* [[Bromelain]] is a popular natural digestive aid due to it's ability to digest proteins. It's used for bloating, gas and other digestive symptoms and for conditions such as irritable bowel syndrome.
* Bitter herbs : Consuming "bitter" herbs just before a meal can help promote digestive secretions which, of course, aid in proper digestion. According to The Herb Companion, herbs like gentian (Gentiana lutea), barberry root (Berberis vulgaris), dandelion (Taraxacum officinale), and artichoke (Cynara scolymus) are all useful in helping to reduce gas, bloating, and other digestive discomfort associated with indigestion. To go along with this, fennel (Foeniculum vulgare), cardamom (Elettaria cardamomum), dill (Anethum graveolens), cumin (Cuminum cyminum), caraway (Carum carvi), and [[Lemon Balm]] (Melissa officinalis) all help warm up the digestive tract, which facilitates the easy digestion and passage of food through the digestive tract.
* [[Kang Ning Wan]] is a Chinese Herbal Formulas treating a large list of digestion problems.
* [[Miso]] stimulates the secretion of digestive fluids in the stomach.
* [[Zinc]]: Many people are unaware of the important role zinc plays in healthy digestion. An essential mineral for the production of digestive enzymes, zinc is one of the primary catalysts by which the body processes nutrients. Zinc is also a critical component in the renewal of regrowth of intestinal tissue, as well as the production of digestive bile and secretions of both the liver and pancreas.