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High Quality, ​
Medical-Grade​
Liquid Collagen Protein​

A favorite protein choice for consumers​ and healthcare for over 40 years.​

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B-Complex
Liquid Vitamins​

Apetigen-Plus® helps stimulate the appetite*.
Vitamin B-complex fortified with iron, zinc, and L-Lysine.
Recommended for adults and children over 4 years of age.
Citrus flavor and used by healthcare​​.​
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Optimize Your​
Leg Vein Health*

Vasoflex® is formulated to help support leg vein health for both men​ and women in a daily dose supplement*. ​

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Welcome to Corvis Laboratories

Corvis Laboratories utilizes the best resources and technologies available to make patient's lives healthier. For over four decades, we have been delivering innovative nutritional support and OTC (over-the-counter) products trusted by patients, healthcare professionals, and medical facilities.

Shop our Products​ ​

Protein
Supplements

Multivitaminl
Multimineral

Nutritional Supplements

OTC

Cough & Cold​

Vein Health​

Products

Nail​ Health

Products

Top Sellers

Consumer Products

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PreProtein 15g® Liquid

$24.00 – $280.00Price range: $24.00 through $280.00
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PreProtein 18g® Liquid

$24.99 – $34.99Price range: $24.99 through $34.99
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Apetigen-Plus® Tablets

$26.99
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Apetigen® Liquid

$32.99
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Bio-Immunex®

$40.95
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Vasoflex D1®

$29.99
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Vasoflex®

$29.99
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Vasoflex Forte®

$29.99
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Vasoflex HD®

$29.99
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Apetigen-Plus® Liquid

$24.99 – $499.99Price range: $24.99 through $499.99
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Venaliv®

$46.00
Experience Our Products

PreProtein samples for medical professionals​

Request PreProtein unit dose samples for your healthcare facility. Fill out the form and a sales representative will reach out.

Request Samples

Shop our Products

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Apetigen® Liquid

$32.99
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PreProtein 18g® Liquid

$24.99 – $34.99Price range: $24.99 through $34.99
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PreProtein 15g® Liquid

$24.00 – $280.00Price range: $24.00 through $280.00
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Apetigen-Plus® Tablets

$26.99
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Apetigen-Plus® Liquid

$24.99 – $499.99Price range: $24.99 through $499.99
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Bio-Immunex®

$40.95

What Makes Us Unique

Corvis Laboratories is a provider of clinical nutrition and OTC products primarily designed​ for healthcare and consumers.
Our primary goal is bettering the health of patients and individuals.

Made with care

Advanced Formulas For over 40 Years.

Improving the Health of Patients and Consumers

Our dedicated team focuses on innovative and easy ways for patients and consumers to ​meet their nutritional goals.

Trusted by healthcare professions.

​ Used by healthcare systems

Several of our brands from PreProtein liquid protein to Apetigen-Plus B-complex ​liquid multivitamin are recommended by doctors, registered dietitians, directors of nursing, ​wound care nurses, clinicians, and are used by hospitals, skilled nursing facilities, dialysis treatment ​ centers, oncology clinics, and surgical weight-loss practices.

Quality and Trusted Formulations

All our products are manufactured in the United States in FDA-registered pharmaceutical manufacturing facilities that adhere to current Good Manufacturing Practices (GMP). This ensures that all products are consistently manufactured.

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Protein Supplements

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Vein Health Supplements

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Vitamin and Mineral Supplements

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Cough & Cold OTC

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Shop Corvis Laboratories Retail Partners for Our Products Conveniently Delivered to You

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preproteinliquids

Pre-Protein® Producto/servicio Medical-Grade liquid proteins since 1976. Used by health systems, made in USA, and recommended by dietitians and healthcare professionals.

Power in a practical size. The liquid protein you Power in a practical size.
The liquid protein you love, now in its 30g version, ready to go wherever you do.
Looking for a protein that truly makes a differenc Looking for a protein that truly makes a difference? Here are 5 reasons to choose PreProtein and never look back.
Great news! You can now get your liquid PreProtein Great news!
You can now get your liquid PreProtein directly on Amazon.
Power up your day with fast-absorbing liquid prote Power up your day with fast-absorbing liquid protein.
Each shot of PreProtein 15® gives you strength, recovery, and results without complications.
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Corvis Laboratories, a leader in OTC and nutritional supplements, has provided innovative health products since 1976.

Products

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

Pages

  • Shop
  • About Us
  • Contact Us
  • Request a sample
  • Privacy Policy
  • Terms and conditions

Contact Us

  • +1 (786) 732-4266
  • +1 (786) 732-4266
  • [email protected]
  • 13192 SW 130th Terrace, Suite 105 Miami, FL 33186

Hours

  • Monday – Friday: 8:00AM to 5:00PM EST
  • Saturday – Sunday: Closed
© 2026 Corvis Laboratories | 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.
  • Home
  • About Us
  • Where to Buy
    • Shop PreProtein Store
    • PreProtein Retailers & Distributors
  • Healthcare Professionals
    • Request PreProtein Samples
  • Contact Us
    • Contact US Distribution
    • Contact Caribbean Distribution
    • Wholesalers & Partnering
Brands​
View all
Apetigen®
Apetigen®

Multivitamin-Multimineral Appetite Support Supplements

Bio-Immunex®
Bio-Immunex®

Proprietary Arabinoxylan Plus® Daily Capsule Immune Support Blend

MycoNail®
MycoNail®

Topical Nail Solution

PreProtein®
PreProtein®

Liquid Proteins Trusted by Consumers and Healthcare

Vasoflex®
Vasoflex®

Leg Vein Health Daily Tablets

Venaliv®
Venaliv®

Circulatory and Leg Vein Health Daily Tablets

Corvis Laboratories, a leader in OTC and nutritional supplements, has provided innovative health products since 1976.

Products

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

Pages

  • Shop
  • About Us
  • Request a sample
  • FAQ
  • Privacy Policy
  • Terms and conditions

Contact Us

  • (786) 732-4266
  • [email protected]
  • 13192 SW 130th, Terrace, Suite 105 Miami, FL 33186

Hours

  • Monday – Friday: 8:00 AM to 5:00 PM
  • Saturday – Sunday: Closed
Copyright © 2024 Corvis Laboratories - 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.