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Ester-C With D3

American Health
4.9
★ ★ ★ ★ ★
(754 ratings)
Vitamin C 1000 mg
Product Image
Score96

A powerful combination of non-acidic Ester-C and high-dose Vitamin D3 for total immune support.

How scoring works
Quantity:60 Tablet(s) • (60 servings)
Goals:
Immunity
Anti-Inflammatory Support
Skin Health
General Health
Vision Support

Score 96

A powerful combination of non-acidic Ester-C and high-dose Vitamin D3 for total immune support.

How scoring works
$13.78($0.22 per serving)
iHerb
$ 14.82
Vitacost
$ 13.79
Daily Vita
$ 13.78
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Analysis

This supplement provides 1000 mg of non-acidic Ester-C along with a very high dose of 125 mcg (5000 IU) of Vitamin D3. These two nutrients work together to support immune cell production and overall systemic resilience. Because it uses Ester-C, it is very gentle on the stomach and stays in the body longer than standard vitamins.

The 60-count bottle is a convenient two-month supply of these two essential nutrients. It is a smart option for those who want to avoid taking multiple different pills for their daily health. It supports skin integrity, bone health, and the immune system in one efficient tablet.

Pros

  • Includes 5000 IU of Vitamin D3
  • Stomach-friendly Ester-C
  • Two essential nutrients in one pill
  • Excellent cellular retention

Cons

  • Vitamin D dose may be too high for some
  • Only 60 tablets per bottle

Warnings

  • Check your current Vitamin D levels before taking high doses
  • Best taken with a meal that contains fat

Nutrient quality

94 Highest impact

Utilizing buffered mineral ascorbates and high-dose Vitamin D3 supports systemic resilience and bone health. Focus on non-acidic ingredients ensures that high-potency nutritional requirements are met without gastric irritation.

Ingredient transparency

99 Highest impact

Clear disclosure of all active amounts and chemical forms allows for precise nutritional planning. Labeling excludes hidden proprietary blends to ensure every ingredient can be independently evaluated.

Customer satisfaction

94 Highest impact

Consistent high ratings from a significant number of users suggest a reliable experience for those seeking foundational support. Repetitive positive feedback regarding the lack of digestive upset reinforces the suitability for daily use.

Value for money

95 Highest impact

Competitive pricing per serving makes this high-potency option accessible for long-term supplementation. Focus on core active ingredients without low-value fillers ensures a strong alignment between cost and nutritional impact.

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Goals

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

Vitamin D3 and high-potency Ester-C offer a dual-action approach to supporting daily immune cell production and acute resilience. This combination addresses two of the most clinically supported nutrients for reducing the duration of common seasonal challenges.

Buffered mineral ascorbates provide high digestive tolerance while Vitamin D3 supports the signaling of the adaptive immune system. The formula is well-suited for long-term health maintenance without unnecessary botanical complexity.

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Anti-Inflammatory Support
Impact
Highest effect
A+ Goal FitA+ Strength of SupportA- CoverageA+ Formula Quality

This synergistic formula combines 1,000 mg of non-acidic Ester-C with a robust dose of vitamin D3 to provide comprehensive inflammatory and immune support. Vitamin C and D3 work together to modulate immune cell signaling and reduce markers of systemic oxidative stress.

The patented, buffered form of vitamin C ensures superior gastric tolerance and better biological retention than standard ascorbic acid. This combination is highly efficient for those looking to simplify their routine while maintaining high-quality daily support for inflammatory balance.

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Skin Health
Impact
Highest effect
A Goal FitA+ Strength of SupportB+ CoverageA+ Formula Quality

Patented Vitamin C and a robust dose of Vitamin D3 are essential for collagen synthesis and overall skin resilience. Vitamin C is an indispensable cofactor for dermal structure, while Vitamin D3 supports normal cell growth and repair processes.

Ester-C provides superior cellular retention, which may contribute to sustained protection against oxidative damage in the skin. The formula appears well aligned with supporting the structural integrity and defensive capacity of the dermal layers.

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General Health
Impact
Highest effect
A+ Goal FitA+ Strength of SupportB CoverageA+ Formula Quality

Combining 1,000 mg of Ester-C with Vitamin D3 provides multi-pillar support for foundational systems like immune function and metabolic health. These ingredients are essential for protecting against common physiological stressors and maintaining daily vitality.

Meaningful dosages of buffered Vitamin C and clinical-grade Vitamin D3 appear well aligned with long-term wellness goals. This synergistic combination offers a practical way to address multiple nutritional gaps in a single, focused formulation.

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Vision Support
Impact
Highest effect
B Goal FitA+ Strength of SupportC CoverageA- Formula Quality

Vitamin C is combined with vitamin D3 to support the eye's oxidative defenses and manage inflammatory markers. These nutrients may contribute to long-term retinal health and the maintenance of clear sight.

While the 1000 mg dose of Vitamin C provides excellent depth for lens protection, the formula lacks specific ocular carotenoids like lutein. It serves as a high-quality foundation for systemic health with benefits for ocular structures.

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Ingredients

IngredientAmount per serving
Vitamin C (Ester-C Calcium Ascorbate)
 1000 mg
Vitamin D (Vitamin D3)
 125 mcg
Calcium (Ester-C Calcium Ascorbate)
 111 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free Vegetarian
Report overview
Vitamin C (Ester-C Calcium Ascorbate) · 1000 mg OverallScore92
A- Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value
This Ester-C product combines stomach-friendly Vitamin C with a robust dose of Vitamin D3. It is a highly efficient choice for those looking to simplify their supplement routine with high-quality, bioavailable immune support.
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