Sour Jack is a sativa-dominant hybrid known for its energizing, uplifting effects, often used to boost creativity and focus. It has a pungent, sour citrus aroma with hints of pine. Its terpene profile typically includes limonene (citrusy, linked to mood enhancement and stress relief), pinene (fresh and pine-like, associated with increased alertness and memory retention), and caryophyllene (spicy and peppery, known for its potential to reduce inflammation and pain by binding to CB2 receptors). Sour Jack is favored for its clear-headed effects, making it ideal for daytime use.