Hordenine hydrochloride is widely used in the pharmaceutical and dietary supplement industries due to its stimulant properties. It is commonly included in pre-workout supplements to enhance energy, focus, and physical performance by promoting the release of norepinephrine. Additionally, it is utilized in weight loss products for its potential to increase metabolism and fat burning. In research settings, it serves as a biochemical tool to study adrenergic receptor activity and neurotransmitter release mechanisms. Its applications extend to the cosmetic industry, where it is incorporated into formulations aimed at reducing puffiness and improving skin appearance.