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Isotonix OPC-3® for Adults & Children Ages 4+

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Isotonix OPC-3® for Adults & Children Ages 4+

World's Most Powerful Antioxidant Bestseller for Over 30 Years Only Isotonic Pycnogenol® in the World 18 Million Sold Worldwide

by: Isotonix®

4.6

(391)

$74.95 USD

Single Bottle (90 Servings)

SKU: 13009

Buy Now: $74.95 USD
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  • Feel Young and Stay Healthy with Isotonix OPC-3®

    Results matter. With the unmatched 95% nutrient delivery of Isotonix OPC-3®, feel the life-changing difference in your energy, muscles and joint performance. 

    Powered by Pycnogenol®—nature’s most powerful antioxidant—this formula aids oxygen delivery, fuels vital organs and combats signs of aging. Outperforming any conventional antioxidant on the market, discover this ultimate supplement designed for your health and longevity!

  • Active Ingredients: Grape seed extract, pine bark extract (Pycnogenol®), red wine extract, bilberry extract, citrus bioflavonoid complex

    Other ingredients: Fructose, glucose, citric acid, potassium bicarbonate, maltodextrin, silica, calcium sulfate, food starch (modified), apple pectin, stearic acid.   

Formulated as the best antioxidant

Validated by research

20x

stronger than vitamin C

50x

stronger than vitamin E

95%

intestinal nutrient delivery for max absorption

image of opc3 nested inside mossy bark

The Super Antioxidant in OPC-3, Pycnogenol®‡

Isotonix OPC-3 contains the only isotonic form of Pycnogenol® in the world. Pycnogenol® is a natural plant extract from the bark of the French maritime pine tree and the most clinically researched and potent bioflavonoid.

Product Classifications

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Gluten-Free

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No Detectable GMO

image of glass containing liquid

Isotonic

image of Vegan

Vegan

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Good Manufacturing Practices

image of a bottle of milk with a line through it

Dairy Free

image of OPC-3 Powder

How Isotonix OPC-3 Works

Isotonix OPC-3 contains bioflavonoids, plant compounds that support cardiovascular health, healthy circulation and skin, joint and tissue integrity; it uses a unique Isotonix delivery system for fast, effective absorption and includes scientifically proven antioxidants to fight free radicals, making it one of the most powerful products available.

Directions for Use

Image of person pouring one level cap of Isotonix powder into cup

Pour 1 small capful (3.3 g) of powder into a cup.

Image of mixed Isotonix OPC-3 with water in cup.

Add water 2 fl. oz/60 mL of water for each capful and stir.

image of a woman holding a cup with mixed Isotonix OPC-3

Enjoy once a day. For maximum absorption take on an empty stomach.

Key Ingredients & Their Benefits

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Grape Seed Extract*

Maintains healthy cholesterol levels

image of red wine in a wooden spoon
Red Wine Extract*

Powerful antioxidant

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Bilberry Extract*

Powerful antioxidant

Supports healthy vision

Maintains healthy circulation

image of citrus fruits against a purple background
Citrus Extract (Bioflavaniods)*

Promotes cardiovascular health

Maintains healthy circulation

image of pine bark
Pycnogenol®‡, Pine Bark Extract*

Supports the normal dilation of blood vessels

Provides complete antioxidant protection

Combats free radicals

Supports a healthy complexion

Promotes healthy sperm quality

World's Most Powerful Antioxidant

Outperforming any conventional antioxidant on the market, discover this ultimate supplement designed to supercharge health and longevity!

5

:05 minutes

Isotonix Liquid Vitamins

  • Formulated to survive digestion.
  • Delivers concentrated nutrients to the site of absorption.
  • Contains no fillers or binders.
  • No artificial color or flavors. 

40

:40 minutes

Standard Vitamin Tablet

  • Contains lab-created coatings and lubricants.
  • Often contains artificial colors, nutrients and flavors.
  • Limited absorption of nutrient utilization. 

Frequently Asked Questions

  • Isotonix OPC-3 contains bioflavonoids, plant compounds that support cardiovascular health, healthy circulation and skin, joint and tissue integrity; it uses a unique Isotonix delivery system for fast, effective absorption and includes scientifically proven antioxidants to fight free radicals, making it one of the most powerful products available.

