Isotonix® · Daily support

Isotonix® Vitamin C

High-potency vitamin C with vitamin A for antioxidant and immune support

Isotonix® Vitamin C product packaging

90 servings

Available Sizes

  • 90 servings

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About this formula

Isotonix® Vitamin C delivers 500 mg of ascorbic acid alongside vitamin A for powerful antioxidant protection, immune support, and cardiovascular health. Because it's delivered isotonically, the vitamin C enters the bloodstream without the gastrointestinal discomfort that high-dose tablet-based vitamin C sometimes causes.

Key benefits

  • Provides powerful antioxidant protection
  • Supports a healthy immune system
  • Promotes skeletal, muscle, cardiovascular and skin health
  • Helps maintain healthy cholesterol levels already within normal range
  • Promotes normal regulation of heart functions
  • Gentle on the stomach thanks to isotonic delivery

How to use

Pour 1 level, white bottle capful of powder into the overcap. Add water to the line on the overcap (2 fl oz / 60 mL) and stir. Take once daily or as directed by your healthcare provider. Maximum absorption occurs when taken on an empty stomach.

Warnings & precautions

If you are currently using prescription drugs, have an ongoing medical condition, or if you are pregnant or breastfeeding, consult your health care provider before using this product. KEEP OUT OF THE REACH OF CHILDREN. Store in a cool, dry place. Do not use if safety seal is broken or missing.

Free from

No added wheat, soy, yeast, gluten, artificial flavor, salt, preservatives or milk. Vegan.

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