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Calcium Ascorbate

NutriBiotic Immunity
4.7
(514 ratings)
Vitamin C 1760 mg
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Score97

A gentle, buffered 1,760 mg vitamin C powder that is easy on the stomach.

How scoring works
Quantity:16 Ounce(s)(227 servings)
Goals:
Immunity
General Health
Skin Health
Anti-Inflammatory Support
Vision Support

Score 97

A gentle, buffered 1,760 mg vitamin C powder that is easy on the stomach.

How scoring works
$24.73($0.10 per serving)
iHerb
$ 17.32
Amazon
$ 24.73
Vitacost
$ 24.74
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Analysis

This powder provides a buffered 1,760 mg dose of vitamin C per serving using calcium ascorbate. This form is much gentler on the digestive tract and is often preferred by those with sensitive stomachs. It also provides 180 mg of elemental calcium as part of the buffering process.

The powder format is clean and free of the binders or flow agents found in tablets. It supports immune system vigilance and provides the necessary co-factors for maintaining healthy skin. It is an excellent, stomach-friendly option for customizable high-dose supplementation.

Pros

  • Buffered with calcium for stomach comfort
  • Very high 1,760 mg vitamin C dose
  • Pure powder with no fillers
  • Includes a meaningful amount of calcium

Cons

  • Includes calcium, which may not be desired by all
  • Requires mixing and measuring
  • Higher cost than basic ascorbic acid

Warnings

  • Be mindful of total daily calcium intake
  • Ensure the powder is fully dissolved before drinking

Nutrient quality

96 Highest impact

The buffered mineral ascorbate form ensures high-dose efficacy without the digestive irritation of standard acids. Powder format offers high purity and flexibility for individual systemic health requirements.

Ingredient transparency

100 Highest impact

Labels identify the concentration of both vitamin C and elemental calcium for a clear assessment of potency. Simple intake directions and the absence of hidden blends facilitate safe and informed consumer use.

Customer satisfaction

93 Highest impact

A strong average rating indicates high consumer satisfaction with the product's performance and gastric comfort. Sufficient review volume demonstrates that the formula appears well aligned with wellness expectations.

Value for money

100 Highest impact

Outstanding value is provided by the very low cost per serving for a high-quality buffered vitamin C source. The concentration per serving represents excellent nutritional value for the price.

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Goals

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

Calcium Ascorbate delivers 1760 mg of Vitamin C in a fully buffered, non-acidic form for optimal gastric tolerance and support. This buffered mineral complex helps maintain antioxidant vigilance without the digestive irritation of standard ascorbic acid.

Providing 180 mg of elemental calcium alongside Vitamin C contributes to the metabolic stability and utility of the formulation. This pure powder is a focused and bioavailable choice for those requiring high-dose systemic immune support.

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

Calcium ascorbate provides a buffered, non-acidic source of Vitamin C to support foundational immune health and antioxidant defense. This form is essential for maintaining systemic resilience while being gentle on the digestive system.

The 1,760 mg Vitamin C dose provides meaningful support well-aligned with maintenance needs. Delivering the vitamin as a mineral ascorbate ensures both effective absorption and foundational mineral support for daily wellness.

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

Buffered Vitamin C and Calcium may contribute to skin resilience through collagen synthesis support.

This non-acidic delivery system supports long-term adherence for structural maintenance.

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

Calcium ascorbate provides a buffered, non-acidic source of Vitamin C that is gentle on the digestive system. This 1760mg dose appears well aligned with supporting a healthy inflammatory response by quenching oxidative stress markers.

The inclusion of elemental calcium alongside the vitamin ensures that the product is both effective and stomach-friendly. This approach allows for high-dose supplementation with reduced risk of gastric irritation compared to standard ascorbic acid.

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Impact
High effect
D Goal FitA- Strength of SupportD+ CoverageA+ Formula Quality

This buffered calcium ascorbate powder provides a non-acidic source of vitamin C to support ocular antioxidant defense. Vitamin C concentrates in the eye to protect delicate tissues like the lens and retina from oxidative stress.

While gentle on the stomach and meaningfully dosed, the formula provides only a single pathway for vision support. It lacks the macular carotenoids and structural lipids required for comprehensive eye health protection.

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Ingredients

IngredientAmount per serving
Vitamin C (Calcium Ascorbate)
1760 mg
Calcium (Calcium Ascorbate)
180 mg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
B+ Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyA+ Value
This Calcium Ascorbate powder provides a high-quality, non-acidic source of Vitamin C. It is an excellent choice for those who want a customizable powder that is easy on the digestive system.
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