NaturesPlus Vitamin D3 5000 IU supplement bottle
NaturesPlus

Vitamin D3 5000 IU

What We Researched
2 active ingredients analyzed · 9 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
86
Product Score Good
59
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as ascorbic acid) 100 mg 111%
Iron (as amino acid chelate/complex) 27 mg 150%
Bioavailability Fair

Absorption Rating

  • Vitamin C (as ascorbic acid) Fair
  • Iron (as amino acid chelate/complex) Fair
Other Ingredients Excellent

Fillers & Additives

  • Natural Sweeteners (Non-GMO Cane Sugar, Fructose)
  • Ferrous Fumarate Low
  • Natural flavors (raspberry, cherry)
  • Beet juice (Beta vulgaris root)
  • Magnesium Stearate
  • Stearic Acid
  • Stevia (rebaudioside A)
  • Rose Hips (Rosa Canina Fruit)
  • Silica
Efficacy Excellent

Dosage Analysis

  • Vitamin C (as ascorbic acid) 100 mg Effective
  • Iron (as amino acid chelate/complex) 27 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as ascorbic acid) 100 mg 111%
Iron (as amino acid chelate/complex) 27 mg 150%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Natural Sweeteners (Non-GMO Cane Sugar, Fructose) Generally_safe

They are used to improve the taste of the supplement.

Ferrous Fumarate Caution

It is used to supplement iron intake.

Natural flavors (raspberry, cherry) Unknown
Beet juice (Beta vulgaris root) Unknown
Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Stevia (rebaudioside A) Unknown
Rose Hips (Rosa Canina Fruit) Generally_safe

It is used as a source of vitamin C and antioxidants.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
NaturesPlus

Founded 1972 · Melville, New York, United States · 420 products · naturesplus.com

Transparency

3 claims
Third Party Testing Claim — Claimed
In House Testing — Claimed

Violation History

1 incident
Recall Keto Living Sugar Control Capsules2022-05-06Source
Related Supplements
Frequently Asked Questions
Is NaturesPlus Vitamin D3 5000 IU a good supplement?

NaturesPlus Vitamin D3 5000 IU received a product quality score of 86/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 2 active ingredients Of the 9 inactive ingredients, 3 are rated safe and 1 are flagged for review. The manufacturer, NaturesPlus, holds a brand trust score of 59/100.

What are the ingredients in NaturesPlus Vitamin D3 5000 IU?

NaturesPlus Vitamin D3 5000 IU contains 2 active ingredients: Vitamin C (as ascorbic acid) (100 mg), Iron (as amino acid chelate/complex) (27 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NaturesPlus Vitamin D3 5000 IU safe to take?

NaturesPlus Vitamin D3 5000 IU has been analyzed for ingredient safety across all its components. Of 9 inactive ingredients, 3 are rated safe. 1 ingredient is flagged for review: Ferrous Fumarate. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NaturesPlus a trustworthy supplement brand?

NaturesPlus receives a brand trust score of 59/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1972 and headquartered in Melville, New York, United States, the company offers 420 products in their lineup. Note: NaturesPlus has 1 historical regulatory incident on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.