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Human
Pet
  • Ahiflower®
  • Bimuno®
  • Curcumin 95
  • curQ+®
  • Collagen
  • ESC®
  • Humiome® Post LB
  • NEM®
  • OVOLUX™
  • OraCMU™
  • sageXtra™
  • Curcumin 95
  • ESC®
  • NEM®
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Upcycled Eggshell Calcium

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Better digestive comfort with higher absorption levels and lower heavy metal counts.
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Walk on sunshine – not eggshells – with ESC.


ESC® brand eggshell calcium is sourced from one of nature’s purest forms of calcium, naturally low volume in heavy metals. Eggshell calcium also contains transport proteins that improve absorption compared to mined calcium carbonate.

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Quick Facts

Story

Responsibility

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Lower than California Prop 65 heavy metal standards by

50X

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Naturally compliant to stringent California Proposition 65 maximum levels for this many heavy metals

4

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Our company’s origin is a humble one. After the Korean war, a man from the Midwest began selling eggs out of the back of his family’s station wagon.

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Our founder worked diligently for forty years and built the largest chicken operation in the Midwest.

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He became tired of watching loads of eggshells head to landfills and began searching for ways to recycle them.

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After years of R & D, a patented process to separate the membrane from the outer eggshell was created, leading to NEM and ESC – both now improve millions of lives.

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Helps divert 2 million lbs of eggshell waste from landfills each year.

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The only byproduct is steam from the patented manufacturing process.

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Better Absorption

Transport proteins in eggshell calcium improve absorption.*

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Low Heavy Metals

Withstands California Prop 65 & USP requirements for heavy metals.

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Upcycled Certified™

ESC is made with upcycled eggshells.

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Food-Based

Natural, food-based ingredient that avoids typical digestive discomfort.*

Substantiation is like product launch insurance and we have a whole lot of it. Save yourself the time and headache with our in-depth, ready to use science.

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Better Absorption

Transport proteins in eggshell calcium improve absorption.*

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Low Heavy Metals

Withstands California Prop 65 & USP requirements for heavy metals.

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Upcycled Certified™

ESC is made with upcycled eggshells.

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Food-Based

Natural, food-based ingredient that avoids typical digestive discomfort.*

Overview
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ESC is one of nature’s purest forms of calcium and provides an edge to your formulation. It is California Prop 65 compliant in all four heavy metals tested at the full daily value for calcium of 1300 mg per day.* In a comparison study of lead levels, ESC’s levels were more than 50 times lower than the California Prop 65 standard and more than 1,000 times lower than USP (United States Pharmacopeia) limit for Nutritional Supplements.

Key Benefits
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  • Ultra-pure calcium from eggshells providing naturally occurring trace minerals such as strontium, zinc, phosphorus & boron.
  • ESC is far below common standards for heavy metals, including lead, mercury, arsenic & cadmium, meaning no toxic heavy metal concerns.
  • ESC calcium from eggshells is a pure, natural, food-derived source of calcium.
  • Easy to digest.
  • Adequate Calcium and Vitamin D throughout life, as part of a well-balanced diet, may reduce the risk of osteoporosis.
  • Contains transport proteins for improved absorption over mined calcium carbonate.

Science/Studies
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Our research helps identify new opportunities for our brand partners to grow their product lines. We are here to help your business do the same.

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Safety & Quality
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ESC is ultra-pure eggshell calcium carbonate, without excipients, fillers or other additives and is 50 times lower than California Prop 65 heavy metal limits for lead at 100% of the daily value for calcium. ESC is manufactured in the USA within FDA-inspected facilities using an environmentally friendly patented manufacturing process. Every lot of ESC undergoes “release” testing which includes; verifying it is low in toxic heavy metals and ensuring it is free from pathogenic bacteria. Our attention to detail and passion for assisting our finished product partners in creating high-quality, effective products can be seen within every step of our commercialization process.

  • Ovo-vegetarian

Awards
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  • 2013 Better Nutrition Magazine Best of Supplements Award Winner – Membrell BONEhealth plus D3 & K2 containing ESC®

Who has time to walk on eggshells? If you’re looking for egg-ommendations to egg-nite your next product’s formulation with the purest forms of calcium, we’ve got you covered.

ESC can be formulated into a superior basic bone health formula or it can be used as part of a multi-vitamin/mineral formula. Below is a variety of suggested deliver format options for ESC to help meet the needs of your consumers.

Applications

Categories

Applications
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Applications Categories
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Powders

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Gel Caps

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Capsules

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Food

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Gummies

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Beverage

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Emulsions

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Confections

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Bone Health

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Healthy Aging

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Ovo-Vegetarian

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Sustainable

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Women's Health

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Jen Dieter

Pro Games Athlete

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Brooke Haas

Pro Games Athlete

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Our Ingredient Ambassadors Are Yours.

We believe that sharing is caring and one additional way we are more than just an ingredient company is by supplying our brand partners with access to our Ingredient Ambassadors. It’s our way of saying, “We’re in this together.”

Ready to talk about ESC?

Let’s rock out to this low heavy metal ingredient together. All we need to start is for you to fill out this form.

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Ingredients

Human

  • Ahiflower®

  • Bimuno®

  • Curcumin 95

  • curQ+®

  • Collagen

  • ESC®

  • Humiome® Post LB

  • NEM®

  • OVOLUX™

  • OraCMU™

  • sageXtra™

Pet

  • Curcumin 95

  • ESC®

  • NEM®

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Carthage, MO 64836


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*These statements have not been evaluated by the U.S. Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

© 2026 Stratum Nutrition, all rights reserved.

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*These statements have not been evaluated by the U.S. Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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