Natural Factors Vitamin C Blueberry Raspberry Boysenberry Chew 500 mg supplement bottle
Natural Factors

Vitamin C Blueberry Raspberry Boysenberry Chew 500 mg Review

What We Researched
6 active ingredients analyzed · 14 inactive ingredients decoded · 5 brand certifications checked · Last updated: Aug 2026
95
Product Score Excellent
100
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Very Good

Supplement Facts

IngredientAmount% DV
Vitamin C (sodium ascorbate, ascorbic acid) 500 mg 556%
Bioavailability Excellent

Absorption Rating

  • Vitamin C (sodium ascorbate, ascorbic acid) Good
Other Ingredients Excellent

Fillers & Additives

  • Dextrose
  • Hesperidin
  • Vegetable Magnesium Stearate
  • Citric Acid
  • Fructose
  • Strawberry
  • Boysenberry
  • Silica
  • Rutin
  • Red cabbage
  • Blueberry
  • Rosehips
  • Raspberry
  • Citrus Bioflavonoids
Efficacy Excellent

Dosage Analysis

  • Vitamin C (sodium ascorbate, ascorbic acid) 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 10
Total Carbohydrate 2 g <1%‡
Total Sugars 2 g **
Includes 2 g Added Sugars 4%‡
Vitamin C (sodium ascorbate, ascorbic acid) 500 mg 556%
Sodium 35 mg 2%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dextrose Generally_safe

It is used as a filler, sweetener, or to improve the flow of powders.

Hesperidin Generally_safe

It is used for its antioxidant and anti-inflammatory properties.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Fructose Generally_safe

It is used as a sweetener.

Strawberry Unknown
Boysenberry Unknown
Silica Safe

Prevents ingredients from clumping and improves powder flow.

Rutin Generally_safe

It is used for its potential antioxidant and anti-inflammatory properties.

Red cabbage Unknown
Blueberry Unknown
Rosehips Generally_safe

It is used as a source of vitamin C or as a filler.

Raspberry Unknown
Citrus Bioflavonoids Generally_safe

They are included for their antioxidant properties and potential health benefits.

Brand Trust Report
Natural Factors

Founded 1950 · Coquitlam, British Columbia, Canada · 832 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 Vitamin C Blueberry Raspberry Boysenberry Chew 500 mg a good supplement?

Natural Factors Vitamin C Blueberry Raspberry Boysenberry Chew 500 mg received a product quality score of 95/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 6 active ingredients Of the 14 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Natural Factors, holds a brand trust score of 100/100 with 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in Natural Factors Vitamin C Blueberry Raspberry Boysenberry Chew 500 mg?

Natural Factors Vitamin C Blueberry Raspberry Boysenberry Chew 500 mg contains 6 active ingredients: Calories (10), Total Carbohydrate (2 g), Total Sugars (2 g), Includes 2 g Added Sugars, Vitamin C (sodium ascorbate, ascorbic acid) (500 mg), Sodium (35 mg). Notable high-dose ingredients include Vitamin C at 556% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natural Factors Vitamin C Blueberry Raspberry Boysenberry Chew 500 mg safe to take?

Natural Factors Vitamin C Blueberry Raspberry Boysenberry Chew 500 mg 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 100/100 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 832 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 150,000 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 — read our methodology. 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.