Scientists have found that milk thistle extract can reduce oxidative stress and its resulting cytotoxicity, thereby protecting intact or damaged but reversible liver cells.

The black elderberry​, a well-known traditional herb in Western Europe and North America, has been used for centuries in the health sector.

Rosemary leaves have many uses, such as health care, refreshing, lowering blood sugar, convergence and other effects, eliminating flatulence, enhancing memory, refreshing, relieving headache symptoms, improving the phenomenon of hair loss.

Frankincense may reduce symptoms associated with menstruation and menopause by balancing hormone levels, although research on this topic is limited. It is used to help relieve pain, cramps, constipation, headaches, anxiety, nausea, fatigue and mood swings. Frankincense may also help regulate estrogen production and may reduce the risk of tumors or cysts developing in premenopausal women.

Herbal nootropics can help improve mental and intellectual cognition. Rhodiola benefits the brain by providing a subtle mental stimulation. Research suggests that this enhanced cognitive function is especially noticeable when exposed to rib stress or dealing with chronic stress and fatigue.

Cordyceps sinensis can inhibit the proliferation and transformation of lipid storage cells in the liver, reduce the deposition of collagen fibers in the Dieldrin space, and effectively prevent the liver fibrosis induced by carbon tetrachloride in rats.

According to the European Food Safety Authority (EFSA), the European Union recently assessed the exposure of rosemary extract as a food additive.