Lemon extract is from the lemon tree, which is a different plant than lemon balm. Lemon balm essential oil is an excellent way to get the healing benefits of this herb, and tinctures (= extracts) are another way to utilize it. Lemon balm is a great herb that can be eaten raw, added to food, or made into tea as well. There are lots of ways to get the healing powers of plants into your system!