KAPPA NUTRITION (90 Capsules), NAC 600mg, Quercetin 1,000mg, Vitamin C 500mg, Zinc 50mg, Vitamin D3 5,000iu, Selenium, Copper, Acerola, Ginger, Rutin, Citrus Bioflavonoids, Rose Hips, Echinacea, Immune N Plus 15 in 1 supplement bottle
KAPPA NUTRITION

(90 Capsules), NAC 600mg, Quercetin 1,000mg, Vitamin C 500mg, Zinc 50mg, Vitamin D3 5,000iu, Selenium, Copper, Acerola, Ginger, Rutin, Citrus Bioflavonoids, Rose Hips, Echinacea, Immune N Plus 15 in 1

What We Researched
16 active ingredients analyzed · 1 inactive ingredient decoded · 1 retailer compared · Last updated: Mar 2026
82
Product Score Good
59
Brand Score Poor

Product Analysis

Transparency Fair

Supplement Facts

IngredientAmount% DV
VITAMIN C AS IMMUNE-C® (L-ASCORBIC ACID) Calcium Ascorbate 500 mg 556%
Vitamin D3 (as Cholecalciferol) 125 mcg 625%
Vitamin K2 (as MK-7 Natural Bacillus Subtilis Natto) 100 mcg 83%
Zinc (as Zinc Bisglycinate Chelate) (Albion®) 15 mg 136%
Selenium (as L-Selenomethionine) 150 mcg 273%
Copper (as Copper Bisglycinate Chelate) (Albion®) 3 mg 333%
Quercetin (as Sophora japonica) (flower) [from 50mg of 20:1] 1,000 mg
NAC (N-Acetyl-L-Cysteine) 600 mg
IMMUNE N PLUS™ ADVANCED COMPLEX 315 mg
Ginger (Root) & Ginger [20:1 Std. Gingerols] (as Zingiber Officinale)
Rutin (as Sophora Japonica) (95% Std.)
Acerola Cherry (as Malpighia glabra L.)
Citrus Bioflavonoids (as Citrus Aurantium L.) (Fruit) (80% Std. Hesperidin)
Rose Hips (Rosa Canina) (Fruit)
Cloves (as Eugenia)
Echinacea
Bioavailability Very Good

Absorption Rating

  • VITAMIN C AS IMMUNE-C® (L-ASCORBIC ACID) Calcium Ascorbate Good
  • Vitamin D3 (as Cholecalciferol) Good
  • Vitamin K2 (as MK-7 Natural Bacillus Subtilis Natto) Good
  • Zinc (as Zinc Bisglycinate Chelate) (Albion®) Good
  • Selenium (as L-Selenomethionine) Good
  • Copper (as Copper Bisglycinate Chelate) (Albion®) Good
  • Quercetin (as Sophora japonica) (flower) [from 50mg of 20:1] Fair
  • NAC (N-Acetyl-L-Cysteine) Good
  • Ginger (Root) & Ginger [20:1 Std. Gingerols] (as Zingiber Officinale) Fair
  • Rutin (as Sophora Japonica) (95% Std.) Fair
  • Acerola Cherry (as Malpighia glabra L.) Fair
  • Citrus Bioflavonoids (as Citrus Aurantium L.) (Fruit) (80% Std. Hesperidin) Good
  • Rose Hips (Rosa Canina) (Fruit) Fair
  • Cloves (as Eugenia) Fair
  • Echinacea Good
Other Ingredients Excellent

