What it is
Rou Gui (Cinnamon Bark) is a single-ingredient supplement derived from Cassia bark, utilized in Traditional Chinese Medicine to support cardiovascular function and circulation. It is available in capsule form for adult use.
Supplement · Cardiovascular
Rou Gui (Cinnamon Bark)
500 mg · vegan · gluten-free · 90 caps
hypertensionperipheral-artery-diseasedyslipidemia heartblood vesselkidney
Affiliate link · we earn from qualifying purchases. No paid placements.
How it works
Rou Gui primarily influences cardiovascular health through mechanisms associated with vasodilation and improved blood flow. Its compounds are thought to interact with pathways regulating blood pressure and lipid profiles, with effects becoming noticeable over several weeks of consistent use.
Who should take it
Adults looking to address high blood pressure, poor circulation, high cholesterol. Particularly relevant for people who prefer a targeted single ingredient and who have ruled out an underlying condition that needs medical care first.
Avoid / careful
Pregnant or nursing women without clinician oversight. People on prescription medication affecting the same pathway should consult a doctor before combining. Side effects are uncommon at recommended doses but mild GI upset can occur when starting.
When to take it
Morning
Noon
Evening
Night
How to take it
With food
Empty stomach
Before food
FAQs
Frequently asked
Can Rou Gui be taken with other supplements?
Yes, Rou Gui can be layered into a broader protocol. However, consult your clinician before combining with supplements that affect similar pathways, such as blood pressure or cholesterol.
How long does it take to see results from Rou Gui?
Measurable cardiovascular markers typically improve within 4 to 12 weeks of consistent daily use.
What is the difference between Rou Gui and other cinnamon supplements?
Rou Gui specifically refers to Cassia bark in TCM, often used for its warming properties and kidney-yang tonification, distinct from Ceylon cinnamon which is milder.
Research
6 studies · 2010–2024
Evidence grade
ABCD
C · C · emerging-to-moderate human evidence for cardiovascular and circulatory health
From the blog
Editorial notes
SacredBod's longer take on Rou Gui (Cinnamon Bark) — context the structured blocks above don't capture.
About Rou Gui (Cinnamon Bark)
Rou Gui (Cinnamon Bark) is a cardiovascular supplement used to support cardiovascular and circulatory health. Cassia bark for kidney-yang and circulation. It is available in capsule form and dosed for adults in India and internationally. As a tcm-tradition entry in the SacredBod catalog, it is positioned as a single-ingredient option that can be used on its own or layered into a broader protocol. Rou Gui (Cinnamon Bark) works through the mechanisms characteristic of its class — see the mechanism and research sections for detail. It primarily acts on the heart, blood vessels, and effects are dose-dependent, typically becoming measurable within 4-12 weeks for measurable cardiovascular markers. Consistency matters more than dose size for this category.
Evidence
Rou Gui (Cinnamon Bark) carries an evidence grade of C in the SacredBod catalog, reflecting emerging human evidence for cardiovascular and circulatory health. Cassia bark for kidney-yang and circulation. Benefits are cumulative rather than immediate, typically becoming noticeable within 4-12 weeks for measurable cardiovascular markers, and individual response varies.
Dosing
A typical dose is 500 mg, taken with food, usually in the morning. Start at the lower end, assess tolerance, and stay consistent; more is not automatically better.
Cautions
Pregnant or nursing women without clinician oversight. People on prescription medication affecting the same pathway should consult a doctor before combining. Side effects are uncommon at recommended doses but mild GI upset can occur when starting.
Who it’s for
Adults looking to address high blood pressure, poor circulation, high cholesterol. Particularly relevant for people who prefer a targeted single ingredient and who have ruled out an underlying condition that needs medical care first.
As part of the Cardiovascular category, Rou Gui (Cinnamon Bark) can be used on its own or layered into a broader protocol — see the Goes with panel for evidence-aligned pairings.
Added to your stack.