Jack Herer flowers has between 15% and 24% THC. Jack Herer strain typically leaves users feeling stimulated but in full lucid control of their actions. This mellow high is good for treating low-grade stress, anxiety, and depression. Users have also described relief from migraines. Although not high in CBD, Jack Herer strain can also be beneficial for chronic aches and pains. It is not recommended for those suffering from insomnia, as the stimulation of thought and mood can actually keep users awake. More of a daytime treat than an evening medication.