claim: Zac Efron is Japanese.
evidence: Magnesium lactate , the magnesium salt of lactic acid , is a mineral supplement .. magnesium. magnesium. salt. salt ( chemistry ). lactic acid. lactic acid. mineral supplement. Dietary mineral. Added to some food and beverages as an acidity regulator and labeled as E329 .. E329. E number. Category  : Magnesium compounds. Category  : Lactates