Our Products Are 


We are all about helping our animal family through

quality, results and affordability.

As featured in

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PureSummit E




PureSummit LC

(Large Canine)



PureSummit SC

(Small Canine)



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PureSummit F



Real people, sharing real results.

Are you ready to help your family of horses & dogs feel their best?

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The PureSummit Promise

With pet health and overall wellness for your animal family in mind, the development of Eternapure products are driven by quality, innovation, and a passion. PureSummit products are made with the highest quality ingredients.

If you are not satisfied with the PureSummit product, please reach out to us for a refund. The Eternapure Satisfaction Guarantee is valid only for first-time buyers of  any PureSummit product 4-Pack, and is redeemable within 30 days of purchase. Value Packs, subscriptions and shipping costs are non-refundable. Offer does not apply to purchases placed during the Pre-Launch Program, prior to March 1st, 2021.  

If you are not satisfied with the PureSummit product, please reach out to us for a refund. The Eternapure Satisfaction Guarantee is valid only for first-time buyers of  any PureSummit product 4-Pack, and is redeemable within 30 days of purchase. Value Packs, subscriptions and shipping costs are non-refundable. Offer does not apply to purchases placed during the Pre-Launch Program, prior to March 1st, 2021.  

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WHAT IS PureSummit 


Using a Liposomal delivery system designed to maximize bioavailability, PureC4S is a Chondroitin 4-Sulfate Dietary Supplement specifically formulated to help:

- Support normal inflammatory markers in the body

- Benefit joint mobility

- Encourage flexibility

- Support joint structure and function

- Optimize athletic performance

- Promote healthy circulation

- Assist recovery and healing processes


HOW DOES PureSummit work?

The acidic stomach environment is a danger zone for the fragile yet powerful chondroitin molecule. 


Unlike other joint products which are typically obliterated in the stomach before absorption can occur, our Liposomal carrier particles wrap around our Chondroitin to protect it from damage.

Stored safely in the core of the liposome, it arrives safely to the intestinal tract where it can be absorbed and take effect. At this time the lipids that the liposome is comprised of are also absorbed.


Lipids become nutrition for your brain, liver, and cells, as they are a critical component to the body.

Structure of a Liposome:

Nature's Perfect Delivery Package

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Chondroitin 4-Sulfate Molecules

Hydrophilic Core

Phospholipid Bilayer


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Unlike most joint support supplements, PureC4S is scientifically formulated to produce effective, powerful, and lasting results... FAST!

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Strength of Dosage
It’s not about quantity, it’s about quality! PureC4S is formulated to maximize the delivery, protection and rapid absorption of the highest quality Chondroitin 4-Sulfate, so you can take less frequently, and benefit from greater results.
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Speed of Efficacy
Tired of hoping your supplement plan will pay off? Feel like you’re in a race against time? PureC4S is designed to be effectively absorbed, benefiting the body in days, not months.
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PureC4S is derived from the highest quality bovine cartilage, free from contaminants that may inhibit absorption, while most Chondroitin supplements are derived from shellfish, a common allergen which can cause hypersensitivity.
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Mode of Delivery
PureC4S uses a patented liposomal delivery system specifically designed to protect and deliver PureC4S safely through the dangerous stomach environment, where most supplements break down. These liposomes are manufactured with lipids derived from the finest natural, non-GMO sunflowers, without heat or pressure.
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Chondroitin 4-Sulfate 400 mg per serving (1 fl oz / 29.5 mL)

Purified Water

Natural Flavors

Non-GMO Sunflower Lecithin

(Essential for production of Liposomes)

Stevia Leaf Extract

(as Glucosylsteviosides), for flavoring


Potassium Sorbate

(For Preservation)




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The feeling of pure results.

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At Eternapure, we believe everyone deserves the opportunity to reach their full potential, pursue lifelong health, age gracefully, and live each day to the fullest.


Our purpose is to improve the lives of those around us, from our products, to the ways in which we give back to our community and yours.


Our focus is to create, live and work with the same integrity and same authenticity we use to produce our products.

The use of pure ingredients.

The art of pure innovation.

The dream of pure possibility.


Q: Do I need a prescription to buy PureC4S?

A: PureC4S is a supplement with all-natural active ingredients  and does NOT require a prescription.

Q: Is PureC4S safe to take with prescription medications?

A: There are no known contraindications or drug interactions for PureC4S, but as always, please consult your doctor if you have any doubts about combining PureC4S with the prescriptions you are currently taking.

Q: How frequently should I take PureC4S?

A: PureC4S is intended to begin with a 4-dose Loading Series. Consume one dose every four days to complete the initial four-dose protocol. Follow with the Maintenance Protocol recommended for your individual needs, as outlined on this page. (More information here)

Q: How many servings are contained in a bottle?

A: Each bottle of PureC4S is intended as a single-dose serving, and should be consumed entirely within 24 hours after opening.

Q: For whom was PureC4S created?

A: PureC4S was formulated to support individuals of all ages, but is not intended for pregnant or nursing women. Those under 18 years of age should consult their qualified healthcare provider prior to use.

Q: Is PureC4S safe for dogs?

A: Although there are no ingredients in PureC4S known to be damaging for dogs, PureC4S is specifically formulated for human use.

Q: Does Eternapure make products for animals?

A: Stay tuned! Special formulations designed specifically for equine, canine and feline oral use by our animal health partner Summit are coming soon! 

Q: Is PureC4S TSA compliant for carry-ons at the airport?

A: Yes. PureC4S comes in a convenient 1 fl oz / 29 mL bottle that is permitted on all airlines.

Q: Where can I buy PureC4S?

A: During the month of January, PureC4S is only available for purchase through a Summit Joint Performance Representative.

Q: Does PureC4S contain any artificial sweeteners?

A: No. PureC4S is all-natural and contains no artificial sweeteners. 

Q: Can someone with an allergy to nuts or sunflower seeds use this product safely?

A: PureC4S is manufactured from non-GMO sunflower products, therefore is not recommended for individuals with a sensitivity to sunflower oils or proteins. Although sunflower seeds are not tree nuts and come from a family not closely related to nut bearing trees, it is recommended you speak to your healthcare provider regarding your individual needs. (More information here)

Q: I was late to take one of my doses in the initial Loading Dose Series. Does this mean I have to start again?

A: No. The PureC4S 4-dose Loading Protocol is designed to encompass a 16 day period to promote the best possible results. However, in the event you are a few days late with a dose, simply take it as soon as possible. Continue with the remaining doses in four day intervals until the 4-dose Loading Series is completed. Follow with appropriate Maintenance Protocol for your individual needs.

*DISCLAIMER: The information presented on this site is in no way intended as medical advice or as a substitute for medical treatment. You should always consult with your physician or other health care professional before taking any nutritional supplement or adopting any treatment for a health problem. If you have or suspect that you have a medical problem, promptly contact your health care provider. Consult your doctor before use if you have, or have had, any health condition or if you are taking any medications or remedies including OTC medications, or are planning any medical procedures. Discontinue use or consult your doctor if any adverse reactions occur. THE STATEMENTS, SERVICES, AND PRODUCTS SOLD ON THIS WEBSITE HAVE NOT BEEN EVALUATED NY THE UNITED STATES FOOD AND DRUG ADMINISTRATION (FDA) AND ARE NOT INTENDED TO DIAGNOSE, TREAT, CURE OR PREVENT ANY DISEASE.

Have a question for Eternapure? Fill out the form below or contact us at info@eternapure.com 
One of our knowledgable team members will be happy to to get back to you within 48 business

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a try.

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