Peppermint, a source of small amounts of menthol, is believed to work by acting on receptors in the nasal mucous membranes, leading to a reduction of nasal stuffiness. Eucalyptus oil is often used in a steam inhalation to help clear nasal and sinus congestion.
Vitamin D is essential for maintenance of bone mineralization through the regulation of calcium and phosphorus homeostasis. Vitamin D also exhibits many non-skeletal effects, particularly on the immune, endocrine, and cardiovascular systems.
The foods we eat contain a variety of vitamins, minerals, and other important nutrients that help keep our bodies healthy. Two nutrients in particular, calcium and vitamin D, are needed for strong bones.1  The Role of Calcium. 2  Calcium Culprits.3  Calcium Supplements. 4  Vitamin D. 5  A Complete Osteoporosis Program.6  For Your Information.wo nutrients in particular, calcium and vitamin D, are needed for strong bones. 1  The Role of Calcium. 2  Calcium Culprits. 3  Calcium Supplements. 4  Vitamin D. 5  A Complete Osteoporosis Program. 6  For Your Information.