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FREQUENTLY ASKED QUESTIONS

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Frequently Asked Questions

Have questions about our products? Check out our FAQ section to get quick and clear answers to the most common queries.

What is PreProtein?

PreProtein is a medical-grade predigested liquid protein developed for healthcare and consumers. It is recommended and used in dialysis, bariatric, oncology, and wound care applications.

Where is PreProtein manufactured?

PreProtein is manufactured in the United States in FDA-registered facilities that adhere to GMP (Good Manufacturing Practices).

When was PreProtein introduced to the market?

PreProtein was introduced in 1976 and initially formulated for hospitals and pharmacies.

What is the source of protein in PreProtein?

Kosher-certified bovine (beef) collagen is the sole protein source in all PreProtein products. PreProtein does not contain any whey or soy.

Who uses PreProtein?

PreProtein is used by everyday individuals, medical professionals, healthcare institutions, and across multiple patient applications.

Does PreProtein need to be refrigerated?

PreProtein does not require refrigeration, even when the container is opened. We suggest storing PreProtein around room temperature. Once opened, we recommend consuming the product within 90 days for maximum potency.

Is PreProtein compatible with feeding tubes?

Yes, PreProtein can be used through a feeding tube. After use, flush with 30-60mL of water.

Where is PreProtein commonly utilized?

It is used in surgical weight-loss centers, dialysis treatment centers, long-term care facilities, hospitals, pharmacies, and by nutrition consultants.

Can PreProtein be mixed?

Yes, PreProtein can be consumed straight from the container or may be mixed with any beverage.

Is PreProtein suitable for diabetics?

All PreProtein products are sugar-free.

What is the viscosity of PreProtein?

PreProtien is a nectar-like liquid (at room temperature). According to the IDDSI classification system, PreProtein is a Level 2.

Is PreProtein suitable for individuals with milk allergies?

PreProtein does not contain whey protein, nor does it contain milk/dairy.
PreProtein

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PreProtein has been a leading choice for consumers, patients, healthcare professionals, and medical facilities since 1976.

brands

  • PreProtein
  • Apetigen-Plus
  • Bio-Immunex
  • Lysiplex-Plus
  • Vasoflex
  • Venaliv
  • Zyncof

Pages

  • Shop
  • About Us
  • Request Samples
  • FAQ
  • Privacy Policy
  • Terms and Conditions
  • Return Policy

Contact Us

Corvis Laboratories (USA 50 States & Int'l)
  • +1 (786) 732-4266
  • +1 (786) 732-4266
  • [email protected]
  • 13192 SW 130th Terrace, Suite 105, Miami, FL 33186
Kramer Novis Pharmaceutical (Puerto Rico & Caribbean)
  • +1 (787) 767-2072
  • Toll Free (855) 335-5637
  • [email protected]
  • PO Box 191775, San Juan, PR 00919

Hours

  • Monday – Friday: 8:00 AM to 5:00 PM
  • Saturday – Sunday: Closed
© 2025 PreProtein | All rights reserved
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
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Lysiplex® B-Complex Liquid
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B-complex liquid multivitamin fortified with Vitamin A, Vitamin C, Biotin, iron, zinc, and L-Lysine.

PreProtein® Liquids
PreProtein® Liquids

Liquid predigested collagen protein designed for consumers and healthcare.

PreProtein® Tablets
PreProtein® Tablets

Vasoflex® Vein Health Tablets
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Daily tablets to maintain leg vein health.

Venaliv® Vein Health Tablets
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Daily Diosmin tablets to maintain leg vein health.

Zyncof® Cough & Cold OTC
Zyncof® Cough & Cold OTC

OTC cough and cold relief, safe for individuals with HBP.

PreProtein has been a leading choice for consumers, patients, healthcare professionals, and medical facilities since 1976.

brands

  • PreProtein
  • Apetigen-Plus
  • Bio-Immunex
  • Lysiplex-Plus
  • Vasoflex
  • Venaliv
  • Zyncof

Pages

  • Shop
  • About Us
  • Request Samples
  • FAQ
  • Privacy Policy
  • Terms and Conditions
  • Return Policy

Contact Us

Corvis Laboratories (USA 50 States & Int'l)
  • +1 (786) 732-4266
  • +1 (786) 732-4266
  • [email protected]
  • 13192 SW 130th Terrace, Suite 105, Miami, FL 33186
Kramer Novis Pharmaceutical (Puerto Rico & Caribbean)
  • +1 (787) 767-2072
  • Toll Free (855) 335-5637
  • [email protected]
  • PO Box 191775, San Juan, PR 00919

Hours

  • Monday – Friday: 8:00 AM to 5:00 PM
  • Saturday – Sunday: Closed
© 2025 PreProtein | All rights reserved
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.