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Scored forOutcome alternatives
Natural Factors120 count • 59 servingsAvailable now$20.13$0.34 / serving4.8 · 2,187 ratings
88−6 pts from leader
#94 of 7799 ranked for immune functionLeader · Centrum, Centrum, Men Complete Multivitamin, 120 Tablets — 94
Why this ranks #94 for immune function
- Evidence fitZinc Citrate and Retinyl Palmitate are the strongest evidence signals for this outcome.
- Dose fit1 of 3 dosed ingredients land in the studied range. Zinc Citrate at 15 mg lands inside the studied 15-50 mg window.
- Price / serving$0.34 per serving — mid price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
The numbers · Immune function
88
97
79
99
15 mgIn rangeinside the studied 15-50 mg window
25 mgBelow rangebelow the studied 200-800 mg window
2625 mcg (calculated)Above rangehigher than the studied 700-1500 mcg window
250 mg
25 mg
2625 mcg
300 mcg
0.5 mg
100 mg
100 mg
50 mg
100 mcg
0.75 mg
400 mcg
67 mg
400 mcg
150 mcg
0.5 mg
62.5 mg
62.5 mg
7.5 mg
11.3 mg
11.3 mg
15 mg
15 mg
30 mg
50 mg
50 IU
30 mcg
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