Vitamin D deficiency is established as <20 ng/mL in adults. So far, there is no established level for infants and children; however, most providers use the adult standard. Some providers go even further and consider all levels <30 ng/mL to define deficiency in children.
Schnapps is a type of distilled spirit that has two meanings. Essentially, schnapps are made by fermenting the fruit along with the base liquor (usually brandy), whereas liqueurs are often made by steeping fruits in alcohol after fermentation and/or distillation.
Peppermint schnapps is a type of liqueur. It is manufactured with a pure grain alcohol base to which peppermint flavoring is added. The liqueur's texture is thick and resembles syrup. It can be consumed over ice or in a number of mixed drinks. This variety of schnapps can also be used when cooking a number of dishes.