Oon Jai Marketplace
All food is reported to be vegan, though some drinks contain honey that staff will omit on request.
Per-allergen evidence
All food is reported to be vegan, though some drinks contain honey that staff will omit on request. Staff are described as understanding about allergies. No dedicated kitchen or cross-contamination protocols are mentioned, but the venue's core offering is vegan.
[1] Aggregator Oon Jai Marketplace - Vientiane Restaurant - HappyCow, HappyCow
A HappyCow listing carries tags for 'Gluten-free', 'Vegetarian', and 'Vegan-friendly'. 24 reviews state that all food is vegan, though honey appears in some drinks, and staff understand allergies.fetched May 28, 2026[2] Aggregator 10 Best Vegan Restaurants in Vientiane, Laos - 2026 - HappyCow, HappyCow
The HappyCow top-10 vegan restaurants page includes a brief listing for Oon Jai Marketplace. Tags and a description are part of that listing.fetched May 28, 2026The venue is categorised as a vegetarian/vegan restaurant on its Facebook page and HappyCow. All food is vegan except honey in some drinks, so vegetarian options are abundant. No dedicated kitchen or cross-contamination details are available.
[1] Aggregator Oon Jai Marketplace - Vientiane Restaurant - HappyCow, HappyCow
A HappyCow listing carries tags for 'Gluten-free', 'Vegetarian', and 'Vegan-friendly'. 24 reviews state that all food is vegan, though honey appears in some drinks, and staff understand allergies.fetched May 28, 2026[2] Aggregator 10 Best Vegan Restaurants in Vientiane, Laos - 2026 - HappyCow, HappyCow
The HappyCow top-10 vegan restaurants page includes a brief listing for Oon Jai Marketplace. Tags and a description are part of that listing.fetched May 28, 2026[3] Verified blog Oon Jai Marketplace | Vientiane, facebook.com
The official Facebook About page categorises the venue as a 'Vegetarian/Vegan restaurant'. It does not contain any details about allergen practices.fetched May 28, 2026The venue carries a 'Gluten-free' tag on HappyCow and serves rice and quinoa bowls, though no details are available about dedicated equipment, cross-contamination prevention, or staff training. Calling ahead to confirm whether coeliac needs can be accommodated safely is advisable.
[1] Aggregator Oon Jai Marketplace - Vientiane Restaurant - HappyCow, HappyCow
A HappyCow listing carries tags for 'Gluten-free', 'Vegetarian', and 'Vegan-friendly'. 24 reviews state that all food is vegan, though honey appears in some drinks, and staff understand allergies.fetched May 28, 2026[2] Aggregator 10 Best Vegan Restaurants in Vientiane, Laos - 2026 - HappyCow, HappyCow
The HappyCow top-10 vegan restaurants page includes a brief listing for Oon Jai Marketplace. Tags and a description are part of that listing.fetched May 28, 2026Always confirm with venue staff before ordering. Tiers and accreditations are guides, not guarantees.
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