Optimal doses of barley as a food or supplement have not been established for any condition. However, to try to lower cholesterol, people have used one of these daily doses: 1  3 grams of barley oil extract. 2  30 grams of barley bran flour.
Still, the very best way to raise your body temperature is to go for a light jog - just get your heart pumping. Jogging/running is one of the easiest ways to get your heart pumping in a short amount of time and works throughout your whole body (as opposed to the heat pad).
If your body temperature rises as high as 107.6Â°F (42 Â°C), you can suffer brain damage or even death. Many factors can affect your bodyâs temperature, such as spending time in cold or hot weather conditions. Factors that can raise your internal temperature include: fever; exercise; digestion; Factors that can lower your internal temperature include: