Emergen-C Zero Sugar Daily Immune Support Tropical Citrus supplement bottle
Emergen-C

Zero Sugar Daily Immune Support Tropical Citrus Review

What We Researched
19 active ingredients analyzed · 9 inactive ingredients decoded · 4 brand certifications checked · Page generated: Sep 2026
71
Product Score Fair
93
Brand Score Excellent

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

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as ascorbic acid, zinc ascorbate) 1000 mg 1,111%
Thiamin (as thiamine hydrochloride) (Vit B1) 0.36 mg 30%
Riboflavin (as riboflavin-5'-phosphate) (Vit B2) 0.39 mg 30%
Niacin (Vit B3) 4 mg 25%
Vitamin B6 (as pyridoxine hydrochloride) 10 mg 588%
Folate (Vit B9) (100 mcg Folic Acid) 167 mcg DFE 42%
Vitamin B12 (as cyanocobalamin) 25 mcg 1,042%
Pantothenic Acid (as calcium pantothenate) 2.5 mg 50%
Calcium (as calcium carbonate, monobasic calcium phosphate, tribasic calcium phosphate, calcium pantothenate) 50 mg 4%
Phosphorus (as monobasic potassium phosphate, monobasic calcium phosphate, monobasic sodium phosphate, tribasic calcium phosphate) 38 mg 3%
Magnesium (as magnesium hydroxide, magnesium carbonate) 53 mg 13%
Zinc (as zinc ascorbate) 2 mg 18%
Manganese (as manganese gluconate) 0.5 mg 22%
Sodium (as sodium bicarbonate, monobasic sodium phosphate) 65 mg 3%
Potassium (as potassium bicarbonate, potassium carbonate, monobasic potassium phosphate) 200 mg 4%
Bioavailability Good

Absorption Rating

  • Vitamin C (as ascorbic acid, zinc ascorbate) Good
  • Thiamin (as thiamine hydrochloride) (Vit B1) Fair
  • Riboflavin (as riboflavin-5'-phosphate) (Vit B2) Good
  • Niacin (Vit B3) Good
  • Vitamin B6 (as pyridoxine hydrochloride) Fair
  • Folate (Vit B9) (100 mcg Folic Acid) Fair
  • Vitamin B12 (as cyanocobalamin) Fair
  • Pantothenic Acid (as calcium pantothenate) Good
  • Calcium (as calcium carbonate, monobasic calcium phosphate, tribasic calcium phosphate, calcium pantothenate) Fair
  • Phosphorus (as monobasic potassium phosphate, monobasic calcium phosphate, monobasic sodium phosphate, tribasic calcium phosphate) Good
  • Magnesium (as magnesium hydroxide, magnesium carbonate) Poor
  • Zinc (as zinc ascorbate) Fair
  • Manganese (as manganese gluconate) Good
  • Sodium (as sodium bicarbonate, monobasic sodium phosphate) Good
  • Potassium (as potassium bicarbonate, potassium carbonate, monobasic potassium phosphate) Good
Other Ingredients Excellent

Fillers & Additives

  • Acacia
  • Maltodextrin
  • Citric Acid
  • Malic Acid
  • Tartaric Acid
  • Beta-Carotene (Color)
  • Natural Flavors
  • Rebaudioside A (Extracted and Purified from Natural Stevia Leaf)
  • Silicon Dioxide
Efficacy Poor

