`Goji Berries: Mother Nature's Vine-grown Vitamins For centuries on end, herbalists in Tibet and Mongolia have recommended small red berries called ‘Goji’ as a remedy for those suffering from a variety of problems. In fact, the people of Tibet and Mongolia hold a two-week annual festival in honor of the goji berry. Many of them have nicknamed the goji berry “happy berry” because in common folklore “to eat goji in the morning will lead to smiles all day”.