Researchers have found that limiting the amino acid asparagine in lab mice with triple negative breast cancer reduces the ability of the cancer to spread to distant sites in the body. Foods containing asparagine include dairy, whey, beef, poultry, eggs, seafood, asparagus, potatoes, legumes, nuts. Foods low in asparagine include most fruits and vegetables. The study suggests that changes in diet might impact how a patient responds to therapy and chances of metastasis. Whether the results translates into human diet will require further clinical trials.