Yes, it is completely safe to consume goji berries on a regular basis, as they are very rich in vitamins and antioxidants. Goji berries are widely used as traditional herbal medicine in Japan, Korea, and China. It has anti-aging properties in it, which is good for eye vision, and liver and kidney functioning. Goji berries consist of L. barbarum polysaccharides, which make it powerful for medicinal purposes as well.