Magnesium 400 mg
Standard shipping via UPS Ground is included in the quoted price. The estimated delivery time will be approximately 3 - 5 business days from the time of order.
Express shipping is via UPS. The estimated delivery time will be approximately 1 - 2 business days from the time of order.
Please choose your shipping method at checkout.
An additional Shipping and Handling fee will apply to express shipments. This fee will be quoted at checkout.
*Delivery is available to Alaska and Hawaii. An additional Shipping and Handling fee will apply to shipments going to Alaska or Hawaii. This fee will be quoted at checkout. Additional transit time may be required.
Delivery is not available to Puerto Rico.
Costco.com products can be returned to any of our more than 600 Costco warehouses worldwide.
If you request an item be picked up for return, the item must be packaged and available for pick up in the same manner as it was delivered. If your order was delivered "curb side", it will need to be available for curb side pick up.
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