They provide many vitamins including: A, B1, B2, B6, niacin, and C, and are rich in iodine, potassium, iron, magnesium, and calcium.
ðeɪ pɹəvˈaɪd mˈɛni vˈaɪɾəmɪnz ɪŋklˈuːdɪŋ: ˈeɪ, bˈiː wˈʌn, bˈiː tˈuː, bˈiː sˈɪks, nˈaɪəsˌɪn, ænd sˈiː, ænd ɑːɹ ɹˈɪtʃ ɪn ˈaɪədˌiːn, pətˈæsiəm, ˈaɪɚn, mæɡnˈiːziəm, ænd kˈælsiəm.