Twinlab Zinc Caps, 30 mg, 100 Capsules supplement bottle
Twinlab

Zinc Caps, 30 mg, 100 Capsules

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
100
Product Score Excellent
64
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Zinc (as zinc gluconate dihydrate, zinc picolinate) 30 mg 273%
Bioavailability Excellent

Absorption Rating

  • Zinc (as zinc gluconate dihydrate, zinc picolinate) Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Medium Chain Triglycerides
  • Magnesium Stearate
Efficacy Excellent

Dosage Analysis

  • Zinc (as zinc gluconate dihydrate, zinc picolinate) 30 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Zinc (as zinc gluconate dihydrate, zinc picolinate) 30 mg 273%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Medium Chain Triglycerides Safe

Enhances absorption of fat-soluble vitamins.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$13$11$10$8$6 Mar 12 $10.79$8.22
iHerb
Vitacost

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

Brand Trust Report
Twinlab

Founded 1968 · Boca Raton, Florida, USA · 14 products · twinlab.com

Certifications

1 certification
Consumerlab Verified Source

Transparency

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

Violation History

1 incident
Lawsuit Securities fraud, making false and misleading statements, and overstating inventory.2001Source
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Frequently Asked Questions
Is Twinlab Zinc Caps, 30 mg a good supplement?

Twinlab Zinc Caps, 30 mg, 100 Capsules received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Twinlab, holds a brand trust score of 64/100 with 1 verified certifications including Consumerlab.

What are the ingredients in Twinlab Zinc Caps, 30 mg?

Twinlab Zinc Caps, 30 mg contains 1 active ingredients: Zinc (as zinc gluconate dihydrate, zinc picolinate) (30 mg). Notable high-dose ingredients include Zinc at 273% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Twinlab Zinc Caps, 30 mg safe to take?

Twinlab Zinc Caps, 30 mg, 100 Capsules has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Twinlab a trustworthy supplement brand?

Twinlab receives a brand trust score of 64/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Boca Raton, Florida, USA, the company offers 14 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: Twinlab has 1 historical regulatory incident 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.