NOW Ultimate Zinc-C supplement bottle
NOW

Ultimate Zinc-C

What We Researched
9 active ingredients analyzed · 11 inactive ingredients decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
72
Product Score Fair
89
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 2 g 1%
Vitamin A (as Retinyl Palmitate) 1000 IU 20%
Vitamin C (as Ascorbic Acid) 150 mg 250%
Zinc (as Zinc Amino Acid Chelate, Zinc Glycinate) 12 mg 80%
Echinacea purpurea 5 mg
Bee Propolis 5 mg
Slippery Elm 5 mg
Goldenseal 5 mg
Bioavailability Fair

Absorption Rating

  • Total Carbohydrates Fair
  • Vitamin A (as Retinyl Palmitate) Good
  • Vitamin C (as Ascorbic Acid) Fair
  • Zinc (as Zinc Amino Acid Chelate, Zinc Glycinate) Fair
  • Echinacea purpurea Good
  • Bee Propolis Fair
  • Slippery Elm Fair
  • Goldenseal Poor
Other Ingredients Excellent

Fillers & Additives

  • Natural Raspberry Flavor
  • Cellulose
  • Citric Acid
  • Natural Pineapple Flavor
  • Stearic Acid
  • Silica
  • Xanthan Gum
  • Natural Vanilla Flavor
  • Magnesium Stearate
  • Beet Powder
  • Acerola
Efficacy Poor

Dosage Analysis

  • Vitamin A (as Retinyl Palmitate) 1000 IU Under-dosed
  • Vitamin C (as Ascorbic Acid) 150 mg Effective
  • Zinc (as Zinc Amino Acid Chelate, Zinc Glycinate) 12 mg Effective
  • Echinacea purpurea 5 mg Under-dosed
  • Bee Propolis 5 mg Under-dosed
  • Goldenseal 5 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 5 {Calories}
Total Carbohydrates 2 g 1%
Vitamin A (as Retinyl Palmitate) 1000 IU 20%
Vitamin C (as Ascorbic Acid) 150 mg 250%
Zinc (as Zinc Amino Acid Chelate, Zinc Glycinate) 12 mg 80%
Echinacea purpurea 5 mg
Bee Propolis 5 mg
Slippery Elm 5 mg
Goldenseal 5 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Natural Raspberry Flavor Generally_safe

It is used to enhance the taste of the supplement.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Citric Acid Safe

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

Natural Pineapple Flavor Safe

It is used to improve the taste of the supplement.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Xanthan Gum Safe

Thickens and stabilizes liquid and semi-solid supplements.

Natural Vanilla Flavor Generally_safe

It is used to enhance the taste of the supplement.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Beet Powder Safe

It is added to provide a red or pink color.

Acerola 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
NOW

Founded 1968 · Bloomingdale, Illinois, USA · 53 products · nowfoods.com

Certifications

5 certifications
Informed Sport Verified Source
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is NOW Ultimate Zinc-C a good supplement?

NOW Ultimate Zinc-C received a product quality score of 72/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 9 active ingredients Of the 11 inactive ingredients, 8 are rated safe and 0 are flagged for review. The manufacturer, NOW, holds a brand trust score of 89/100 with 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in NOW Ultimate Zinc-C?

NOW Ultimate Zinc-C contains 9 active ingredients: Calories (5 {Calories}), Total Carbohydrates (2 g), Vitamin A (as Retinyl Palmitate) (1000 IU), Vitamin C (as Ascorbic Acid) (150 mg), Zinc (as Zinc Amino Acid Chelate, Zinc Glycinate) (12 mg), Echinacea purpurea (5 mg), and 3 more. Notable high-dose ingredients include Vitamin C at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW Ultimate Zinc-C safe to take?

NOW Ultimate Zinc-C 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 NOW a trustworthy supplement brand?

NOW receives a brand trust score of 89/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 53 products in their lineup. They hold 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project. 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.

What is magnesium good for?

Magnesium Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding magnesium good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

How much magnesium per day?

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 is zinc good for?

Zinc Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding zinc good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

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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.