Plant Nutraceuticals are bioactive compounds that are found in food and nutritional supplements which help prevent disease and have medicinal properties. They help stabilize cellular components and play an important role in defense in the human body’s defense against infections. Nutraceuticals in allergic reactions protect low-density lipoprotein (LDL-C) levels from damage. Vegetables and fruits containing lycopene nutraceuticals have anti-cancer properties. Thus, plant nutraceuticals help prevent diseases and maintain body homeostasis.