Ashwagandha: (Withania somnifera)

Loaded with powerful antioxidants this unique botanical has been known not only to strengthen immune defenses, but its adaptogenic nature helps to relieve stress. While delivering a balanced metabolic boost, naturally adapting to individual needs. You may know that ashwagandha root is popularly known as Indian Ginseng due to its rich medicinal properties. It can help with and strengthen the nervous system, increase stamina, improve mental capacity, promote sleep; plus, enhance and boost male libido. A very important herb and root in ayurvedic medicine.
Wikipedia
PubMed: Ashwaganda improves semen quality by reducing oxidative stress and cell death and improving essential metal ion concentrations.
Pubmed: Results strongly suggest that ashwaganda is a potent anticancer agent.
Trikatu: (Ayurvedic Blend)

Containing fruits of black pepper, Indian long pepper and the rhizomes of ginger this combination is used to stimulate the digestive and metabolism systems creating a natural appetizer while combating indigestion. Other properties of trikatu include antiallergenic, carminative, anti-flatulent, and it acts as a natural antihistamine.
Wikipedia
Pubmed: Trikatu has the capacity to increase the bioavailability of certain Ayurvedic drugs.
Brahmi: (Bacopa monnieri)

Brahmi has been used for centuries in Ayurveda for its ability to decrease cognitive stress. This herb supports clarity and focus while promoting physical relaxation. It is a traditional treatment for epilepsy and asthma.
Wikipedia
Pubmed: findings suggest that Brahmi is a potential cognitive enhancer and neuroprotectant against Alzheimer's disease.
Vindanga: (Embelia ribes)

Not only does this increase metabolism, it is the ideal botanical for keeping your digestive system in pristine condition, enhancing intestinal flora and allowing for optimal nutrient digestion.
Wikipedia
Pubmed: Anthocyanins are known to possess potent anticarcinogenic properties against several cancers thus demonstrating potential for cancer prevention. Vindanga fruits have a high anthocyanin content.
Pubmed: Results showed that Vindanga has potential hypoglycemic effect along with recovery of liver, kidney and pancreas functions.