Fillers & Additives

  • Vegan Capsule (Plant Cellulose)
Efficacy Excellent

Dosage Analysis

  • VITAMIN C AS IMMUNE-C® (L-ASCORBIC ACID) Calcium Ascorbate 500 mg Effective
  • Vitamin D3 (as Cholecalciferol) 125 mcg High
  • Vitamin K2 (as MK-7 Natural Bacillus Subtilis Natto) 100 mcg Effective
  • Zinc (as Zinc Bisglycinate Chelate) (Albion®) 15 mg Effective
  • Selenium (as L-Selenomethionine) 150 mcg Effective
  • Copper (as Copper Bisglycinate Chelate) (Albion®) 3 mg High
  • Quercetin (as Sophora japonica) (flower) [from 50mg of 20:1] 1,000 mg Effective
  • NAC (N-Acetyl-L-Cysteine) 600 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
VITAMIN C AS IMMUNE-C® (L-ASCORBIC ACID) Calcium Ascorbate 500 mg 556%
Vitamin D3 (as Cholecalciferol) 125 mcg 625%
Vitamin K2 (as MK-7 Natural Bacillus Subtilis Natto) 100 mcg 83%
Zinc (as Zinc Bisglycinate Chelate) (Albion®) 15 mg 136%
Selenium (as L-Selenomethionine) 150 mcg 273%
Copper (as Copper Bisglycinate Chelate) (Albion®) 3 mg 333%
Quercetin (as Sophora japonica) (flower) [from 50mg of 20:1] 1,000 mg
NAC (N-Acetyl-L-Cysteine) 600 mg
IMMUNE N PLUS™ ADVANCED COMPLEX 315 mg
Ginger (Root) & Ginger [20:1 Std. Gingerols] (as Zingiber Officinale)
Rutin (as Sophora Japonica) (95% Std.)
Acerola Cherry (as Malpighia glabra L.)
Citrus Bioflavonoids (as Citrus Aurantium L.) (Fruit) (80% Std. Hesperidin)
Rose Hips (Rosa Canina) (Fruit)
Cloves (as Eugenia)
Echinacea

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

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
KAPPA NUTRITION

Founded 2007 · Texas, USA · 19 products · kappanutrition.com/

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Claimed Source

Violation History

1 incident
Prop 65 Not specifiedSource
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Frequently Asked Questions
Is KAPPA NUTRITION (90 Capsules), NAC 600mg a good supplement?

KAPPA NUTRITION (90 Capsules), NAC 600mg, Quercetin 1,000mg, Vitamin C 500mg, Zinc 50mg, Vitamin D3 5,000iu, Selenium, Copper, Acerola, Ginger, Rutin, Citrus Bioflavonoids, Rose Hips, Echinacea, Immune N Plus 15 in 1 received a product quality score of 82/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 16 active ingredients with 45 servings per container. Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, KAPPA NUTRITION, holds a brand trust score of 59/100.

What are the ingredients in KAPPA NUTRITION (90 Capsules), NAC 600mg?

KAPPA NUTRITION (90 Capsules), NAC 600mg contains 16 active ingredients: VITAMIN C AS IMMUNE-C® (L-ASCORBIC ACID) Calcium Ascorbate (500 mg), Vitamin D3 (as Cholecalciferol) (125 mcg), Vitamin K2 (as MK-7 Natural Bacillus Subtilis Natto) (100 mcg), Zinc (as Zinc Bisglycinate Chelate) (Albion®) (15 mg), Selenium (as L-Selenomethionine) (150 mcg), Copper (as Copper Bisglycinate Chelate) (Albion®) (3 mg), and 10 more. Notable high-dose ingredients include VITAMIN C AS IMMUNE-C® at 556% DV, Vitamin D3 at 625% DV, Selenium at 273% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is KAPPA NUTRITION (90 Capsules), NAC 600mg safe to take?

KAPPA NUTRITION (90 Capsules), NAC 600mg, Quercetin 1,000mg, Vitamin C 500mg, Zinc 50mg, Vitamin D3 5,000iu, Selenium, Copper, Acerola, Ginger, Rutin, Citrus Bioflavonoids, Rose Hips, Echinacea, Immune N Plus 15 in 1 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 KAPPA NUTRITION a trustworthy supplement brand?

KAPPA NUTRITION receives a brand trust score of 59/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2007 and headquartered in Texas, USA, the company offers 19 products in their lineup. Note: KAPPA NUTRITION has 1 historical regulatory incident 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. 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.