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Vitamin D-3 1000 IU

Source Naturals
4.7
(3318 ratings)
Vitamin D 2000 IU
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Score96

A high-value daily Vitamin D3 tablet for long-term health maintenance.

How scoring works
Quantity:200 Tablet(s)(100 servings)
Goals:
Anti-Inflammatory Support
Immunity
Energy
Testosterone Support
General Health
Anti-Aging

Score 96

A high-value daily Vitamin D3 tablet for long-term health maintenance.

How scoring works
$9.38($0.09 per serving)
Vitacost
$ 9.38
iHerb
$ 9.38
iHerb
$ 9.38
Amazon
$ 9.99
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Analysis

Each tablet provides 2,000 IU of cholecalciferol, which is a meaningful amount for raising and maintaining healthy blood levels. It is a clean, single-ingredient formula that avoids unnecessary complexity.

The high-count bottle makes it one of the best values available for Vitamin D support. These tablets are small and easy to add to any daily health routine for long-term foundational support.

Pros

  • Exceptional price for the quantity
  • Effective 2,000 IU maintenance dose
  • Small, easy-to-take tablets

Cons

  • Does not include Vitamin K2
  • Tablet form lacks integrated fats

Warnings

  • Take with a meal that contains fat for best absorption

Nutrient quality

92 Highest impact

Concentrated vitamin D3 provides robust support for achieving systemic health targets. The cholecalciferol form ensures high bioavailability and allows for efficient intake within health protocols.

Ingredient transparency

99 Highest impact

Labeling clearly identifies the concentration of the primary active ingredient for an accurate assessment of potency. Transparent ingredient disclosure and simple serving directions support effective and safe consumer use.

Customer satisfaction

95 Highest impact

Strong customer ratings across a large review base indicate high satisfaction with the product's performance and quality. Consistent feedback highlights satisfaction with the effectiveness and purity of the tablet formula.

Value for money

100 Highest impact

Outstanding value is provided by the exceptionally low cost per serving for a concentrated vitamin D3 source. Pricing makes this one of the most accessible and economic options for regular health support.

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Goals

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

Vitamin D3 is a critical hormone for immunomodulation and has strong clinical evidence for supporting healthy inflammatory responses. This product provides a 2000 IU dose, which is meaningfully dosed for therapeutic maintenance and systemic health.

The use of Cholecalciferol ensures that the user is receiving the most bioavailable form of this essential nutrient. While the tablet format lacks an integrated lipid carrier, it offers a pure and effective single-ingredient solution.

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

Vitamin D3 appears well aligned with the regulation of innate and adaptive immune responses.

A 2000 IU dose supports the maintenance of healthy blood levels required for immune system vigilance.

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

Vitamin D3 supports mitochondrial oxidative capacity and may contribute to reduced fatigue by optimizing cellular energy pathways. Cholecalciferol is the biologically active form required for maintaining physical drive and systemic health.

Providing an effective daily dose supports the mechanisms necessary for consistent vitality. The ingredients appear well-aligned for individuals seeking foundational mitochondrial support.

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

Vitamin D3 is provided at a 2000 IU maintenance dose to support foundational endocrine health. This fat-soluble vitamin acts as a pro-hormone and is critical for natural testosterone production.

Endocrine function appears well-supported through the replenishment of this essential building block. The single-ingredient focus ensures a meaningful clinical dosage for achieving healthy systemic levels.

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

Vitamin D3 is provided in its superior cholecalciferol form to support foundational immune health and bone density. This essential nutrient may contribute to maintaining healthy hormone levels and systemic vitality.

The 2000IU maintenance dose is perfectly aligned with daily health requirements for many individuals. However, the tablet delivery format lacks an integrated lipid source, which is necessary for the optimal absorption of this fat-soluble vitamin.

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Impact
High effect
A- Goal FitB- Strength of SupportD+ CoverageA+ Formula Quality

Foundational support for bone health and immune function is provided by 2,000 IU of Vitamin D3. This nutrient may contribute to healthy aging by supporting hormone synthesis and skeletal integrity over the lifespan.

The tablet delivery format is less efficient for this fat-soluble vitamin compared to oil-based softgels. While the dose is adequate for general maintenance, the lack of synergistic nutrients like Vitamin K2 may limit its long-term anti-aging utility.

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Ingredients

IngredientAmount per serving
Vitamin D3 (Cholecalciferol)
2000 IU
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
B- Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyB+ Value
This single-ingredient supplement provides a solid 2,000 IU dose of Vitamin D3 in an affordable tablet. While the dosage is excellent for maintenance, the tablet form requires consumption with dietary fat for best absorption.
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