Manganese (Manganous sulphate, monohydrate):2.2 mg. lodine (Calcium iodate, anhydrous):0.28 mg. Zinc (Zinc sulphate, monohydrate):22.7 mg. Copper (Copper(II) sulphate pentahydrate):1.7 mg. Iron (Iron(II) sulphate monohydrate):3.6 mg.
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