SupplementDuel

Zinc

Mineral

Critical for testosterone, immune function, and >300 enzymes. Doses above 40 mg/day require copper to prevent deficiency.

immunetestosteronewound-healingenzymes
Typical dose
15–30 mg daily
Evidence
Strong (multiple RCTs / meta-analyses)
Onset time
Cumulative: 2–8 weeks
Half-life
~3 hours
Forms
Capsule, Tablet, Liquid
Source
mineral
Best taken with
with food (avoid calcium / iron at same time)
Best time of day
evening
Bioavailability
4/5
Safety rating
4/5
Price per serving
$0.08
Vegan / GF / 3rd-party
✓ / ✓ / ✓
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Vetted brands, third-party testing, ships worldwide.

Common uses

  • • Immune
  • • Testosterone
  • • Wound healing
  • • Acne

Effect profile

Strength
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Muscle
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Energy
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Focus
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Mood
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Sleep
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Immunity
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Recovery
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Longevity
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Common side effects

  • • Nausea on empty stomach
  • • Copper deficiency (long-term high doses)

Avoid if

  • • Wilson's disease

Drug interactions

  • • Antibiotics
  • • Diuretics
  • • Iron / calcium (timing)

Related mineral supplements

Zinc vs Iron BisglycinateZinc vs Selenium (Selenomethionine)Zinc vs Iodine (Potassium Iodide)

Medical disclaimer

SupplementDuel is for educational purposes only and is not medical advice. Consult a physician before starting, stopping, or combining supplements.