Deism is the belief in a creator, who made the world but does not take a personal interest in it -- doesn't require worship, answer prayers, judge behavior, or necessarily promise a life after death (unless that was part of the original creation).
Herbal supplements are a type of dietary supplement that contain herbs, either singly or in mixtures. An herb (also called a botanical) is a plant or plant part used for its scent, flavor, and/or therapeutic properties.
Herbal medicine is the use of plants for their medicinal and healing constituents and properties, and is a healing modality and tradition that is perhaps the oldest healing practice on the planet. Humans have been making use of the healing properties of plants since the dawn of our species.