What dose of Vitamin D3 (Cholecalciferol) is effective for Vitamin D status?

Vitamin D3 (Cholecalciferol) at 500 IU lands inside the studied 400-5000 IU window. DoseRank scores this product's dose fit at 67 out of 100.

How much does the best Vitamin D status supplement cost?

ChildLife Essentials, Vitamin D3, Natural Berry, 12.5 mcg (500 IU), 1 fl oz (30 ml) works out at $0.08 per serving. $0.08 per serving — low price tier for this outcome. Nothing else in this ranking costs less per serving.

Does DoseRank get paid to rank a product first?

No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.

The short answer · Vitamin D status

Take vitamin d3 (cholecalciferol) for vitamin d status. This is the one to buy.

ChildLife Essentials, Vitamin D3, Natural Berry, 12.5 mcg (500 IU), 1 fl oz (30 ml)

4.9· 64,083 ratings· $0.08/serving

DoseRank score87

Vitamin D3 (Cholecalciferol) 500 IU — inside the studied 400-5000 IU window

Of 4,971 products scored for Vitamin D status, ChildLife Essentials, Vitamin D3, Natural Berry, 12.5 mcg (500 IU), 1 fl oz (30 ml) ranks #1 with a DoseRank score of 87. Vitamin D3 (Cholecalciferol) is the strongest evidence signal for this outcome.

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Cheaper alternative$0.01 per servingNOW Foods, Liquid Vitamin D-3, 1,000 IU, 1 fl oz (30 ml)

Retailer links may be affiliate links. Rankings and placement are never paid.

The form“Why Vitamin D3 (Cholecalciferol)?”

Vitamin D3 (Cholecalciferol) is the strongest evidence signal for this outcome.

Vitamin D3 (Cholecalciferol)The pick
Strong evidence · 500 IU
The form made by skin on sun exposure and used in most supplements; converts to active calcitriol and raises serum 25(OH)D more effectively than D2.

Buy the #1 pick

The dose“Is the dose actually effective?”

Vitamin D3 (Cholecalciferol) at 500 IU lands inside the studied 400-5000 IU window.

Vitamin D3 (Cholecalciferol)

Studied window 400-5000 IU · this pick 500 IU

The ranking“Why should I trust this pick?”

Strong trust signals — consistently high marks from verified buyer ratings. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.

4,971 products scored
Never paid placement
Evidence level: Strong · 92
462 brands
12 ingredients

See the full analysis — every score, every product How the ranking works

The price“Can I do better than $0.08 a serving?”

$0.08 per serving — low price tier for this outcome. Nothing else in this ranking costs less per serving.

Ready?

The #1 pick is $0.08 a serving.

ChildLife Essentials, Vitamin D3, Natural Berry, 12.5 mcg (500 IU), 1 fl oz (30 ml) — in stock at a tracked retailer.

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Questions

Frequently asked

ChildLife Essentials, Vitamin D3, Natural Berry, 12.5 mcg (500 IU), 1 fl oz (30 ml) ranks #1 for Vitamin D status with a DoseRank score of 87. The score blends clinical strength, evidence, dose fit, trust signals and value across 4,971 products scored for this outcome.

Frequently asked