You can get more blueberry-cinnamon syrup from our Make More Store.
Cinnamon sticks can be found in the spice aisle of the grocery store.
We're offering a Green Thumb Cooler Kit on our Make More Store, which includes all the ingredients for 4 servings of this cocktail (just add St~Germain)!
Most grocery stores will carry some lime seltzer, if you're specifically looking for Boylan, they have a handy product finder on their site.
You can get more neri goma syrup from our Make More Store.
Makrut lime leaves can be somewhat difficult to find, so your best bet is finding a Thai or southeast Asian specialty market. You can also find dried leaves online, which should work similarly.