Dosage Analysis

  • Vitamin C (as ascorbic acid, zinc ascorbate) 1000 mg Effective
  • Thiamin (as thiamine hydrochloride) (Vit B1) 0.36 mg Under-dosed
  • Riboflavin (as riboflavin-5'-phosphate) (Vit B2) 0.39 mg Under-dosed
  • Niacin (Vit B3) 4 mg Under-dosed
  • Vitamin B6 (as pyridoxine hydrochloride) 10 mg Effective
  • Folate (Vit B9) (100 mcg Folic Acid) 167 mcg DFE Under-dosed
  • Vitamin B12 (as cyanocobalamin) 25 mcg Effective
  • Pantothenic Acid (as calcium pantothenate) 2.5 mg Under-dosed
  • Calcium (as calcium carbonate, monobasic calcium phosphate, tribasic calcium phosphate, calcium pantothenate) 50 mg Under-dosed
  • Phosphorus (as monobasic potassium phosphate, monobasic calcium phosphate, monobasic sodium phosphate, tribasic calcium phosphate) 38 mg Under-dosed
  • Magnesium (as magnesium hydroxide, magnesium carbonate) 53 mg Under-dosed
  • Zinc (as zinc ascorbate) 2 mg Under-dosed
  • Manganese (as manganese gluconate) 0.5 mg Under-dosed
  • Sodium (as sodium bicarbonate, monobasic sodium phosphate) 65 mg Under-dosed
  • Potassium (as potassium bicarbonate, potassium carbonate, monobasic potassium phosphate) 200 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 15
Total Carbohydrate 4 g 1%
Total Sugars 0 g
Includes 0 g Added Sugars 0%
Vitamin C (as ascorbic acid, zinc ascorbate) 1000 mg 1,111%
Thiamin (as thiamine hydrochloride) (Vit B1) 0.36 mg 30%
Riboflavin (as riboflavin-5'-phosphate) (Vit B2) 0.39 mg 30%
Niacin (Vit B3) 4 mg 25%
Vitamin B6 (as pyridoxine hydrochloride) 10 mg 588%
Folate (Vit B9) (100 mcg Folic Acid) 167 mcg DFE 42%
Vitamin B12 (as cyanocobalamin) 25 mcg 1,042%
Pantothenic Acid (as calcium pantothenate) 2.5 mg 50%
Calcium (as calcium carbonate, monobasic calcium phosphate, tribasic calcium phosphate, calcium pantothenate) 50 mg 4%
Phosphorus (as monobasic potassium phosphate, monobasic calcium phosphate, monobasic sodium phosphate, tribasic calcium phosphate) 38 mg 3%
Magnesium (as magnesium hydroxide, magnesium carbonate) 53 mg 13%
Zinc (as zinc ascorbate) 2 mg 18%
Manganese (as manganese gluconate) 0.5 mg 22%
Sodium (as sodium bicarbonate, monobasic sodium phosphate) 65 mg 3%
Potassium (as potassium bicarbonate, potassium carbonate, monobasic potassium phosphate) 200 mg 4%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Acacia Generally_safe

It is used as a binder or thickener.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Citric Acid Safe

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

Malic Acid Safe

Adds tartness and enhances fruit flavors in gummies and chewables.

Tartaric Acid Safe

Provides sour taste in chewable supplements.

Beta-Carotene (Color) Safe

It is used to add color to supplements.

Natural Flavors Safe

Improves taste of chewable, gummy, or liquid supplements.

Rebaudioside A (Extracted and Purified from Natural Stevia Leaf) Safe

It is used as a natural sweetener.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Brand Trust Report
Emergen-C

Founded 1978 · Weybridge, Surrey, United Kingdom · 35 products · emergenc.com/

Certifications

4 certifications
Consumerlab Source available Primary evidence
Gluten Free Gfco Source available Primary evidence
NSF Contents Certified Supporting evidence unavailable
NSF Certified Supporting evidence unavailable

Transparency

3 claims
Third Party Testing Claim — Verified Evidence available Evidence
Testing Lab Disclosure — Claimed Evidence available Evidence

Violation History

4 incidents
Lawsuit Gummy products contain significantly less Vitamin C than advertised on the label.2024 Source available Primary source
Lawsuit Falsely advertising products as containing 'Natural Flavors' and 'Natural Fruit Flavors' when they contain the artificial ingredient DL malic acid.2023 Source available Primary source
Recall Emergen-C Energy Release & Immunity Support Food Supplement Super Orange 8 Sachets2021-10-15 Source available Primary source
Lawsuit Deceptively marketing the supplement as providing health benefits, including reducing the risk of or preventing colds and flu, without scientific evidence to support such claims.2014 Source available Primary source
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Frequently Asked Questions
Is Emergen-C Zero Sugar Daily Immune Support Tropical Citrus a good supplement?

Emergen-C Zero Sugar Daily Immune Support Tropical Citrus received a product quality score of 71/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 19 active ingredients with 18 servings per container. All 9 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Emergen-C, holds a brand trust score of 93/100.

What are the ingredients in Emergen-C Zero Sugar Daily Immune Support Tropical Citrus?

Emergen-C Zero Sugar Daily Immune Support Tropical Citrus contains 19 active ingredients: Calories (15), Total Carbohydrate (4 g), Total Sugars (0 g), Includes 0 g Added Sugars, Vitamin C (as ascorbic acid, zinc ascorbate) (1000 mg), Thiamin (as thiamine hydrochloride) (Vit B1) (0.36 mg), and 13 more. Notable high-dose ingredients include Vitamin C at 1,111% DV, Vitamin B6 at 588% DV, Vitamin B12 at 1,042% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Emergen-C Zero Sugar Daily Immune Support Tropical Citrus safe to take?

GoodSupp reviewed the inactive-ingredient data available for Emergen-C Zero Sugar Daily Immune Support Tropical Citrus. All 9 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Emergen-C a trustworthy supplement brand?

Emergen-C receives a brand trust score of 93/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1978 and headquartered in Weybridge, Surrey, United Kingdom, the company offers 35 products in their lineup. Note: Emergen-C has 4 historical regulatory incidents on record, which are factored into the trust score.

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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.