Best Naturals Zinc 100 mg with Vitamin C & D3 180 Tablets Gluten Free and Non-GMO supplement bottle
Best Naturals

Zinc 100 mg with Vitamin C & D3 180 Tablets Gluten Free and Non-GMO

What We Researched
3 active ingredients analyzed · 7 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
89
Product Score Good
67
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as ascorbic acid) 180.0 mg 300%
Vitamin D3 (as cholecalciferol) 25.0 mcg (1000 IU) 125%
Zinc (as oxide & gluconate) 100.0 mg 666%
Bioavailability Good

Absorption Rating

  • Vitamin C (as ascorbic acid) Fair
  • Vitamin D3 (as cholecalciferol) Good
  • Zinc (as oxide & gluconate) Fair
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Microcrystalline Cellulose
  • Stearic Acid (Vegetable Source)
  • Croscarmellose Sodium
  • Magnesium Stearate (Vegetable Source)
  • Silicon Dioxide
  • Pharmaceutical Glaze
Efficacy Excellent

Dosage Analysis

  • Vitamin C (as ascorbic acid) 180.0 mg Effective
  • Vitamin D3 (as cholecalciferol) 25.0 mcg (1000 IU) Effective
  • Zinc (as oxide & gluconate) 100.0 mg High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as ascorbic acid) 180.0 mg 300%
Vitamin D3 (as cholecalciferol) 25.0 mcg (1000 IU) 125%
Zinc (as oxide & gluconate) 100.0 mg 666%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Stearic Acid (Vegetable Source) Generally_safe

It is used as a lubricant and release agent.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Magnesium Stearate (Vegetable Source) Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Pharmaceutical Glaze Generally_safe

It is used to coat tablets or capsules for easier swallowing or controlled release.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$12$11$10$9$8 $9.99
Target

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Best Naturals

Founded 2012 · Piscataway, New Jersey, USA · 129 products · shopbestnaturals.com

Certifications

1 certification
Consumerlab Verified Source

Transparency

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

Violation History

2 incidents
Prop 65 Lead and lead compounds2021-12-29Source
Lawsuit Falsely advertising krill oil supplements that allegedly contain no krill.2021Source
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Frequently Asked Questions
Is Best Naturals Zinc 100 mg with Vitamin C & D3 180 Tablets Gluten Free and Non-GMO a good supplement?

Best Naturals Zinc 100 mg with Vitamin C & D3 180 Tablets Gluten Free and Non-GMO received a product quality score of 89/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 3 active ingredients with 180 servings per container. Of the 7 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Best Naturals, holds a brand trust score of 67/100 with 1 verified certifications including Consumerlab.

What are the ingredients in Best Naturals Zinc 100 mg with Vitamin C & D3 180 Tablets Gluten Free and Non-GMO?

Best Naturals Zinc 100 mg with Vitamin C & D3 180 Tablets Gluten Free and Non-GMO contains 3 active ingredients: Vitamin C (as ascorbic acid) (180.0 mg), Vitamin D3 (as cholecalciferol) (25.0 mcg (1000 IU)), Zinc (as oxide & gluconate) (100.0 mg). Notable high-dose ingredients include Vitamin C at 300% DV, Zinc at 666% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Best Naturals Zinc 100 mg with Vitamin C & D3 180 Tablets Gluten Free and Non-GMO safe to take?

Best Naturals Zinc 100 mg with Vitamin C & D3 180 Tablets Gluten Free and Non-GMO 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 Best Naturals a trustworthy supplement brand?

Best Naturals receives a brand trust score of 67/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2012 and headquartered in Piscataway, New Jersey, USA, the company offers 129 products in their lineup. They hold 1 verified certifications including Consumerlab. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Best Naturals has 2 historical regulatory incidents on record, which are factored into the trust score.

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.