21st Century, Vitamin C, Prolonged Release, 500 mg, 110 Tablets

Our Price:
CA $43.10

2+ :
CA $40.95
3+ :
CA $39.65
4+ :
CA $36.64

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Product Overview


  • Immune System Support
  • Vitamin Supplement
  • Gluten Free
  • Laboratory Tested - Guaranteed Quality

Vitamin C is an important antioxidant nutrient that supports the immune system. Prolonged release vitamins slowly release nutrients into the body over an extended period of time.

Suggested Use

As a vitamin supplement, adults take one (1) tablet daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage. Individual results may vary.

Other Ingredients

Stearic acid, hydroxypropyl methylcellulose, cellulose, magnesium stearate.Contains < 2% of: Maltodextrin, PEG, polyvinyl alcohol, silicon dioxide, talc, titanium dioxide.

No added sugar, salt, yeast, preservatives or artificial flavors.

Unconditionally guaranteed for purity, freshness and label potency.


Keep out of reach of children. Do not use if product appears to be tampered with or seal is broken. Store at room temperature.

Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition, or are planning a medical procedure. Stop use and contact a physician if adverse reactions occur.


While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.

Supplement Facts
Serving Size: 1 Tablet
  Amount Per Serving: %Daily Value
Vitamin C (as Ascorbic Acid)
500 mg 560%
Calcium (as Calcium Carbonate) 40 mg 4%

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