Bluebonnet Nutrition - Zinc Picolinate 50 mg. - 100 Vegetarian Capsules Bluebonnet Nutrition Zinc Picolinate 50 mg.provide zinc in a chelate of picolinic acid. Zinc Picolinate 50 mg. is in easy-to-swallow vegetable capsules for maximum assimilation and absorption. Zinc is important for multiple functions including digestion reproduction and immune health. Zinc Picolinate 50 mg. is vegetarian kosher and gluten free.