Fuel your immunity with the world’s most popular vitamin – vitamin C! Vitamin C is an antioxidant that reduces free radicals formed in the body and plays a significant role in a variety of metabolic functions. It strengthens the immune system, prevents vitamin C nutritional deficiencies, and helps decrease common cold duration. It also helps with skin and eye health. Only Isotonix offers Vitamin C using isotonic delivery, providing maximum nutrient absorption. 

Isotonix Vitamin C is an isotonic-capable dietary supplement made with a combination of vitamin c, beta-carotene and potassium in a delicious natural orange flavour. The most convincing evidence suggesting the need for vitamin C supplementation is based on the fact that humans are incapable of producing vitamin C in their bodies. Isotonix Vitamin C contains 500 mg of vitamin C to help with your immune system to give your body that added boost during cold season. One serving supplies 500 mg of vitamin C, the equivalent of 7 oranges, 16 lemons, or 6 grapefruits. It is great for helping with allergies and the common cold, is to be used for the prevention of vitamin C deficiencies, and to improve the general wellbeing among others. 

The two most important factors when searching for quality nutritional supplements are potency and absorption. Our Isotonix Vitamin C sets itself apart from other products on the market by providing you with the maximum nutrient absorption in the shortest amount of time via our patented Isotonix delivery system. The liquid composition of Isotonix Vitamin C places vitamins and minerals like Vitamin C in an optimal position for absorption, ensuring a superior delivery to the body’s systems to support a healthy immune system and provide antioxidant protection to the body.

Isotonix OPC-3® is an isotonic-capable dietary supplement that reduces free radicals formed in the body. Employing water-soluble extracts from the most powerful OPCs — bilberry, grape extracts, pine bark extracts, and citrus extract bioflavonoids — Isotonix OPC-3 delivers a powerful antioxidant punch in an effective isotonic solution that is easily absorbed by the body. In addition to reducing free radicals, Isotonix OPC-3 has a multitude of health benefits ranging from demonstrating anti-inflammatory activity, sinus relief, decreasing symptoms of mild allergies, cardiovascular health, promote joint health and eye and skin health. 

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. Grape extracts also superior sources of OPC. Isotonix OPC-3 contains the most bioavailable and potent forms of OPCs. Bilberry, grape seed and pine bark contain bioflavonoids known as anthocyanosides and proanthocyanidins. These antioxidant compounds are known to be 20 times more powerful than vitamin C and 50 times more powerful than vitamin E in quenching free radicals. 

Oligomeric proanthocyanidins (OPCs) are bioflavonoids (complex organic plant compounds) found in fruits, vegetables and certain tree barks that provide exceptional nutritional benefits to the human body. Studies have shown OPCs to be up to 50 times more powerful than vitamin C and 20 times more powerful than vitamin E in neutralising free radicals. There may be other OPC products on the market but only Isotonix OPC-3 uses the highest quality ingredients with clinical studies to create the most effective and potent product on the market.