According to The Salt, beer made from spruce trees are coming back in style. They say “back in style” because, apparently spruce was used as a way to ward off scurvy for Nordic travelers. Though there is some doubt as to whether fermented spruce needles have enough Vitamin C (if any), it is thought the pine to be a healthy toothpaste used by Native Americans.
You can brew your own tree (think about that for a minute) or you can order a homebrew kit.
via The Kitchn