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C 1000 mg

21st Century
4.8
★ ★ ★ ★ ★
(7601 ratings)
Vitamin C 1000 mg
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Score97

A simple, high-dose vitamin C tablet that provides reliable antioxidant support for daily health.

How scoring works
Quantity:110 Tablet(s) • (110 servings)
Goals:
Immunity
Skin Health
General Health
Anti-Inflammatory Support
Vision Support

Score 97

A simple, high-dose vitamin C tablet that provides reliable antioxidant support for daily health.

How scoring works
$9.99($0.09 per serving)
iHerb
$ 9.99
Pure Formulas
$ 9.53
iHerb
$ 9.99
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Analysis

This supplement provides a solid 1,000 mg dose of vitamin C in its standard ascorbic acid form. It is a no-frills choice for someone who wants to support their immune health and antioxidant levels without extra fillers. The tablet format is easy to integrate into a morning routine.

Because it uses unbuffered ascorbic acid, it provides a very concentrated source of the vitamin. It is particularly helpful for those looking for a high-capacity supply for long-term use. While very effective, the acidity might be a factor for people with sensitive digestion.

Pros

  • High 1,000 mg dosage
  • No-frills, single-ingredient formula
  • Very cost-effective for daily use
  • Simple tablet form

Cons

  • Unbuffered acid may be harsh on some stomachs
  • Lacks botanical co-factors like rose hips
  • Tablet size may be large for some

Warnings

  • Take with food to minimize potential stomach upset
  • Ensure adequate hydration throughout the day

Nutrient quality

92 Highest impact

Robust 1,000 mg dose of Vitamin C supports significant systemic antioxidant protection. Single-nutrient focus ensures meaningful delivery of the primary active, though acidity is unbuffered.

Ingredient transparency

99 Highest impact

Labeling is exceptionally transparent with clear disclosure of the active ingredient and serving details. Transparency regarding excipients and usage guidance facilitates informed consumer use.

Customer satisfaction

96 Highest impact

Very strong ratings from a massive number of users demonstrate extensive consumer trust and reliable results. Lack of systemic negative feedback regarding quality confirms its strong standing for foundational support.

Value for money

100 Highest impact

Outstanding value is achieved through a very low price point for a high-potency serving. This product remains highly competitive for those seeking simple, effective, and economical supplementation.

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Goals

Impact
Highest effect
A+ Goal FitA- Strength of SupportC+ CoverageA+ Formula Quality

Straightforward delivery of 1000mg of ascorbic acid supports cellular antioxidant status and overall immune preparedness. This high-dose format is effective for those seeking focused support for barrier integrity and leukocyte function.

Vitamin C is the primary active component in this simple tablet. Unbuffered ascorbic acid can provide significant biological benefit, though it may not be ideal for individuals prone to gastric acidity.

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Impact
Highest effect
A Goal FitA Strength of SupportC- CoverageA Formula Quality

Vitamin C is provided in a high-potency 1,000 mg dose to strongly support collagen synthesis and dermal integrity. This foundational antioxidant helps protect skin cells from environmental damage and free radical stress.

A simple, focused tablet format ensures meaningful contribution of this essential cofactor to the body's natural repair mechanisms. This formula offers direct support for individuals prioritizing structural resilience and skin radiance.

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Impact
High effect
B+ Goal FitB+ Strength of SupportC+ CoverageB+ Formula Quality

Systemic resilience and antioxidant defense are supported by a high-potency vitamin supplement. This focused approach addresses foundational health by providing a robust level of a primary micronutrient.

Vitamin C as ascorbic acid provides the primary support for immune readiness and cellular protection. The significant dosing ensures that a fundamental micronutrient gap is effectively addressed for daily wellness.

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Impact
High effect
B+ Goal FitB+ Strength of SupportC- CoverageA Formula Quality

Vitamin C at 1,000 mg provides potent antioxidant support to modulate the body's inflammatory response to oxidative stress. This straightforward dose ensures saturation of cellular transporters for maximum systemic impact.

The use of standard, unbuffered ascorbic acid may be irritating to the digestive tract for sensitive individuals. However, the simplicity and exceptional value make it a reliable choice for foundational daily support.

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Impact
High effect
B+ Goal FitB- Strength of SupportC- CoverageB+ Formula Quality

Vitamin C is delivered in a high-potency dosage to support the delicate structures of the eye from oxidative stressors. This core antioxidant may contribute to the maintenance of lens clarity and retinal integrity.

This supplement offers excellent depth for oxidative protection but lacks breadth for other biological pathways. It serves as a budget-friendly foundation but requires additional support from zinc and macular pigments for complete vision care.

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Ingredients

IngredientAmount per serving
Vitamin C (Ascorbic Acid)
1000 mg
Gluten Free Adults 18–50
Report overview
F Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value
21st Century's 1,000 mg Vitamin C tablets offer a high-dose, straightforward supplement for general health. They are exceptionally affordable, though the basic unbuffered formula may not be ideal for sensitive stomachs.
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