01 ABOUT PUR-C Sodium Ascorbate Vitamin C






What is PUR-C ?

  • PUR-C™ – The Optimal Professional Grade Vitamin C Solution developed for Patients and sold exclusively to Healthcare Providers.
  • PUR-C is the leading brand of professional grade Sodium Ascorbate Vitamin C products – developed by physicians, recommended by clinicians, and chosen by patients.
  • PUR-C dietary supplement products are manufactured under strict cGMP guidelines with premium medical grade Sodium Ascorbate Vitamin C to deliver optimal purity, potency, bioavailability absorption with maximized tolerability.
  • PUR-C products undergo rigorous 3-stage quality control testing performed by third-party GLP and ISO accredited analytical laboratories. PUR-C products are manufactured and packaged in USA cGMP compliant, audited, and FDA registered facilities.
  • PUR-C products are GMO-Fee and contain NO gluten, wheat, soy, milk, eggs, nuts, shellfish, color, additives, binders or preservatives.
  • PUR-C products offer the purest and most potent form of medical grade sodium ascorbate.
  • ULTRA-C™ and ESSEN-C™ have become the top choice brand for Vitamin C products in the professional healthcare sector for their superior purity, quality, value, increased shelf life, non-refrigerated storage, non-GMO source, and they are naturally buffered and pH neutral.
  • PUR-C products deliver increased patient satisfaction and compliance and optimized clinical efficacy.


PUR-C products are manufactured to the highest standards of quality, purity and potency, while offering the best value on the market. 

Our company is committed to providing our healthcare professionals with unmatched quality product.  Therefore, as part of our pledge to excellence, our third-party independent laboratories perform a multi-stage analytical testing process on each product batch to guarantee superior purity and potency. 

We offer Ultra-Pure and Professional Grades Sodium Ascorbate Vitamin C products as was used in the original protocols published by the renowned Dr. Frederick Klenner, and Dr. Robert Cathcart. 

We adhere to strict cGMP manufacturing guidelines, and all our analytical testing are performed by GLP and ISO certified laboratories.

Our premium products are proudly manufactured, packaged and tested in the USA.

Sodium Ascorbate Vitamin C is naturally pH neutral, has two hydroxyl groups instead of one as in Ascorbic Acid, and it harnesses the cell’s intrinsic sodium depended Vitamin C transporter mechanism which improves intracellular ascorbate ion concentration to deliver Maximum Bio-Availability, Absorption, and Potency.

PUR-C products are Non-GMO, Gluten-Free, Vegan, Kosher, Allergen-Free, and come in a no-waste clear PET bottle with a Full cGMP and USP Certification.

PUR-C products can be conveniently stored in a dark, climate-controlled room, and have up to 24-month shelf-life. 

PUR-C products are sold exclusively to healthcare professionals.

How to determine your optimal ascorbate dose with Dr. Gregory Laurence MD.

Mark Your Calendar – Vitamin C 101 – Complimentary 4-hour live Zoom class to VCICI professional members and current PUR-C providers

Pre-Registration is required.
Recordings are not available or permitted.
We encourage all your clinical staff to participate in this class.
Everyone must be available via video no later than 5:55 PM EST.
No one will be admitted to the class after 6:00 PM EST.
To participate in this class, or arrange for a private class (for a fee), please contact us at

Learning Objectives:

Historical Background – From Scurvy to Infectious disease to Cancer Published VC therapies, Bias, Challenges, Safety, Efficacy Deficiency of VC and Inflammation Know your product – the 3-Ps : Potency, Purity, and pH Conditions Treated Efficacy – Oral vs. IV – Antioxidant vs. Pro-oxidant therapies, Forms of Vitamin C, Side Effects, Contraindications, Testing 101 Targeted & Personalized Medicine : Dosing,
Frequency, Rate, and Duration of Treatments and Long Term Management, Stacking, Combination and Sequence of Adjunct Therapies, Practicing Safe and Effective Medicine, Practical Applications, Routes of
Administration – oral, topical, rinses, solutions, nebulization, Essential Applications of Vitamin C in Dentistry – Mitigating Oral Pathogens, Daily Oral Care, Pre/Post-Surgical Protocols, Q&A

Stop Spraying Glyphosate

Dr. Richard Fleming, PhD, MD, JD is interviewed by Laurie Gagan from 10Letters.org on Toxins, Inflammation, ROS, Heart Disease, and Vitamin C.

2022 Annual VCICI Conference Recording – Available Now

Lior Sher, JD, Founder and CEO of VCICI and PUR-C “Critical C – Vitamin C History, Facts, and Orthomolecular Protocols – From the 1700’s to 2022”

Nathan Goodyear, MD, MD(H), ABAARM, FMNM “Vitamin C in Cancer, Back to the Basics, to Infinity, and to the Scientific Beyond” and “Vitamin C: Beyond the Direct Treatment of Cancer, Surgery, Infection, Lyme, Autoimmune Disease, and Chelation”

Paul Marik, MD “Vitamin C: An Essential Hormone”

Jorge Miranda, BS Biol, BS Pharm, PharmD “Orthomolecular Update of Vitamin C: Dynamics, Kinetics, and Guidelines”

Richard Fleming, PhD, MD, JD “Severe Acute Respiratory Syndrome Coronavirus #2 [SARS0CoV-2] Gain-of-Function Research & What We Currently Know About the Vaccines”

Pierre Kory, MD, MPA “Critical Timeliness of Vitamin C Therapy and the Clinical Efficacy in the Treatment of Acute Conditions”

Marlene Siegel, DVM “Intravenous PhotoDynamic Therapy and Vitamin C as Part of a Cancer Protocol”

Jeff Cohen, JD and Chase Howard, JD “A Legal Look at Vitamin C Therapy: How Providers Can Stay Safe”

Joseph Mercola, DO: “Adjunctive Therapies to Improve Responses from Vitamin C”

top fifteen reasons to buyAMAZING FEATURES

  • Increased Bioavailability
  • Maximum Potency
  • Improved Clinical Efficacy
  • Rapid Delivery = Increased Revenues
  • Full cGMP Certification
  • 100% Pure Pharmaceutical Grade USP-FCC Certified
  • Pre-Buffered (pH 7.1) Bacteriostatic Crystalline Powder
  • Non-GMO Source Vitamin-C
  • Quick & Easy 1-minute Prep Time
  • No-Waste Clear PET Bottle
  • 24-Months Shelf Life
  • Stores in Room Temperature
  • 50 gram Sodium Ascorbate Crystalline Powder in Each Bottle
  • 150 bottles per case
  • 100% Made in the USA