Dr. Harvey's E-mune Boost Immune Support Supplement is a special formula containing 17 herbs in a base of Bee Pollen, Spirulina, Nutritional Yeast, Lecithin, Garlic, Flax Seed Meal, Kelp and Alfalfa-to be used with any animal whose health is compromised- to help boost the immune system to overcome disease. 8 oz. Jar. Dr. Harvey's whole food supplements are formulated using 100% Human Consumption ingredients and provide the nutritional components that might be missing in your pet's diet.