Probiotic Formulations ProTab Laboratories offers a wide variety of manufacturing services from our facility in Rancho Santa Margarita, CA. for all tablet, capsule, & powder form products. We strive to provide industry leading service levels and quality control standards that meet all cGMP standards at highly competitive pricing. To reinforce our commitment, ProTab Labs will be expanding to a new 80,000 sq. ft. state-of-the-art facility by early 2014! We will be dedicating a large portion of our new manufacturing operation to climate control, humidity control clean room production capacity. Recognizing that Probiotic tablets, capsules, and powders must be produced and packaged under the most stringent, environmentally controlled conditions, ProTab Labs new facility is being specifically designed to ensure the stability of all probiotic products manufactured.