Patent ID: 8703187

Claim:
A method of manufacturing calcium carbonate/vitamin D tablets comprising: forming a premix comprising a mixture of vitamin D granulation and silicon dioxide; adding a calcium carbonate granulation to said premix to form a first vitamin D/calcium carbonate granulation mixture, wherein the calcium carbonate granulation has a median particle size within ±40% of the vitamin D granulation; mixing and sieving the first vitamin D/calcium carbonate granulation mixture to form a sieved first vitamin D/calcium carbonate granulation mixture; blending the first vitamin D/calcium carbonate granulation mixture in a V blender to form a blended first vitamin D/calcium carbonate granulation mixture; dividing the blended first vitamin D/calcium carbonate granulation mixture into four equal portions and adding calcium carbonate to each portion to form a second vitamin D/calcium carbonate granulation mixture; blending the second vitamin D/calcium carbonate granulation mixture in a V blender; and, forming tablets from a composition comprising the second vitamin D/calcium carbonate granulation mixture.