Isotonix
Isotonix OPC-3®
Isotonix OPC-3®
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- World's Most Powerful Antioxidant
- Bestseller for Over 30 Years
- Only Isotonic Pycnogenol® in the World
- Slow Signs of Aging
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!
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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
Oligomeric proanthocyanadins (OPCs) are bioflavonoids (complex organic compounds) found in fruits, vegetables and certain tree barks that provide exceptional nutritional benefits to the human body.

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 Classification
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Gluten-Free
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No Detectable GMO
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Isotonic
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Vegan
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Good Manufacturing Practices
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Dairy Free
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Directions for Use
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Pour 1 small capful (3.3 g) of powder into a cup.
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Add water 2 fl. oz/60 mL of water for each capful and stir.
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Enjoy once a day. For maximum absorption take on an empty stomach.
Key Ingredients & Benefits
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Grape Seed Extract*
Maintains healthy cholesterol levels
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Red Wine Extract*
Powerful antioxidant
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Bilberry Extract*
Powerful antioxidant
Supports healthy vision
Maintains healthy circulation
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Citrus Extract (Bioflavaniods)*
Promotes cardiovascular health
Maintains healthy circulation
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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
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Isotonix Delivery System
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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.
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Standard Vitamin Tablet
- Contains lab-created coatings and lubricants.
- Often contains artificial colors, nutrients and flavors.
- Limited absorption of nutrient utilization.
Frequently Asked Questions
What makes Isotonix OPC-3 special?
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.
How quickly does Isotonix OPC-3 work?
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.
Why should everyone take Isotonix OPC-3?
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.
Why should healthy or athletic people use Isotonix OPC-3?
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.
Does OPC-3 benefit people who menstruate?
Yes, studies show OPCs can help mensural cramps.
What is Pycnogenol®?
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.
Research Scope on OPC-3
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558+
Studies on Pycnogenol® and Human Health
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100
The number of active compounds found in Red Wine Extract
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3
Independent studies for Isotonix OPC-3®
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4x
The bioavailability of Isotonix OPC-3® compared to a tablet form
ISOTONIX OPC3
Sets the standard
More energy
Packaging
Show stopper!!