Best Answer: Only two VPs have resigned. John Calhoun in December 28, 1832 to run as a senator. On October 10, 1973, Agnew became the second Vice President to resign the office.
Foods Rich in L-Theanine. L-Theanine is an amino acid commonly found in green tea, which is believed to increase alpha waves in the brain, creating a feeling of relaxation, while maintaining mental alertness, Natural News wrote.
PRO. 1  L-theanine, a water-soluble amino acid, is found mainly in green and black tea, and to a lesser extent in mushrooms. 2  L-theanine has demonstrated benefit for patients diagnosed with anxiety by increasing levels of dopamine and GABA in the brain. 3  L-theanine is generally regarded as safe for adults in moderate amounts.-theanine should be used only under a doctorâs supervision if you are taking drugs for chemotherapy because it increases the activity of some cancer chemotherapeutic agents. Do not take L-theanine with cholesterol lowering medications. DOSAGE: 200 to 400 mg once or twice daily. (1200 maximum a day).