Nutrivit® Puri-D® is the gold standard for purity

Patented One-Step Process for Superior Purity and Cost Savings

Our patented enzymatic conversion process sets a new gold standard for vitamin D purity. By using a highly specific proprietary enzyme, we convert vitamin D3 into its 25-hydroxy form with no side reactions.

This streamlined approach eliminates the risks associated with multi-step fermentation then purification methods by removing steps that can cause:

  • Variability
  • Contamination
  • Supply Chain Uncertainty

THE RESULT: a high-purity, hormone-free calcidiol product you can trust, backed by science.

Efficiency that delivers real value

Our single-step process eliminates unnecessary steps and contamination risks, delivering a clean product without the need for additional processing.

By reducing the steps in manufacturing, we save money and pass those savings directly to our customers.  

  • Every batch is produced in the only vertically integrated, pharma-grade 25 Hydroxy Vitamin D facility in the world.

  • With our single-step enzymatic conversion process, there is almost zero risk of containing the 1,25 hormone

  • Every batch is 3rd party tested, and we’ve never had a single rejection. Ever.

Unlock the full potential of vitamin D with Nutrivit® Puri-D® 

Faster Absorption – Heads straight to the kidney for immediate effectiveness.

Superior Health Benefits – Supports bone strength, immune function, and overall health.

Higher Yield & Performance – Boosts productivity and profitability in livestock operations.

State-of-the-Art Production – Produced through enzymatic conversion characterized by high yield and exceptional purity.

How Nutrivit® Puri-D® works

Nutrivit® Puri-D® was developed for more efficient absorption of 25(OH)D3. Unlike traditional vitamin D3 supplements, Puri-D® bypasses the liver and is rapidly converted into 1,25(OH)2D3 in the kidneys, leading to improved vitamin D status and enhanced performance across multiple species.

Use Nutrivit® Puri-D® for healthier, stronger and more profitable birds

Optimized vitamin D bioavailability leads to superior poultry performance including:

  • Reduced incidence of leg issues
  • Improved feed conversion ratio (FCR) and body weight gain
  • Increased breast meat yield

* Different letters show treatment differences are statistically significant (p<0.01).

  • Treatments fed full or half dose of Nutrivit® Puri-D® exhibited higher circulating levels of 25(OH)D3 vs Control
  • Feeding half dose had no effect on performance
  • Circulating level of 25(OH)D3 was in proportion to the inclusion rate

Sows and their piglets thrive with Nutrivit® Puri-D®

Improve the health and performance of weaned piglets with higher levels of circulating 25(OH)D3 levels, including:

  • Immunity
  • Antioxidant Status
  • Intestinal morphology
  • Bone quality

Supplementing maternal sows with dietary 25(OH)D3 leads to:

  • Increasing sow productivity and milk quality
  • Enhanced bone characteristics
  • Promoting skeletal muscle development
  • Strengthening immunity and gut health

Increase milk production and improve dairy cow health with Nutrivit® Puri-D®

The transition period is a critical time for dairy cow mothers and calves. Nutrivit® Puri-D® helps improve calcium absorption, reducing the risk of hypocalcemia and improving your bottom line. Count on Puri-D® for:

  • Increased milk production
  • Stronger bones
  • Improved calcium and phosphorus absorption
  • Enhanced immune system support

Chemlock Nutrition: Science-Backed Quality You Can Trust

Produced via a state-of-the-art proprietary process

Nutrivit® Puri-D® is produced through enzymatic conversion characterized by high yield and high purity.

  • Produced in a cGMP pharmaceutical facility
  • Enzymatic conversion process with zero sterols
  • World-class vertically integrated operation
  • Contamination and supply chain risk minimized

  • OMRI approved

We manufacture all our ingredients in world-class facilities with essential third-party certifications. We proudly call many of America’s largest feed manufacturers and integrators our customers. Our End-to-End Full Stack Quality® (E2EFSQ) program ensures that you can trust every batch, every time.  All our products have a 100% Quality Guarantee.

Also from Chemlock Nutrition

Nutrilock® Chromium, a water-soluble, highly bioavailable form of chromium, helps improve glucose utilization and reduce the negative impacts of stress for increased cellular energy.

Nutrilock® TB[C]C is a less reactive and more bioavailable form of copper than other inorganic forms. Copper is an essential trace mineral in animal diets for numerous physiological metabolic processes.

Nutrilock® TB[M]C is a highly stable form of manganese that is less reactive to other ingredients in the premix than other inorganic forms. Manganese is an essential trace mineral in animal diets for the production of the organic matrix of bones.

Nutrilock® TB[Z]C is a highly stable, less reactive, and more bioavailable form of zinc than other inorganic forms. Zinc is an essential trace mineral in animal diets for protein synthesis, carbohydrate metabolism, and reproductive function.

Simplify caring for fresh cows and reduce dyscalcemia with CalBal® [Pro] . By eliminating the need for urine pH testing and ongoing ration balancing, dairy operators can save on labor costs and increase milk production at the same time.