Lemon verbena is native to South America, known for its medicinal effects and qualities as a food additive. Health benefits include: weight loss, strengthens muscles, reduces inflammation, boosts immunity, aids in digestion, relieves anxiety and treats congestion. Lemon verbena has a lighter, less aggressive flavour that other lemon-based plants, best described as lemon perfume. Also used topically on the skin to soften and relieve puffiness.