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C 500 mg

21st Century
4.8
★ ★ ★ ★ ★
(34417 ratings)
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Score 88

An exceptionally economical and popular 500mg Vitamin C tablet, lightly buffered with calcium for gentle daily support.

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scaleQuantity:250 Tablet(s) • (250 servings)
track_changesGoals:

leaderboard Score 88

An exceptionally economical and popular 500mg Vitamin C tablet, lightly buffered with calcium for gentle daily support.

How scoring works
Also available as 6 options
110 servings 1 Tablet(s) • 110 Tablet(s) • 110 servings $3.97 ($0.03 per serving) 110 servings 1 Tablet(s) • 110 Tablet(s) • 110 servings $6.99 ($0.06 per serving) 110 servings 1 Tablet(s) • 110 Tablet(s) • 110 servings $7.99 ($0.07 per serving) 1000mg • 110 Tablet(s) servings 1000mg • 110 Tablet(s) • 110 servings $8.06 ($0.07 per serving) 1000mg • 60 Tablet(s) servings C 1000 mg • 60 Tablet(s) • 60 servings $4.49 ($0.07 per serving) 1000mg • 110 Tablet(s) servings 1000mg • 110 Tablet(s) • 110 servings $9.99 ($0.09 per serving)
$8.99($0.03 per serving)
iHerb
$ 8.99
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psychologyAnalysis

This supplement delivers a useful 500mg dose of Vitamin C, primarily as ascorbic acid, with a small addition of 30mg of calcium from calcium carbonate. This calcium helps to lightly buffer the acidity, potentially making it easier on the stomach for individuals sensitive to plain Vitamin C.

What truly sets this product apart is its remarkable affordability, achieving one of the lowest prices per serving in the market. Coupled with an incredibly high number of positive customer reviews, it represents an excellent, practical option for consistent daily Vitamin C intake.

thumb_upPros
  • Exceptionally economical price per serving
  • Moderate 500mg dose suitable for daily maintenance
  • Lightly buffered with calcium for gentler digestion
  • Extremely high customer satisfaction with tens of thousands of reviews
thumb_downCons
  • Buffering amount is relatively small compared to fully buffered options, so very sensitive stomachs may still prefer other forms.
  • Does not include bioflavonoids or other synergistic cofactors.
warningWarnings
  • Individuals monitoring their calcium intake should account for the small amount of calcium per serving.
  • While buffered, very sensitive stomachs may still prefer a more heavily buffered or non-acidic form of Vitamin C.
scienceNutrient quality
78 High impact

The nutrient quality is good, providing a 500mg dose of ascorbic acid that is lightly buffered with calcium carbonate for improved digestive comfort. While not comprehensive with bioflavonoids, its gentle nature is a plus.

visibilityIngredient transparency
90 Highest impact

Ingredient transparency is excellent, as the product clearly lists Vitamin C as ascorbic acid and the buffering calcium with their exact quantities. There are no proprietary blends or unclear ingredients, providing full clarity.

workspace_premiumValue for money
100 Highest impact

The value for money is truly exceptional, combining a comfortable 500mg buffered dose with an incredibly low price per serving and outstanding customer satisfaction. It sets a benchmark for affordability and reliability.

thumb_upCustomer satisfaction
100 Highest impact

With over 34,000 reviews, customer satisfaction is exceptionally high, demonstrating overwhelming popularity and positive reception. This vast amount of positive feedback is a clear indicator of a highly reliable product.

storefrontBrand
65 High impact

21st Century is a widely available, budget-friendly brand focused on providing basic vitamins and supplements at an economical price point. It's known for its accessibility.

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track_changesGoals
flagGeneral Health
Impact
Highest effect
This product provides an outstandingly economical and reliable source of daily Vitamin C, lightly buffered for comfort. It's an excellent choice for broad foundational health support across many bodily functions.
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flagImmunity
Impact
Highest effect
Vitamin C is widely recognized for its crucial role in supporting various immune cell functions. The consistent and comfortable daily dose makes it an excellent choice for maintaining immune system readiness.
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flagSkin Health
Impact
Highest effect
Vitamin C is crucial for collagen production, which helps maintain skin's elasticity and firmness. Its antioxidant properties also help protect skin from environmental stressors, contributing to a healthy complexion.
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flagAnti-Aging
Impact
Highest effect
Vitamin C is essential for collagen production and acts as an antioxidant, both vital for cellular health and anti-aging processes. The consistent and affordable daily dose is beneficial.
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flagAnti-Inflammatory Support
Impact
Highest effect
The antioxidant action of Vitamin C helps in managing oxidative stress, which can contribute to healthy inflammatory responses in the body. The buffered form allows for comfortable, consistent intake.
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flagBone Health
Impact
High effect
Vitamin C is crucial for collagen formation, which is a significant component of bone matrix. The small amount of calcium also directly contributes to bone support.
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flagJoint Health
Impact
High effect
Vitamin C is a key cofactor for collagen production, which is essential for healthy cartilage and connective tissues in the joints. Regular intake helps maintain joint structural integrity.
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flagFitness
Impact
High effect
Vitamin C's antioxidant role can help mitigate oxidative stress from exercise, and its support for collagen aids in recovery of connective tissues for active individuals. The affordability enables consistent intake.
View goal →
scienceIngredients
IngredientAmount per serving
Vitamin C
500 mg
Calcium
30 mg
grain_off Gluten Free person Adults 18–50
flagReport overview
Vitamin C 90
This product is an incredibly economical, lightly buffered 500mg Vitamin C option with exceptional customer satisfaction. It's a premier choice for accessible and comfortable daily Vitamin C supplementation.
scienceView ingredientinventory_2View products
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C 250 mg

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100% Pure Vitamin C Powder

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Buffered Gold C

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Other sellers (0)
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Vitamin C 1000 mg

AN Amazing Nutrition Amazing Formulas
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Other sellers (1)
92 Value

Sodium Ascorbate

NutriBiotic Immunity
4.9
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(86030 ratings)
While a powder and not a tablet, it offers 1100mg of buffered Vitamin C for only slightly more per serving than your current product, making it an outstanding value for a high-quality, gentle Vitamin C source.
Other sellers (1)
90 Performance

C-500 Calcium Ascorbate-C

NOW
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(7395 ratings)
This alternative provides 500mg of buffered Vitamin C (Calcium Ascorbate) with citrus bioflavonoids. It's often gentler on the stomach than plain ascorbic acid and the bioflavonoids can enhance Vitamin C's effects for skin and immune support.
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AlphaSorb-C 500

NOW
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This product offers a buffered, enhanced form of Vitamin C (Threonic Acid enhanced buffered Calcium Ascorbate) at 500mg. It includes a comprehensive blend of bioflavonoids, rose hips, and rutin for potentially better absorption and broader antioxidant benefits.
Other sellers (3)
82 Performance

Buffered C-500

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(432 ratings)
This option delivers 1000mg of Vitamin C (a blend of ascorbic acid and calcium ascorbate) per serving, giving you a higher, buffered dose. This can be gentler for digestion while providing robust support for your immunity and overall health.
Other sellers (0)
flagReport alternatives

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