Solgar Ester-C® Plus Vitamin C, 1000 mg, 90 Tablets supplement bottle
Solgar

Ester-C® Plus Vitamin C, 1000 mg, 90 Tablets

What We Researched
8 active ingredients analyzed · 7 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
72
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ester-C® calcium ascorbate) 1000 mg 1,111%
Calcium (as Ester-C® calcium ascorbate) 100 mg 8%
Citrus Bioflavonoids Complex 200 mg *
Acerola Extract 25 mg *
Rose Hips (fruit) 25 mg *
Rutin 25 mg *
Bioavailability Very Good

Absorption Rating

  • Vitamin C (as Ester-C® calcium ascorbate) Good
  • Calcium (as Ester-C® calcium ascorbate) Good
  • Citrus Bioflavonoids Complex Fair
  • Acerola Extract Good
  • Rose Hips (fruit) Fair
  • Rutin Fair
Other Ingredients Excellent

Fillers & Additives

  • Vegetable Cellulose
  • Microcrystalline Cellulose
  • Silica
  • Vegetable Stearic Acid
  • Dicalcium Phosphate
  • Vegetable Magnesium Stearate
  • Vegetable Glycerin
Efficacy Very Poor

Dosage Analysis

  • Vitamin C (as Ester-C® calcium ascorbate) 1000 mg Effective
  • Calcium (as Ester-C® calcium ascorbate) 100 mg Under-dosed
  • Citrus Bioflavonoids Complex 200 mg Under-dosed
  • Acerola Extract 25 mg Under-dosed
  • Rose Hips (fruit) 25 mg Under-dosed
  • Rutin 25 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 5
Total Carbohydrate 1 g <1%
Vitamin C (as Ester-C® calcium ascorbate) 1000 mg 1,111%
Calcium (as Ester-C® calcium ascorbate) 100 mg 8%
Citrus Bioflavonoids Complex 200 mg *
Acerola Extract 25 mg *
Rose Hips (fruit) 25 mg *
Rutin 25 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Vegetable Stearic Acid Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Vegetable Magnesium Stearate Safe

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

Vegetable Glycerin Safe

Helps form softgel capsule shells and acts as a humectant.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$19$18$17$16$15 Mar 12 $17.02
Vitacost

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
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Frequently Asked Questions
Is Solgar Ester-C® Plus Vitamin C, 1000 mg a good supplement?

Solgar Ester-C® Plus Vitamin C, 1000 mg, 90 Tablets received a product quality score of 72/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 8 active ingredients with 90 servings per container. Of the 7 inactive ingredients, 6 are rated safe and 0 are flagged for review. 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, 1000 mg?

Solgar Ester-C® Plus Vitamin C, 1000 mg contains 8 active ingredients: Calories (5), Total Carbohydrate (1 g), Vitamin C (as Ester-C® calcium ascorbate) (1000 mg), Calcium (as Ester-C® calcium ascorbate) (100 mg), Citrus Bioflavonoids Complex (200 mg), Acerola Extract (25 mg), and 2 more. Notable high-dose ingredients include Vitamin C at 1,111% 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, 1000 mg safe to take?

Solgar Ester-C® Plus Vitamin C, 1000 mg, 90 Tablets 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.