It also contains high levels of zinc, selenium, magnesium, and calcium, which are essential for strengthening bones. (wellnessnova.com)
In addition, maple syrup features high levels of zinc and manganese, keeping the heart healthy and boosting the immune system. (puremaplefromcanada.com)
That's not all, grass - fed beef also contains higher levels of zinc, iron, phosphorus, sodium, and potassium. (truehealthct.com)