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About Us

Vitamin C International Consortium Institute – VCICI – is a premier international consortium institute of interdisciplinary and interprofessional highly skilled experts and leading medical practitioners, dedicated to promoting research, providing resources, sharing case studies, facilitating and expanding the original Dr. Robert Cathcart’s high-dose Vitamin C therapy protocol, through educational platforms and training opportunities to improve the knowledge of physicians and practitioners for the ultimate purpose of improving the care of immunocompromised patients with chronic and acute conditions.

2022 VCICI Annual Conference in Clearwater Beach


VCICI’s mission is to advance research and evidence-based, science backed, comprehensive, natural and integrative healthcare treatments to improve and optimize the body’s immune system and reduce treatment related toxicity. 

VCICI is committed to encouraging rigorous scientific evaluation of both pre-clinical and clinical science, while advocating for the transformation of conventional healthcare to integrate evidence-based complementary approaches to incorporate Vitamin C treatments.  

VCICI is dedicated to publishing the latest scientific evidence on high-dose  intravenous infusions of Vitamin C (HDIVC) for various infectious and chronic conditions. In addition, VCICI is focused on disseminating to providers and the general public, information on the importance of medical grade Vitamin C as a dietary supplement in therapeutic application designed to mitigate excessive oxidative stress, resolve hypovitaminosis, and rebalance the immune system for the benefits of patients worldwide.


The vision of VCICI is to promote true integration of allopathic medicine and alternative holistic treatment modalities to provide the safest, most clinically effective and affordable patient care. The goal is to make evidence-based complementary and integrative healthcare accessible and part of standard medical care for patients across the globe.