GNC
Zinc 30 mg


79/100
SUPPIE SCORE
92/100
EFFICACY
Medium
SAFETY
88/100
CLEANLINESS
What Does Zinc 30 mg Do?
High-efficacy zinc gluconate at evidence-based 30mg dose supports immunity, skin, reproduction. Medium safety due to copper interference risk with prolonged use; ideal short-term.
What is the evidence for zinc supporting immune function?
Is 30mg zinc daily safe for long-term use?
How does zinc gluconate compare to other zinc forms for absorption?
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What Are the Benefits of Zinc 30 mg?
Based on proven scientific research
Immune SupportVery strong
Reproductive HealthStrong
Skin HealthModerate
Wound HealingStrong
Good For:
What Are the Side Effects of GNC Zinc 30 mg?
Always consult your health practitioner if in doubt.
RiskMedium Risk
Overview
•30mg exceeds RDA (11mg men/8mg women) but below UL (40mg); monitor for deficiency correction
•Zinc gluconate well-tolerated; nausea possible if taken empty stomach
•Long-term high dose may cause copper deficiency; consider copper co-supplementation if >3 months
•Safe for most adults; avoid in Wilson's disease or copper deficiency
•No allergens present; gluten-free, dairy-free, soy-free per label
•Pregnancy: RDA higher (11-13mg); consult physician before 30mg dose
Potential Side Effects
Negative Interactions
Inactive Ingredients
Microcrystalline cellulose
Low RiskDicalcium phosphate
Low RiskStearic acid (vegetable source)
Low RiskMagnesium stearate
Low RiskWhat Are the Ingredients in GNC Zinc 30 mg?
Zinc (as Zinc Gluconate)
30mg
Microcrystalline Cellulose
Dicalcium Phosphate
Stearic Acid (vegetable source)
Magnesium Stearate
Dosage & Bioavailability
How the active doses and forms in Zinc 30 mg compare to the research.
•Zinc (as Zinc Gluconate) — 30 mg per serving is over the 25 mg/day upper limit (EU SCF/EFSA); the US limit is 40 mg/day (IOM (NIH ODS)).
•Zinc (as Zinc Gluconate) — zinc gluconate is one of the better-absorbed, well-studied forms of zinc.
Frequently Asked Questions
Common questions about GNC Zinc 30 mg