  • Thanks to its liquid, isotonic form, Isotonix OPC-3 is absorbed quickly by the small intestine, entering the bloodstream within minutes; this rapid absorption allows the body to benefit almost immediately.

  • Free radicals cause oxidative stress, which contributes to aging, circulation and heart and immune health. OPCs are powerful antioxidants — with more staying power than vitamins C and E — that help neutralize free radicals. Taking OPC-3 daily is essential for combating free radical damage and promoting health.

  • Even athletes experience free radical damage from increased oxygen use during exercise, which can affect muscle performance and endurance. Studies show OPCs promote endurance, reduce mild muscle cramps and support healthy blood flow, helping muscles recover and perform.

  • Yes, studies show OPCs can help menstrual cramps.

  • Pycnogenol® is a patented extract from French maritime pine bark, supported by over 120 clinical studies; it acts as a powerful antioxidant, helping maintain healthy circulation, blood pressure and blood vessel function by promoting nitric oxide production.

  • Yes! The new Isotonix OPC-3 label now indicates it is for children ages 4 and over, making it easy to add to a family-friendly wellness routine. To prepare, simply pour 1 small capful (3.3 g) of Isotonix OPC-3 powder into a cup, add 3 fl. oz. of water, and mix. One to three servings may be taken daily, or as directed by your or your child’s health care provider. It’s a simple, convenient way to make daily wellness a little easier for the whole family!

Research Scope on OPC-3

view full Reference List

558+

Studies on Pycnogenol® and Human Health

100

The number of active compounds found in Red Wine Extract

3

Independent studies for Isotonix OPC-3®

4x

The bioavailability of Isotonix OPC-3® compared to a tablet form

*These statements have not been evaluated by the Food and Drug Administration. This product(s) is not intended to diagnose, treat, cure or prevent any disease.

‡As Pycnogenol®. Pycnogenol is a registered trademark of Horphag Research Ltd. Use of this product may be protected by one or more U.S. patents and other international patents.

Reviews

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by KathyK

  • Shop Consultant
Profoundly Happy

I have probably reviewed this product many many times but I can't help it. As I'm pushing 80 I am noticing that 30 years of taking this in my body has resulted in energy, Joy, community that I might not have sought without its help.

PS this is not a clinical testimonial it's just my experience.

by pT

  • Shop Consultant
Powerful

This product is something I take multiple doses every day for the last 20 years! A must have for everyone!

by ALBERTV

  • Shop Consultant
My favorite Isotonix

I'm 71 and have taken this for over 30 years and it is one of THE BEST products to take for overall health and vitality. The fast delivery into the body is amazing! If I feel congestion while laying down and then take several servings at once, within 20 mins I'm sleeping. Not to mention all the other health benefits from circulatory to oxidative stress. My meds are Isotonix Anti-Aging Essentials and OPC-3!

Response from Customer Service:

Thank you so much for your fantastic feedback on Isotonix OPC-3® for Adults & Children Ages 4+! We’re truly honored to hear that you’ve trusted and enjoyed this product for over 30 years. Your experience with its quick delivery and the role it plays in your daily wellness means a great deal to us. Thank you for making Isotonix OPC-3® and Anti-Aging Essentials a part of your routine and for being such a valued member of our community!

by Anonymous

Brilliant!

Amazing product

Response from Customer Service:

Thank you so much for your wonderful feedback on Isotonix OPC-3® for Adults & Children Ages 4+! We’re thrilled to hear you think it’s an amazing product. Your support means a lot to us, thank you for choosing Isotonix®!

by Anonymous

OPC-3

Since using OPC-3, I have noticed the energy and vitality of my body. I walk 3 times a day around my neighborhood. My neighbors compliment me about it. It tastes wonderful too. I recommend it for everyone. 10/10. Thank you Market America! SAM

Response from Customer Service:

Thank you so much for your wonderful feedback! We’re thrilled to hear that you’ve noticed more energy and vitality since using Isotonix OPC-3®, and that you enjoy the taste as well. Your active lifestyle and enthusiasm are inspiring, and we truly appreciate your recommendation. Thank you for choosing Market America and for being a valued customer!