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Shipping and Return Policy

Once an order is received, it may take up to 3 business days for orders to be processed and shipped, pending inventory availability. This applies to ALL shipping methods.

Standard shipping: UPS Ground, FedEx Ground 3-7 business days, based on delivery destination.

Expedited shipping: FedEx Express Saver, FedEx 2 Day 2-3 business days from ship date.

Please note:

  • Shipping costs will vary by package weight and shipping destination. This cost will be calculated before you confirm your order.
  • We cannot ship to PO boxes.
  • UPS and FedEx do not deliver on weekends or federal holidays.
  • Quicksilver Scientific will not be held responsible for lost or delayed packages. If your order is lost or delayed, please contact your shipping carrier.

We ship to registered licensed practitioners in Hong Kong. Please refer to our Distributor List to purchase products and testing outside the United States or Hong Kong. Quicksilver Scientific is not liable for delays or losses during import and is unable to refund shipping charges for orders that are denied entry. Customers are responsible for any additional import taxes or fees. Due to legal requirements, we cannot ship certain products internationally. For any questions, please contact us at +1-303-531-0861.

Due to their sensitive nature, some of our products (refrigerated items) require shipment in a cool environment (refrigerated items). They are subject to special shipping procedures to ensure customers receive products in good condition. These products are stable at room temperature for 5-7 days. If your product arrives warm, it is NOT damaged, as it was cold when it left our warehouse. For best results, keep all products out of direct sunlight. Heat- sensitive products include: Glutathione, Glutathione Complex, Vitamin C/R-Lipoic Acid, and CoQ10.

Heat-sensitive products, bundles containing heat-sensitive products, and test kits are not eligible for returns. If you are unhappy with your purchase we gladly accept consumer returns on non-heat sensitive products within 30 days of receipt. The cost of returning the product is at your expense. We do not charge a restocking fee. Please include the original invoice with your return shipment to ensure we are able to locate your original order/payment method. If available, please send the tracking number of your shipment to so we can validate your return as fast as possible. Not providing a tracking number may result in delay of your refund. We will refund your purchase via your original payment method once the approved return has arrived at the Quicksilver Scientific facility: 1960 Cherry St, Louisville, CO 80027. If you have any questions regarding our consumer return policy, please contact our Customer Experience team at or via phone at +1-303-531-0861.

Heat-sensitive products, bundles containing heat-sensitive products, and test kits are not eligible for returns. Wholesale orders are subject to a 15% restocking fee. Please contact to be assigned a Return Merchandise Authorization (RMA) number and Return Form, which must be enclosed in the returned package. This RMA number has a thirty (30) day expiration date. You (the customer) are responsible for any return shipping cost. We will not accept returns due to a customer’s inability to sell a product or lack of compliance with Quicksilver Scientific’s minimum advertised pricing policy or internet reselling restriction. We only issue refunds, process returns, or replace products for purchases made directly through Quicksilver Scientific. Quicksilver Scientific reserves the right to authorize refunds, returns, and replacements at its discretion. If you have any questions regarding our wholesale return policy, please contact our Customer Experience team at or via phone at +1-303-531-0861.

Quicksilver Scientific reserves the right to revise, modify or change this Return Policy at any time upon reasonable notice, and may decide not to make a refund to any person it believes is abusing this Return Policy. Any revision, modification or change to the Return Policy will be binding and effective immediately after posting on Quicksilver Scientific’s website ( You (the customer) agree to periodically review our website, particularly the Return Policy, to see if any revisions to the Policy have been made.

Damaged goods or incorrect shipments should be reported to within 10 days of receipt of the package. We will make every effort to remedy the situation as quickly as possible. Pictures of the damaged goods, manufacturing codes located on the back of the bottle, shipping box(es), shipping label, and order number will be required to process your request.

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