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NOW Foods NOW Vitamin D3 5000 IU
SPECIMEN #NOW-VITA
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VITAMINNOW Foods

NOW Vitamin D3 5000 IU

Vitamin D supplementation, bone health, immune support, mood regulation.. This product provides a strong, clinical dose of Vitamin D3. It's a straightforward supplement for those needing robust Vitamin D support. The absence of cofactors like K2 is a minor drawback for optimal long-term use at this dose.

9.0/10
EXCEPTIONAL

This is an excellent, high-dose Vitamin D3 supplement for robust support.

1 ingredientSoftgels30 servings
We'd recommend this
Evidence
8.5
Dosing
9.0
SynergyN/A (single ingredient)
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Whenwith meals

Vitamin D is fat-soluble, so it's best absorbed with dietary fat.

Foodwith food

Enhances absorption of this fat-soluble vitamin.

SafetySome cautions

Consult a doctor before taking high doses long-term, especially if you have existing health conditions or are on other medications. Consider pairing with Vitamin K2 and Magnesium.

ResearchStrong evidence

Extensive research supports Vitamin D3's role in bone health, immunity, and overall well-being.

What We Like

  • High, effective dose of Vitamin D3
  • Simple, single ingredient
  • Reputable brand

Watch Out For

  • Lacks synergistic cofactors like Vitamin K2 and Magnesium

What We Analyzed

NOW Vitamin D3 5000 IU Supplement Facts

Verified Supplement Facts

Every dose checked against clinical research

We analyzed the actual supplement facts panel for this product. Every ingredient dose below was cross-referenced with published clinical trials to determine if it matches what studies actually use.

6 ingredients analyzed1 at clinical doses

Source: Official product page

Ingredient Breakdown

1 clinical
Clinical Adequate Underdosed Overdosed|Bar = % of clinical dose
IngredientDoseStatusvs. Clinical
Vitamin D310.0
5,000 IUCLINICAL
125%
5,000 IU

of 4000IU

CLINICAL
125%
In our database (click to learn more) Not yet reviewed
Other Ingredients(inactive)

Extra Virgin Olive Oil, Softgel Capsule, gelatin, glycerin, water

Our Analysis

Best For

Individuals with Vitamin D deficiencyPeople with limited sun exposureThose seeking immune supportOlder adults

Skip This If

Individuals with hypercalcemiaPeople with certain kidney conditionsAnyone taking medications that interact with Vitamin D (consult a doctor)

Time to Feel

1-2 months

Value

EXCELLENT

How to take: Generally not needed for Vitamin D3, but regular blood tests are recommended to monitor levels, especially at higher doses.

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