What it is
Coix Seed (Yi Yi Ren), also known as Job's Tears, is a grain used in Traditional Chinese Medicine. It is recognized for its potential to improve skin complexion, reduce fluid retention (dampness), and support joint health.
Supplement · Skin, Hair & Connective Tissue
Coix Seed (Yi Yi Ren)
500 mg · vegan · gluten-free · 90 caps
dull-skinhair-thinningjoint stiffness skinconnective tissue
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How it works
Coix Seed contains compounds like coixenolide and sterols that exhibit anti-inflammatory and antioxidant properties. These mechanisms are thought to contribute to its effects on skin hydration, collagen synthesis, and the reduction of inflammatory mediators affecting joints.
Who should take it
Adults looking to address dull skin, hair thinning, premature ageing. 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 from Coix Seed?
Visible improvements in skin clarity and texture may take 8-12 weeks of consistent daily use. Joint benefits can vary based on individual factors.
Can Coix Seed help with acne?
In TCM, Coix Seed is used to clear heat and dampness, which can be associated with certain types of acne. However, it is not a direct acne treatment and underlying causes should be addressed.
Is Coix Seed safe for long-term use?
Coix Seed is generally considered safe for long-term use at recommended doses for most adults. However, prolonged use without breaks is not typical in TCM practice and consultation with a practitioner is advised.
Research
6 studies · 2010–2024
Evidence grade
ABCD
C · C · emerging-to-moderate human evidence for skin, hair and connective-tissue health
Editorial notes
SacredBod's longer take on Coix Seed (Yi Yi Ren) — context the structured blocks above don't capture.
About Coix Seed (Yi Yi Ren)
Job’s tears for skin clarity, dampness and joints.
As part of the Skin, Hair & Connective Tissue category, Coix Seed (Yi Yi Ren) is included in the SacredBod catalog to support skin, hair and connective-tissue health. See the Mechanism and Research sections above for detail.
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