Natural Factors Multivitamin supplement bottle
Natural Factors

Multivitamin

What We Researched
14 active ingredients analyzed · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
64
Product Score Fair
88
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C 82.5 mg
Thiamin 12.5 mg
Riboflavin 12.5 mg
Niacin 1 mg
Vitamin B6 1.25 mg
Folate 125 mcg
Vitamin B12 7.5 mcg
Biotin 12.5 mcg
Pantothenic acid 2.5 mg
Calcium 12.5 mg
Magnesium 3.75 mg
Zinc 2.5 mg
Manganese 1.25 mg
Chromium 50 mcg
Bioavailability Very Good

Absorption Rating

  • Vitamin C Fair
  • Thiamin Good
  • Riboflavin Good
  • Niacin Good
  • Vitamin B6 Fair
  • Folate Fair
  • Vitamin B12 Fair
  • Biotin Good
  • Pantothenic acid Good
  • Calcium Good
  • Magnesium Good
  • Zinc Fair
  • Manganese Good
  • Chromium Fair
Other Ingredients Fair

Fillers & Additives

No inactive ingredient data available.

Efficacy Poor

Dosage Analysis

  • Vitamin C 82.5 mg Under-dosed
  • Thiamin 12.5 mg Effective
  • Riboflavin 12.5 mg Effective
  • Niacin 1 mg Under-dosed
  • Vitamin B6 1.25 mg Under-dosed
  • Folate 125 mcg Under-dosed
  • Vitamin B12 7.5 mcg Effective
  • Biotin 12.5 mcg Under-dosed
  • Pantothenic acid 2.5 mg Under-dosed
  • Calcium 12.5 mg Under-dosed
  • Magnesium 3.75 mg Under-dosed
  • Zinc 2.5 mg Under-dosed
  • Manganese 1.25 mg Under-dosed
  • Chromium 50 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C 82.5 mg
Thiamin 12.5 mg
Riboflavin 12.5 mg
Niacin 1 mg
Vitamin B6 1.25 mg
Folate 125 mcg
Vitamin B12 7.5 mcg
Biotin 12.5 mcg
Pantothenic acid 2.5 mg
Calcium 12.5 mg
Magnesium 3.75 mg
Zinc 2.5 mg
Manganese 1.25 mg
Chromium 50 mcg

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
Natural Factors

Founded 1950 · Coquitlam, British Columbia, Canada · 390 products · naturalfactors.com

Certifications

5 certifications
B Corp Certified Verified Source
Usp Verified Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

5 incidents
Prop 65 Lead2025-10-31Source
Recall Hi Potency B Complex, RevitalX, Super Multi® IRON FREE2024-07-19Source
Lawsuit Products labeled as containing glucosamine sulfate did not contain the ingredient.2021Source
Prop 65 Lead2016-01-13Source
Recall Natural Factors L-Arginine 500mg2006-04-05Source
Related Supplements
Frequently Asked Questions
Is Natural Factors Multivitamin a good supplement?

Natural Factors Multivitamin received a product quality score of 64/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 14 active ingredients The manufacturer, Natural Factors, holds a brand trust score of 88/100 with 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in Natural Factors Multivitamin?

Natural Factors Multivitamin contains 14 active ingredients: Vitamin C (82.5 mg), Thiamin (12.5 mg), Riboflavin (12.5 mg), Niacin (1 mg), Vitamin B6 (1.25 mg), Folate (125 mcg), and 8 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natural Factors Multivitamin safe to take?

Natural Factors Multivitamin has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Natural Factors a trustworthy supplement brand?

Natural Factors receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1950 and headquartered in Coquitlam, British Columbia, Canada, the company offers 390 products in their lineup. They hold 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Natural Factors has 5 historical regulatory incidents 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.

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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.