Our Customer Support Representatives are available for calls from 8AM to 8 PM ET Monday through Friday. For email requests and questions, please allow up to 2 business days for a response. Requests sent on weekends or holidays may take up to 3 business days to respond to. If you have an urgent request involving changes or cancellations to an order, please know that Customer Service are unable to change orders once placed. If you ordered on thorne.com, please allow 24-38 hours for tracking information to be available. You can check the status of your order here https://www.thorne.com/orders/tracking. Please have your online order number available.