For nearly 1,000 years practitioners of traditional Chinese practices have treasured wolfberry (also known as goji berry) as a yin tonic to strengthen the eyes, liver and kidneys and to promote overall vitality. Swanson Full Spectrum Goji Berry delivers 1 gram of goji berry nutrition in go-anywhere capsules. Modern science has revealed that wolfberry is packed with polysaccharides and other antioxidant phytonutrients with a wide range of health benefits throughout the body.