Think of this as daily nutritional insurance: one tablet covers 21 vitamins and minerals at roughly the amounts you need to avoid a shortfall — not the higher amounts research uses to push a specific health goal. The one nutrient that actually reaches its clinical range is **Vitamin D3** at 1,000 IU, the bottom of the useful 1,000–5,000 IU window and in the form your body uses directly. Folate (400 mcg), iodine (150 mcg), and calcium (210 mg) also land at their supplemental floors.

It's tagged for immune and bone support, and the building blocks are here but lightly dosed — 11 mg of zinc, 99 mg of vitamin C, and 55 mg of selenium each meet your daily requirement but fall below the amounts trials use for immune or recovery outcomes. It's iron-free, which fits men, who rarely need supplemental iron. Several minerals use forms your body absorbs poorly — magnesium and zinc both as oxides — so the dose you take up is lower than the label number.

The honest read: this is broad, low-dose coverage, not a tool for any single goal. Most B vitamins, chromium, and lycopene sit at a fraction of their studied ranges — B12 at 6 mcg against a 250 mcg supplemental range, lycopene at 0.3 mg against the 10–30 mg used in research. If you eat reasonably well, one tablet fills small gaps; if you're targeting energy, immunity, or bone strength, you'd want dedicated doses this tablet isn't built to deliver.

BioStacks
One-A-Day

Men's Complete Multivitamin

One tablet

iHerbAmazon

Best for

DentalImmuneBone & Joint

Ingredients (22)

Vitamin B6

100%

Dose

2.2 mg

Target

1.3–25 mg

Form

—

Niacin

70%

Dose

17.6 mg

Target

25–500 mg

Form

—

Pantothenic Acid

31%

Dose

15.5 mg

Target

50–500 mg

Form

—

Biotin

4%

Dose

43 mcg

Target

1000–5000 mcg

Form

—

Vitamin A

100%

Dose

900 mcg

Target

700–1500 mcg

Form

Budget

Other Ingredients (35)

TalcAnti-caking

IARC classifies cosmetic-grade talc not containing asbestos as Group 2B (possibly carcinogenic to humans); perineal talc use as Group 2A (probably carcinogenic). Johnson & Johnson voluntarily withdrew talc-based baby powder from US/Canada in 2020 and globally in 2022 after extensive litigation tied to ovarian-cancer and mesothelioma cases. The 2018 FDA contamination survey found asbestos in 9 of 52 cosmetic talc products tested. As a supplement excipient talc is a pure manufacturing convenience — no nutritional or functional benefit to the user — so the asbestos-exposure risk has no offsetting upside. Safer alternatives (silicon dioxide, microcrystalline cellulose, rice hulls) are widely available.

MaltodextrinBinder

Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.

BiotinFood

Vitamin B7, a water-soluble B-vitamin.

Folic AcidVitamin

Synthetic form of vitamin B9 used for fortification — supports red blood cell formation and neural tube development. Pharmacologically distinct from the natural/active form (5-methyltetrahydrofolate, methylfolate).

InulinFiller

Prebiotic soluble fiber from chicory root, used as a filler and flow agent in capsules and tablets

LycopeneAntioxidant

A red carotenoid pigment/antioxidant, typically sourced from tomato.

Magnesium OxideMineral Source

An inorganic magnesium salt used as a magnesium source or bulking mineral.

Medium Chain Triglyceride OilCarrier

Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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