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The short answer · Immune function

Take zinc & vitamin a for immune function. This is the one to buy.

Centrum, Men Complete Multivitamin, 120 Tablets
1

Centrum, Men Complete Multivitamin, 120 Tablets

4.7· 4,614 ratings· $0.13/serving

DoseRank score94

Zinc 11 mg — inside the studied 10-50 mg window

Of 7,429 products scored for Immune function, Centrum, Men Complete Multivitamin, 120 Tablets ranks #1 with a DoseRank score of 94. Zinc and Vitamin A are the strongest evidence signals for this outcome.

The form“Why Zinc & Vitamin A?”Evidence Strong evidence

Zinc and Vitamin A are the strongest evidence signals for this outcome.

  • ZincThe pick

    Strong evidence · 11 mg

    Trace mineral supporting immune function, wound healing, and hundreds of enzymes; absorption varies by form, and prolonged high intake can deplete copper.

  • Vitamin AThe pick

    Strong evidence · 1050 mcg

    Fat-soluble vitamin essential for vision, immune function, and cell differentiation; preformed retinol accumulates and is toxic in excess.

  • Calcium Ascorbate

    Moderate evidence · 235 mg (calculated)

    Vitamin C buffered with calcium for a gentler, non-acidic form easier on sensitive stomachs; slightly less elemental vitamin C than plain ascorbic acid.

Buy the #1 pick

Questions

Frequently asked

Centrum, Men Complete Multivitamin, 120 Tablets ranks #1 for Immune function with a DoseRank score of 94. The score blends clinical strength, evidence, dose fit, trust signals and value across 7,429 products scored for this outcome.

Zinc and Vitamin A are the strongest evidence signals for this outcome.

2 of 2 dosed ingredients land in the studied range. Zinc at 11 mg lands inside the studied 10-50 mg window. DoseRank scores this product's dose fit at 69 out of 100.

Centrum, Men Complete Multivitamin, 120 Tablets works out at $0.13 per serving. $0.13 per serving — low price tier for this outcome. The cheapest ranked pick here is $0.08 per serving.

No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.

Use rankings as research support

DoseRank rankings are informational and not medical advice. If you are pregnant, breastfeeding, using medications, or managing a health condition, ask a qualified clinician whether a supplement fits your situation. Stop use and report concerning adverse events to a clinician, the product maker, or the retailer.

Disclosure

Retailer links may be affiliate links. Rankings and placement are not paid placement.

Centrum, Men Complete Multivitamin, 120 Tablets

$0.13/serving · ★ 4.7 · In stock

60-sec quizView on iHerb
View on iHerb— $0.13/sv60-sec quiz instead
Cheaper alternative$0.02 per serving21st Century, Zinc Citrate, 50 mg, 360 Tablets

Retailer links may be affiliate links. Rankings and placement are never paid.

The dose“Is the dose actually effective?”Dose fit 69

2 of 2 dosed ingredients land in the studied range. Zinc at 11 mg lands inside the studied 10-50 mg window.

Zinc

Studied window 10-50 mg · this pick 11 mg

Vitamin A

Studied window 700-3000 mcg · this pick 1050 mcg

40 mcg
210 mg
35 mcg
0.9 mg
200 mcg
150 mcg
8 mg
100 mg
2.3 mg
50 mcg
16 mg
15 mg
20 mg
1.3 mg
100 mcg
1.2 mg
6 mcg
2 mg
90 mg
25 mcg
20.3 mg
60 mcg
The ranking“Why should I trust this pick?”Trust 92

Strong trust signals — consistently high marks from verified buyer ratings. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.

  • 7,429 products scored
  • Never paid placement
  • Evidence level: Strong · 92
  • 569 brands
  • 64 ingredients
See the full analysis — every score, every productHow the ranking works
The price“Can I do better than $0.13 a serving?”Value 82

$0.13 per serving — low price tier for this outcome. The cheapest ranked pick here is $0.08 per serving.

  • 5
    Centrum, Adults Multivitamin, 200 TabletsScore 93 · $0.08/serving
    iHerb
  • 2
    One-A-Day, Men's Multi, 200 TabletsScore 94 · $0.08/serving
    iHerb

Why not the absolute cheapest? The DoseRank score also weighs clinical strength, evidence, dose fit and trust — the very cheapest listings rarely hold up everywhere else.

Ready?

The #1 pick is $0.13 a serving.

Centrum, Men Complete Multivitamin, 120 Tablets — in stock at a tracked retailer.

View on iHerb
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