d – Limonene has numerous medicinal benefits including promoting weight loss, aiding digestion, and preventing gastric distress. It has been shown to be an anti-fungal agent, making it a natural remedy for athlete’s foot or outbreaks of yeast. Limonene also shows promise as a treatment for anxiety and depression. Most interestingly, limonene has been shown both to stimulate the immune system and be an effective treatment for cancer.