The government's dietary recommendations are 200 IUs a day up to age 50, 400 IUs to age 70, and 600 IUs over 70. But many experts believe that these recommendations are far too low to maintain healthful vitamin D levels.
Crater Lake National Park. Crater Lake National Park is a United States National Park located in southern Oregon. Established in 1902, Crater Lake National Park is the fifth-oldest national park in the U.S. and the only national park in Oregon. The park encompasses the caldera of Crater Lake, a remnant of a destroyed volcano, Mount Mazama, and the surrounding hills and forests.
Laurel Ridge Trail. Buford Dam Park. Laurel Ridge Trail is a 3.9 mile moderately trafficked loop trail located near Buford, Georgia that features a lake and is rated as moderate. The trail offers a number of activity options and is accessible year-round. 3.9 miles 511 feet Loop.