With traditional Vitamin D pills only 10-20% of the Vitamin D gets absorbed. Bio-D Supreme Spray is an oral delivery spray that assures you absorb vitamin D quickly and thoroughly with the perfect nutritional balance every time. Many researchers estimate that over 90% of Americans are vitamin D deficient, which could lead to catastrophic health consequences. Bio-D Supreme with optimizer and cofactors can help strengthen your immune system, avoid sickness, strengthen bones, elevate mood, boost energy, relieve pain and improve cardiovascular health. Order Bio-D Supreme with patented spray technology for superior absorption and get the vitamin D your body needs.