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21st Century C-1000 Prolonged Release
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21st Century
Supplements: Vitamin C Ascorbic Acid
Benefits: Antiaging and Longevity Immune System Anti Inflammatory Allergies and Immunity Stress General Health
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Supplement Rating
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SERVING PRICE
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Ranked 56th among 100 Vitamin C products.
Ranked 19th among 26 Ascorbic Acid products.
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21st Century C-1000 Prolonged Release FACTS AND ALTERNATIVES COMPARISON

  19

21st Century C-1000 Prolonged Release

21st Century
Supplement Rating
21st Century C-1000 Prolonged Release
$0.11
1

Bulk Supplements Vitamin C

BulkSupplements
Supplement Rating
Bulk Supplements Vitamin C
$0.02
15

Doctor's Best Vitamin C

Doctor's Best
Supplement Rating
Doctor's Best Vitamin C
$0.18
2

Nature's Bounty Vitamin C-500

Nature's Bounty
Supplement Rating
Nature's Bounty Vitamin C-500
$0.05
Serving Size 1 Tablet 1 g 1 Veggie Capsule 1 Tablet
Price/Serving $0.11 $0.02 82% $0.18 64% $0.05 55%
Servings Per Container 110 1000 809% 120 9% 250 127%
Vitamin C 1,000 mg (as Ascorbic Acid) 1000 mg (as Ascorbic Acid) 1000 mg (as Q-C ascorbic acid) 500 mg (as Ascorbic Acid)

*Some information on the 21st Century C-1000 Prolonged Releaselabel may be missing, or it may have been written incorrectly. We work hard to keep the information accurate & up to date. Please let us know if you discover any errors.

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