Why Do You Need Saliva Samples
There are many ways to obtain DNA from you, such as blood samples, saliva samples, cheek swabs, hair samples etc.
Saliva samples offer the most convenient and non-invasive method for DNA sample collection, since it does not require pricking your skin or accessing your veins. Saliva sample also allows us to obtain sufficient quantities of your DNA for our analysis, since cheek swabs do not consistently give sufficient DNA for our analysis.
Saliva samples are also more stable for transport, so it allows you to provide your saliva at your convenience.