The physiological structure of the body relies on the effective and integrated functioning of each of eight vital systems: 1) Cellular System 2) Nervous System 3)Endocrine System 4)Excretory (Cleansing) System 5)Cardiopulmonary System 6)Immune System 7)Digestive System 8)Musculo-Skeletal (Structure) System With the "Vital 8" supplements, we aim to strengthen and support each specific system in order to bring the whole body into the proper balance necessary for optimal health. For each system, we offer both an herbal supplement and a homeopathic one. We recommend using both for maximum synergy. CELL HOMEOPATHIC Promotes healthy cellular function CELL HERBAL Promotes healthy cellular function NEURO HOMEOPATHIC Promotes an effective, efficient and balanced nervous system. NEURO HERBAL Promotes an effective, efficient, and balanced nervous system. MALE ENDO HOMEOPATHIC Encourages favorable hormonal production. ENDOCRINE HERBAL Encourages favorable hormonal production CLEANSING HOMEOPATHIC Promotes effective internal cleansing of the body. CLEANSING HERBAL Promotes effective internal cleansing of the body. CARDIO HOMEOPATHIC Promotes the efficient functioning of the heart, lungs and circulatory system. CARDIO HERBAL Description: Promotes the efficient functioning of the heart, lungs and circulatory system. IMMUNE HOMEOPATHIC Promotes the immune system. IMMUNE HERBAL Promotes the immune system DIGESTIVE HOMEOPATHIC Promotes optimum nutrient absorption and assimilation. DIGESTIVE HERBAL Promotes optimum nutrient absorption and assimilation. STRUCTURE HOMEOPATHIC Promotes healthy bone, muscle, skin and connective tissues. STRUCTURE HERBAL Promotes healthy bone, muscle, skin and connective tissues