Est. 1891. Tonic with flavor. Ladies and gentlemen, tonic with flavor. Boylan Heritage Tonic was created to bring an end to bland tonic water. Crafted from a refreshing blend of seltzer, cane sugar, quinine and all-natural botanicals, Boylan Heritage Tonic is the perfect combination of sweet, bitter and sour to match your favorite gin or vodka. Hell, we've been known to drink it straight, on the rocks. Ladies and gents, welcome to the age of flavorful tonic. Visit us online at: Boylanheritage.com. Please recycle.