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      FREE SHIPPING on all orders over $200! 

      Order total must exceed $200 prior to tax or shipping charges. Free shipping rates are for US orders within the 48 contiguous states. Restrictions may apply to bulky, long, or oversize items. International orders will incur additional shipping charges. When choosing free shipping, the customer provides the seller with permission to choose both the shipping provider and the shipping method. For priority or express packages, we advise to choose a shipping method that meets your delivery needs. Free shipping orders will be delivered within 3-6 business days depending on the ship to address.

      Same day shipping on orders placed before 12PM!

      Optimal Formulations guarantees same day shipping on all orders placed before 12PM. Same day guarantee applies to in-stock items only and may be interrupted due to weather related issues or holidays. Seller is not responsible for these interruptions. For overnight and express shipments, orders must be received before 12PM to guarantee same day shipping. We strongly encourage customers to contact our customer service department to ensure a package can be shipped same day if placed after 12PM. Optimal Formulations can’t be held liable for orders not shipped same day if placed after the same day shipping cutoff. We commit to ship packages same day whenever possible but it is not always feasible.

      Optimal Formulations ships Monday through Thursday excluding holidays. Any order placed on either Friday, Saturday, or Sunday will ship the following business day.

      Other Policies

      UPS Ground, UPS Overnight, UPS 2nd Day and UPS 3rd Day, as well as USPS Priority and USPS First Class shipping methods are all available at checkout. Costs and time in transits are calculated at checkout. Time in transit estimates are provided by the shipping providers. Optimal Formulations cannot be liable for incorrect time in transit estimates provided by shipping providers. UPS will not deliver to a PO Box. If shipping to a PO Box, customer is responsible for choosing a USPS shipping service.

      International shipments are not available at this time.

      Optimal Formulations will provide ice packs for all heat sensitive items during warmer months. Warmer months are defined as April through September and Heat sensitive items are defined as Probiotics. The customer is responsible for choosing a shipping method consistent with time in transit needs of heat sensitive items. Optimal Formulations will not be liable for damages to heat sensitive products unless overnight shipping is selected.