Several of the healthy brands offer really strong dark chocolate bars.
Alter Eco 90% Super Dark.
Taza 95% Wicked Dark.
Lindt 90% and 99% Extra Dark.
Pure 7 100% Bar.
Ghirardelli 92% Intense dark.
Pacari 100% and 101% Raw.
Vivani 92% Bar.
Giddy Yoyo Raw 100% Cacao.