Soak pot roast in vinegar and water for ... onions in the roast bag along with the roast. Cook for 1 hour or until meat is tender and thoroughly cooked.
1 Foods that are high in protein are often high in lysine. 2  However, too much protein may interfere with tryptophan in the bloodstream, an important precursor to serotonin. 3  Lysine-rich foods include meat, cheese, fish, nuts, eggs, soybeans, spirulina, and fenugreek.erotonin is a neurotransmitter, or chemical in your body that relays messages to your brain. The brain produces serotonin by combining tryptophan hydroxylase and tryptophan to form 5-hydroxytryptamine (i.e., serotonin). Almost 90% of your bodyâs serotonin supply is located in the digestive system and blood platelets.
Getting Physical. Exercise is one way to increase your body's production of serotonin. Not only does exercise increase the amount of serotonin released into your brain, but it also increases the amount of tryptophan in your brain, the amino acid that is the precursor of serotonin.ryptophan can get into the brain, however. Thus, eating foods high in tryptophan -- such as meats, bananas, nuts, seeds, tofu, eggs, dark chocolate and lentils -- indirectly increases the amount of serotonin in the brain.