What it is
Su Zi (Perilla Seed) is a traditional Chinese medicine ingredient used to address respiratory congestion and digestive irregularity. It is available as a single-ingredient supplement.
Supplement · Respiratory & Lung Health
Su Zi (Perilla Seed)
1000 mg · vegan · gluten-free · 90 caps
wheezingfrequent-respiratory-infectionsconstipation lungslymphatic systemgut
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How it works
Perilla seed contains compounds that help to thin mucus, making it easier to expel from the airways. It also possesses mild laxative properties to promote bowel regularity.
Who should take it
Adults looking to address frequent infections, low immunity, slow recovery. 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
How long does it take to see results?
For immune resilience, effects are typically measurable within 2-6 weeks with consistent daily dosing.
Can I take Su Zi with other supplements?
Yes, Su Zi can be layered into a broader protocol. Consult your clinician for personalized advice.
Are there any side effects?
Side effects are uncommon at recommended doses, but mild gastrointestinal upset may occur when starting.
Research
6 studies · 2010–2024
Evidence grade
ABCD
C · C · emerging-to-moderate human evidence for immune resilience
From the blog
Editorial notes
SacredBod's longer take on Su Zi (Perilla Seed) — context the structured blocks above don't capture.
About Su Zi (Perilla Seed)
Su Zi (Perilla Seed) is a respiratory & lung health supplement used to support immune resilience. Perilla seed for wheezing, phlegm and bowels. It is available in softgel 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. Su Zi (Perilla Seed) works through the mechanisms characteristic of its class — see the mechanism and research sections for detail. It primarily acts on the immune system, lymphatic system, and effects are dose-dependent, typically becoming measurable within 2-6 weeks for immune resilience. Consistency matters more than dose size for this category.
Evidence
Su Zi (Perilla Seed) carries an evidence grade of C in the SacredBod catalog, reflecting emerging human evidence for immune resilience. Perilla seed for wheezing, phlegm and bowels. Benefits are cumulative rather than immediate, typically becoming noticeable within 2-6 weeks for immune resilience, and individual response varies.
Dosing
A typical dose is 1000 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 frequent infections, low immunity, slow recovery. 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 Respiratory & Lung Health category, Su Zi (Perilla Seed) can be used on its own or layered into a broader protocol — see the Goes with panel for evidence-aligned pairings.
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