Solgar Ester-C Plus Immune Complex supplement bottle
Solgar

Ester-C Plus Immune Complex

What We Researched
16 active ingredients analyzed · 7 inactive ingredients decoded · 2 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
84
Product Score Good
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 1 g 1%
Vitamin A (as Retinyl Palmitate) 750 mcg 83%
Vitamin C (as Calcium Ascorbate, Ester-C) 1000 mg 1111%
Vitamin D (as Cholecalciferol, Vitamin D3) 15 mcg 75%
Vitamin B6 (as Pyridoxine Hydrochloride) 2 mg 118%
Folate 666 mcg DFE 167%
Vitamin B12 (as Cyanocobalamin) 6 mcg 250%
Biotin 300 mcg 1000%
Pantothenic Acid (as D-Calcium Pantothenate) 10 mg 200%
Magnesium (as Magnesium Oxide) 25 mg 6%
Zinc (as Zinc Oxide) 15 mg 136%
Elderberry (as Sambucus nigra) 17 mg
Echinacea purpurea 16.5 mg
Astragalus membranaceus 16.5 mg
Bioavailability Good

Absorption Rating

  • Total Carbohydrates Fair
  • Vitamin A (as Retinyl Palmitate) Good
  • Vitamin C (as Calcium Ascorbate, Ester-C) Good
  • Vitamin D (as Cholecalciferol, Vitamin D3) Good
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Folate Fair
  • Vitamin B12 (as Cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (as D-Calcium Pantothenate) Good
  • Magnesium (as Magnesium Oxide) Poor
  • Zinc (as Zinc Oxide) Poor
  • Elderberry (as Sambucus nigra) Good
  • Echinacea purpurea Good
  • Astragalus membranaceus Fair
Other Ingredients Excellent

Fillers & Additives

  • Rice Bran Oil
  • Gelatin
  • Vegetable Glycerin
  • Natural Caramel Color
  • Yellow Beeswax
  • Sunflower Lecithin
  • Carob powder
Efficacy Good

Dosage Analysis

  • Vitamin A (as Retinyl Palmitate) 750 mcg Effective
  • Vitamin C (as Calcium Ascorbate, Ester-C) 1000 mg Effective
  • Vitamin D (as Cholecalciferol, Vitamin D3) 15 mcg Effective
  • Vitamin B6 (as Pyridoxine Hydrochloride) 2 mg Effective
  • Folate 666 mcg DFE Effective
  • Vitamin B12 (as Cyanocobalamin) 6 mcg Effective
  • Biotin 300 mcg Effective
  • Pantothenic Acid (as D-Calcium Pantothenate) 10 mg Effective
  • Magnesium (as Magnesium Oxide) 25 mg Under-dosed
  • Zinc (as Zinc Oxide) 15 mg Effective
  • Elderberry (as Sambucus nigra) 17 mg Under-dosed
  • Echinacea purpurea 16.5 mg Under-dosed
  • Astragalus membranaceus 16.5 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 15 kcal
Total Fat 1 g 1%
Total Carbohydrates 1 g 1%
Vitamin A (as Retinyl Palmitate) 750 mcg 83%
Vitamin C (as Calcium Ascorbate, Ester-C) 1000 mg 1111%
Vitamin D (as Cholecalciferol, Vitamin D3) 15 mcg 75%
Vitamin B6 (as Pyridoxine Hydrochloride) 2 mg 118%
Folate 666 mcg DFE 167%
Vitamin B12 (as Cyanocobalamin) 6 mcg 250%
Biotin 300 mcg 1000%
Pantothenic Acid (as D-Calcium Pantothenate) 10 mg 200%
Magnesium (as Magnesium Oxide) 25 mg 6%
Zinc (as Zinc Oxide) 15 mg 136%
Elderberry (as Sambucus nigra) 17 mg
Echinacea purpurea 16.5 mg
Astragalus membranaceus 16.5 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Rice Bran Oil Safe

It is used as a carrier oil.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Vegetable Glycerin Safe

Helps form softgel capsule shells and acts as a humectant.

Natural Caramel Color Generally_safe

It is added to provide color to the supplement.

Yellow Beeswax Safe

Helps form and seal softgel capsules.

Sunflower Lecithin Safe

Helps mix oil and water-based ingredients. Allergen-free alternative to soy lecithin.

Carob powder Unknown

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 Plus Immune Complex a good supplement?

Solgar Ester-C Plus Immune Complex received a product quality score of 84/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 16 active ingredients with 30 servings per container. Of the 7 inactive ingredients, 5 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 Immune Complex?

Solgar Ester-C Plus Immune Complex contains 16 active ingredients: Calories (15 kcal), Total Fat (1 g), Total Carbohydrates (1 g), Vitamin A (as Retinyl Palmitate) (750 mcg), Vitamin C (as Calcium Ascorbate, Ester-C) (1000 mg), Vitamin D (as Cholecalciferol, Vitamin D3) (15 mcg), and 10 more. Notable high-dose ingredients include Vitamin C at 1111% DV, Vitamin B12 at 250% DV, Biotin at 1000% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Solgar Ester-C Plus Immune Complex safe to take?

Solgar Ester-C Plus Immune Complex 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.