Eating leek, a vegetable, can strengthen yang. Is this correct?
Amaranth can play the role of strengthening yang and tonifying kidney. Amaranth is also a Chinese medicine. In some pharmacopoeias, it is also called Populus euphratica. "Compendium of Materia Medica" also records that amaranth can tonify liver and kidney, strengthen yang and solidify essence, so eating amaranth properly can play the role of tonifying kidney and strengthening yang.