Herbs for the Liver
The liver plays a key role in protein metabolism, converting toxic ammonia into more benign urea so that protein may be metabolized and either utilized by the cells immediately for energy, or converted into energy reserves in the form of glucose, or carbohydrates, and lipids, or fats. Among the more common of the hepatic herbs, or those with a tonic effect on the liver, are agrimony, balm, cascara sagrada, celery, cleavers, fennel, horseradish, hyssop, motherwort, prickly ash, yarrow and yellow dock. Bitters like wormwood, golden seal and gentian are also said to benefit the liver's metabolic functions.
Herbs for the Pancreas
The pancreas secretes digestive enzymes that help metabolize dietary macronutrients, including protein, in the small intestines. According to the University of Maryland, herbs that support pancreatic health include cat's claw, grape seed, green tea, holy basil, rhodiola and Indian gooseberry. Certain Chinese herbs that may support the pancreas include Asian ginseng, cinnamon Chinese bark, as well as ginger, licorice and peony roots.
Herbs for the Kidneys
A common characteristic of kidney disease is trouble with blood protein synthesis. A 1995 study on nephrotic patients, or individuals with kidney disease, published in the "Chinese Journal of Internal Medicine" found that two common herbs in Chinese medicine, dong quai, otherwise known as angelica, and astragali, when combined with a high-protein diet, could facilitate improvement in a protein metabolism disorder and raise blood protein levels by increasing protein synthesis.
Ayurvedic Herbs
In Indian ayurvedic medicine, the herbs amalaki rasayan and chyawanprash are often used for their anabolic effects, including promoting protein synthesis. Amalki rasayan, or Emblica officinalis, also known as amla, is said to stimulate protein metabolism and increase total serum protein levels at the expense of fats, encouraging the creation of lean muscle mass. A clinical trial on the use of chyawanprash to improve the immune status of patients with recurring cold and cough symptoms confirmed that it raises total protein levels, another product of anabolic protein synthesis.