Solgar Ester-C Plus®, Vitamin C, 500 mg, 100 Vegetable Capsules supplement bottle
Solgar

Ester-C Plus®, Vitamin C, 500 mg, 100 Vegetable Capsules

What We Researched
5 active ingredients analyzed · 2 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
62
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ester-C® calcium ascorbate) 500 mg 556%
Citrus Bioflavonoid Complex 25 mg **
Acerola Extract (Malpighia glabra) (fruit) 10 mg **
Rose Hips (fruit) 10 mg **
Rutin 5 mg **
Bioavailability Very Good

Absorption Rating

  • Vitamin C (as Ester-C® calcium ascorbate) Good
  • Acerola Extract (Malpighia glabra) (fruit) Good
  • Rose Hips (fruit) Fair
  • Rutin Fair
Other Ingredients Fair

Fillers & Additives

No inactive ingredient data available.

Efficacy Poor

Dosage Analysis

  • Vitamin C (as Ester-C® calcium ascorbate) 500 mg Effective
  • Acerola Extract (Malpighia glabra) (fruit) 10 mg Under-dosed
  • Rose Hips (fruit) 10 mg Under-dosed
  • Rutin 5 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Ester-C® calcium ascorbate) 500 mg 556%
Citrus Bioflavonoid Complex 25 mg **
Acerola Extract (Malpighia glabra) (fruit) 10 mg **
Rose Hips (fruit) 10 mg **
Rutin 5 mg **

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$15$14$13$12$11 Mar 12 $12.74
iHerb

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

Brand Trust Report
Solgar

Founded 1947 · Leonia, New Jersey, United States · 295 products · solgar.com

Certifications

2 certifications
Halal Certified Verified Source
Kosher Certified Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is Solgar Ester-C Plus®, Vitamin C a good supplement?

Solgar Ester-C Plus®, Vitamin C, 500 mg, 100 Vegetable Capsules received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 5 active ingredients The manufacturer, Solgar, holds a brand trust score of 66/100 with 2 verified certifications including Halal Certified, Kosher Certified.

What are the ingredients in Solgar Ester-C Plus®, Vitamin C?

Solgar Ester-C Plus®, Vitamin C contains 5 active ingredients: Vitamin C (as Ester-C® calcium ascorbate) (500 mg), Citrus Bioflavonoid Complex (25 mg), Acerola Extract (Malpighia glabra) (fruit) (10 mg), Rose Hips (fruit) (10 mg), Rutin (5 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 Solgar Ester-C Plus®, Vitamin C safe to take?

Solgar Ester-C Plus®, Vitamin C, 500 mg, 100 Vegetable Capsules 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 Solgar a trustworthy supplement brand?

Solgar receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1947 and headquartered in Leonia, New Jersey, United States, the company offers 295 products in their lineup. They hold 2 verified certifications including Halal Certified, Kosher Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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.