Solgar Ester-C Effervescent 1000 mg Natural Orange Flavor supplement bottle
Solgar

Ester-C Effervescent 1000 mg Natural Orange Flavor

What We Researched
20 active ingredients analyzed · 4 inactive ingredients decoded · 2 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
72
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 7 g 2%
Vitamin A (as Beta-Carotene) 800 IU 16%
Vitamin C (as Ester-C Calcium Ascorbate) 1026 mg 1710%
Thiamine (as Thiamine Hydrochloride, Vitamin B1) 0.38 mg 25%
Riboflavin (as Vitamin B2) 0.43 mg 25%
Niacin (as Niacinamide) 5 mg 25%
Vitamin B6 (as Pyridoxine Hydrochloride) 10 mg 500%
Folic Acid 12.5 mcg 3%
Vitamin B12 (as Cyanocobalamin) 25 mcg 417%
Pantothenic Acid (as D-Calcium Pantothenate) 2.5 mg 25%
Calcium (as Calcium Carbonate, Calcium D-Pantothenate, Dicalcium Phosphate, Ester-C Calcium Ascorbate) 150 mg 15%
Phosphorus (as Magnesium Phosphate, Potassium Phosphate) 100 mg 10%
Magnesium (as Magnesium Phosphate) 60 mg 15%
Zinc (as Zinc Ascorbate) 2 mg 13%
Manganese (as Manganese Gluconate) 0.5 mg 25%
Chromium (as Chromium Chloride) 5 mcg 4%
Sodium (as Sodium Bicarbonate) 40 mg 2%
Potassium (as Potassium Bicarbonate, Potassium Carbonate, Potassium Phosphate) 400 mg 11%
Antioxidant Health Proprietary Blend 58 mg
Bioavailability Good

Absorption Rating

  • Total Carbohydrates Fair
  • Vitamin A (as Beta-Carotene) Fair
  • Vitamin C (as Ester-C Calcium Ascorbate) Good
  • Thiamine (as Thiamine Hydrochloride, Vitamin B1) Fair
  • Riboflavin (as Vitamin B2) Good
  • Niacin (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Folic Acid Fair
  • Vitamin B12 (as Cyanocobalamin) Fair
  • Pantothenic Acid (as D-Calcium Pantothenate) Good
  • Calcium (as Calcium Carbonate, Calcium D-Pantothenate, Dicalcium Phosphate, Ester-C Calcium Ascorbate) Fair
  • Phosphorus (as Magnesium Phosphate, Potassium Phosphate) Good
  • Magnesium (as Magnesium Phosphate) Good
  • Zinc (as Zinc Ascorbate) Fair
  • Manganese (as Manganese Gluconate) Good
  • Chromium (as Chromium Chloride) Poor
  • Sodium (as Sodium Bicarbonate) Good
  • Potassium (as Potassium Bicarbonate, Potassium Carbonate, Potassium Phosphate) Good
  • Antioxidant Health Proprietary Blend Fair
Other Ingredients Excellent

Fillers & Additives

  • Cane Sugar
  • Citric Acid
  • Natural Orange Flavor
  • Silica
Efficacy Very Poor

Dosage Analysis

  • Vitamin A (as Beta-Carotene) 800 IU Under-dosed
  • Vitamin C (as Ester-C Calcium Ascorbate) 1026 mg Effective
  • Thiamine (as Thiamine Hydrochloride, Vitamin B1) 0.38 mg Under-dosed
  • Riboflavin (as Vitamin B2) 0.43 mg Under-dosed
  • Niacin (as Niacinamide) 5 mg Under-dosed
  • Vitamin B6 (as Pyridoxine Hydrochloride) 10 mg Effective
  • Folic Acid 12.5 mcg Under-dosed
  • Vitamin B12 (as Cyanocobalamin) 25 mcg Effective
  • Pantothenic Acid (as D-Calcium Pantothenate) 2.5 mg Under-dosed
  • Calcium (as Calcium Carbonate, Calcium D-Pantothenate, Dicalcium Phosphate, Ester-C Calcium Ascorbate) 150 mg Under-dosed
  • Phosphorus (as Magnesium Phosphate, Potassium Phosphate) 100 mg Under-dosed
  • Magnesium (as Magnesium Phosphate) 60 mg Under-dosed
  • Zinc (as Zinc Ascorbate) 2 mg Under-dosed
  • Manganese (as Manganese Gluconate) 0.5 mg Under-dosed
  • Chromium (as Chromium Chloride) 5 mcg Under-dosed
  • Sodium (as Sodium Bicarbonate) 40 mg Under-dosed
  • Potassium (as Potassium Bicarbonate, Potassium Carbonate, Potassium Phosphate) 400 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 25 kcal
Total Carbohydrates 7 g 2%
Vitamin A (as Beta-Carotene) 800 IU 16%
Vitamin C (as Ester-C Calcium Ascorbate) 1026 mg 1710%
Thiamine (as Thiamine Hydrochloride, Vitamin B1) 0.38 mg 25%
Riboflavin (as Vitamin B2) 0.43 mg 25%
Niacin (as Niacinamide) 5 mg 25%
Vitamin B6 (as Pyridoxine Hydrochloride) 10 mg 500%
Folic Acid 12.5 mcg 3%
Vitamin B12 (as Cyanocobalamin) 25 mcg 417%
Pantothenic Acid (as D-Calcium Pantothenate) 2.5 mg 25%
Calcium (as Calcium Carbonate, Calcium D-Pantothenate, Dicalcium Phosphate, Ester-C Calcium Ascorbate) 150 mg 15%
Phosphorus (as Magnesium Phosphate, Potassium Phosphate) 100 mg 10%
Magnesium (as Magnesium Phosphate) 60 mg 15%
Zinc (as Zinc Ascorbate) 2 mg 13%
Manganese (as Manganese Gluconate) 0.5 mg 25%
Chromium (as Chromium Chloride) 5 mcg 4%
Sodium (as Sodium Bicarbonate) 40 mg 2%
Potassium (as Potassium Bicarbonate, Potassium Carbonate, Potassium Phosphate) 400 mg 11%
Antioxidant Health Proprietary Blend 58 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cane Sugar Generally_safe

It is used as a sweetener.

Citric Acid Safe

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

Natural Orange Flavor Safe

It is used to add orange flavor to the supplement.

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
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 Effervescent 1000 mg Natural Orange Flavor a good supplement?

Solgar Ester-C Effervescent 1000 mg Natural Orange Flavor received a product quality score of 72/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 20 active ingredients with 21 servings per container. Of the 4 inactive ingredients, 3 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 Effervescent 1000 mg Natural Orange Flavor?

Solgar Ester-C Effervescent 1000 mg Natural Orange Flavor contains 20 active ingredients: Calories (25 kcal), Total Carbohydrates (7 g), Vitamin A (as Beta-Carotene) (800 IU), Vitamin C (as Ester-C Calcium Ascorbate) (1026 mg), Thiamine (as Thiamine Hydrochloride, Vitamin B1) (0.38 mg), Riboflavin (as Vitamin B2) (0.43 mg), and 14 more. Notable high-dose ingredients include Vitamin C at 1710% DV, Vitamin B6 at 500% DV, Vitamin B12 at 417% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Solgar Ester-C Effervescent 1000 mg Natural Orange Flavor safe to take?

Solgar Ester-C Effervescent 1000 mg Natural Orange Flavor 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.

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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.