Free Shipping Special

Free Standard Shipping on orders over $200!

Enter code "Sigma200" at checkout when placing your online order or ask for the $200 Sigma Free Shipping Special when placing your phone or fax order.


Offer valid through June 30, 2019. Offer applies to standard shipping only for orders shipping within the 48 contiguous United States and is not valid on previous orders.  Offer based on merchandise total and cannot be combined with any other offers, discounts or incentives.  Orders with the offer applied will be shipped via the carrier selected by Sigma Pharmaceuticals.