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If you have questions or need assistance concerning your account, contact us.

My order arrived damaged or incomplete. What should I do?
We work hard to ensure orders are packed correctly and completely, and all items are packaged carefully to prevent breakage in a factory in Japan. If you experience any problem with your order, please reach out to our Customer Service team for assistance. We’re happy to rectify any problems to ensure your satisfaction.
Can I return opened tea?
OSADATEA is dedicated to sourcing only the highest quality products; your experience is important to us. If you feel the quality of our products is less than expected, please contact our customer service within 30 days of your order date. We do not honor returns, exchanges, or refunds if the issue is a matter of personal taste but do honor replacements for quality issues. Please note, as an agricultural product, some seasonal variance is to be expected in the flavor profiles of tea.
We reserve the right to evaluate situations on a case-by-case basis as other restrictions may apply.
What shipping methods do you use?
OSADATEA ships to countries worldwide. For international shipments, we use UPS as our preferred shipping method. For shipments from U.S. warehouses in the U.S., we use US Postal Service. If you prefer a different shipping method or are unable to receive your package via UPS or USPS, please contact customer service at before checkout.
How should I store my tea?
Similar to spices and coffee beans, dried tea leaves and powders will not “go bad” or spoil but can lose freshness over time. To maintain the quality of the tea, we recommend storing it in the resealable OSADATEA Sample Pack, away from direct sunlight, heat, moisture, and strong smells. Tea is hygroscopic and absorbs moisture and nearby aromas, so it is best stored away from strongly scented products such as coffee, spices, and herbs.
A cool pantry or cupboard is perfect. Remember to gently push out any excess air when resealing the bag after use!
Are you testing your Japanese teas for radiation?
Our test results continually confirm that ALL OSADATEA Samples are completely safe.
Are your teas gluten/dairy/allergen free?
All OSADATEA products are free from ingredients containing gluten or dairy. Additionally, we do not work with ingredients containing or exposed to eggs, wheat, corn, soy, shellfish, or peanuts.
What’s the difference between OSADATEA and other Japanese Tea shops, retailers, or suppliers?
OSADATEA is a Japanese tea seller with production farms and factories in Japan, direct from the production site. Our main business is the supply of raw ingredients for B2B. Therefore, the samples we sell are commercial samples.
Can I ask you more questions?
The best way to contact us is by e-mail: or via our website's questionnaire.