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Probiotics Require Special Shipping

We recommend shipping by UPS 2nd Day Air for Probiotics.

PLEASE BE ADVISED: Though USPS Priority Mail may state "1-day (or 2-day) Delivery," the US Postal Service does not guarantee that timeframe and it could take up to 5 days. Therefore, it is not advisable to use this shipping method for probiotics, especially during periods of warm weather.

Shipping Days for Probiotics 

Probiotics will only be shipped Monday through Wednesday to avoid weekend delays. Orders for probiotics received after 2:00 p.m. PT on Wednesdays, or anytime on Thursday or Friday will be held for shipment on Monday.

If you have questions please call Customer Service at 800-245-8282.

International Customers Please Note

Kirkman prices, shipping and handling charges do NOT include any taxes and or duties. These taxes and duties, if any, are determined and assessed by your country's customs officials and will be collected by them at the time your order is delivered to you. The customer is responsible for duties and taxes for orders that are shipped outside of the USA .

Due to recent changes to customs and import regulations, we may not be able to ship to your country. If you do not see your country in the address section of your shopping cart, or you get a “no shipping quote available” notification when attempting to check out, please contact your local distributor by clicking here.

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