GlycanAge's kit includes an envelope for sending your sample back to us: 

• If located within the United States/Canada, shipping is pre-paid via USPS (United States Postal Service). 

• If located within the United Kingdom, shipping is pre-paid via Royal Mail First Class postal service. 

• If located outside of the UK, USA/Canada (international), customers are responsible for the cost of shipping samples back to GlycanAge. Be sure to include any necessary customs forms when returning your sample. 

For detailed instructions on how to ship your samples back to GlycanAge, please see this article on shipping instructions.