Shipping policy

Shipping Policy – SERN

  1. Processing Time

Orders usually take 2–5 business days to fulfill before they are handed to USPS. Orders containing more than 200 items may take 5–10 business days to fulfill. Subscription renewal orders are processed on the same schedule as your billing date.

Please note: for a short window after an order is placed, it can still be edited or cancelled. Once an order moves into fulfillment, changes are no longer possible — see Section 5 below for details.

  1. Domestic Shipping (United States)

SERN ships within the United States via USPS. Two speeds are available at checkout:

  • USPS Ground Advantage (Regular): 2–4 business days
  • USPS Priority (Express): 1–3 business days

These are transit times once your order has shipped, and are in addition to our processing time above.

Please note: we are currently unable to ship to Alaska or Hawaii.

  1. Shipping Costs

Shipping is free on all US orders.

  1. Order Tracking

You will receive a shipping confirmation email with tracking information once your order has shipped. If you have not received tracking information within 5 business days of placing your order, please contact hello@sernsupplements.com.

  1. Address Changes & Order Cancellation

You may request a change to your shipping address or cancel your order within a short window after checkout, while your order status is still "New." Once your order status changes to "Accepted," it has been sent to our fulfillment team for preparation, and we are no longer able to edit the address or cancel the order.

If you need to change your address or cancel an order, contact hello@sernsupplements.com as soon as possible after checkout.

  1. Address Accuracy

You are responsible for providing an accurate and complete shipping address at checkout. SERN is not responsible for orders delayed or lost due to an incorrect or incomplete address provided by the customer once the order has moved into fulfillment. If you notice an error immediately after placing your order, contact us as soon as possible — see Section 5 above.

  1. Lost, Delayed, or Stolen Packages

If tracking shows your package as delivered but you have not received it, please check with neighbors and building management first, and allow a few business days, as carriers occasionally mark packages delivered ahead of arrival. If the package still cannot be located, contact hello@sernsupplements.com and we will investigate with USPS and determine an appropriate resolution.

  1. Subscription Shipments

Subscription orders ship automatically according to your selected frequency, using the same carrier and speeds above. See our Purchase Options Cancellation Policy for details on managing or cancelling a subscription before your next scheduled shipment.

  1. Contact

Questions about your shipment can be sent to hello@sernsupplements.com with your order number.