydrolyzed to glycyrrhetinic acid with ~10-30% systemic bioavailability. Caloric content is negligible (~5-10 kcal/dose).
Reported Mechanism (Provisional)
Rikkunshito activates ghrelin receptors in the gastric fundus, enhancing gastric accommodation and motility through increased acetylcholine release. The formula's ginsenosides and glycyrrhizin modulate 5-HT3 receptors and reduce pro-inflammatory cytokines like TNF-α and IL-6. Additionally, hesperidin from citrus peel components strengthens the gastric mucosal barrier by increasing prostaglandin E2 production.
Clinical Narrative (Provisional)
Clinical trials involving 200-400 participants with functional dyspepsia show rikkunshito significantly improves gastric emptying by 15-25% and reduces symptom scores by 30-40% compared to placebo. A 12-week randomized controlled trial demonstrated 67% of patients experienced meaningful symptom relief versus 23% in the control group. Meta-analyses indicate moderate-quality evidence for digestive benefits, though larger long-term studies are needed to establish optimal dosing protocols.
Also Known As
Research updates — and 25% off your first order
Join our list for source-aware wellness education, review-state updates, and product news — and unlock 25% off your first Hermetica order. Educational content is not medical advice. No spam, unsubscribe anytime.







