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‎4.6/5
13 reviews
Swanson Vitamins
USD 8.19

at Swanson Vitamins

Updated: Oct 24, 2026

About this item

Vitamin C is perhaps the most popular vitamin known to man. It is consumed in a supplemental form by millions of people across the world for its antioxidant properties, which are well-documented in medical research. Calcium ascorbate is an optimal nutritional supplement that combines ascorbic acid (vitamin C) with calcium carbonate. By combining these two dietary ingredients, we have created a buffered source of vitamin C that will not contribute to gastric irritation in sensitive persons.

  • Features
    • Calcium Ascorbate-C
    • Buffered, non-acidic
    • With bioflavonoids

Specifications

Ingredient

Amount per serving / Daily value %

Vitamin C (from Calcium Ascorbate)

500 mg / 556%

Calcium (from Calcium Ascorbate)

55 mg / 4%

Citrus Bioflavonoid Complex

10 mg / †

Other Ingredients

Hypromellose (cellulose capsule), Microcrystalline Cellulose, Stearic Acid (vegetable source)

Other Information

Natural color variation may occur in this product., Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens., Buffered, Non-Acidic, Recyclable Bottle.

Product photos are for illustrative purposes only and are exemplary. The colors, inscriptions, parameters, dimensions, sizes, functions, and/or any other features of the original products may look different than in reality due to their visual characteristics, so please refer to the product features that are indicated in the product descriptions.

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