Vegetables that contain folic acid include green peppers, spinach, coriander, lettuce, etc. and fruits include avocados, avocados, mandarins, mangoes, etc. Folic acid, also known as vitamin B₉ and vitamin M, was originally isolated and extracted from spinach leaves, hence the name folic acid. Every 100 grams of green peppers, spinach, coriander, lettuce, avocado, avocado, citrus, and mango contain about 229, 194, 177, 136, 89, 81, 39, and 43 micrograms of folic acid, respectively. Compared with vegetables and fruits, beans such as cowpeas, mung beans and adzuki beans are richer in folic acid, with folic acid content of more than 600 micrograms per 100 grams. In addition, animal liver is also rich in folic acid, such as duck liver per 100 grams of folic acid content of about 738 micrograms. If you are deficient in folic acid, you should choose a suitable supplement program and take the right amount of supplement under the guidance of a professional doctor.