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  It constitutes between 1 and 2 percent of the dry weight of tea. L-theanine should be used with caution in patients on anti-hypertensive medicines, because it decreases blood pressure. 2  L-theanine is found naturally in both green and black tea, so I prefer drinking the tea instead of taking the supplement.