American Health TAM is an all-natural herbal formula used to promote regularity. This unique blend brings together the holistic properties of cascara sagrada and senna, two popular herbals that help promote regularity. TAM contains no harsh synthetics, so you can be assured of gentle relief. No gluten, yeast or wheat; no milk or milk derivatives; no lactose, soy, egg, corn, grapefruit, sugar or starch; no preservatives, artificial color, artificial flavor or sodium.