Pulsed release caffeine formulations and a process for preparation thereof

A pulsed release caffeine formulation comprising plurality of three to five particulate systems,

• wherein a first particulate system comprises:
• a) caffeine in the range of 63 to 68% w/w of the particulate;
• b) shellac in the range of 2 to 14% w/w of the particulate;
• c) release retarding agent in the range of 1 to 30% w/w of the particulate, wherein the release retarding agent comprises methacrylic acid-ethyl acrylate copolymer;
• and
• d) food grade excipient in the range of 1 to 15% w/w of the particulate, wherein the food grade excipient comprises microcrystalline cellulose,
• wherein a second particulate system comprises:
• a) caffeine in the range of 63 to 68% w/w of the particulate;
• b) shellac in the range of 2 to 14% w/w of the particulate;
• c) release retarding agent in the range of 1 to 30% w/w of the particulate, wherein the release retarding agent comprises shellac;
• and
• d) food grade excipient in the range of 1 to 15% w/w of the particulate, wherein the food grade excipient comprises microcrystalline cellulose, and
• wherein a third particulate system comprises:
• a) caffeine in the range of 63 to 68% w/w of the particulate;
• b) shellac in the range of 2 to 14% w/w of the particulate;
• c) release retarding agent in the range of 1 to 30% w/w of the particulate, wherein the release retarding agent comprises stearic acid;
• and
• d) food grade excipient in the range of 1 to 15% w/w of the particulate, wherein the food grade excipient comprises microcrystalline cellulose.