This multivitamin covers a wide range of vitamins and minerals, with a few meaningful doses. You're getting 2,000 IU of **Vitamin D3** (a well-absorbed form within the clinical range), 200mcg of **Selenium**, and 18mg of **Iron** — all at levels that can make a real difference if you're not getting enough from food. The B vitamins are each dosed at 50mg, which is solid for general energy support, though most are in budget forms your body has to convert before using.

The mineral side is more of a mixed bag. **Calcium** at 500mg is delivered as carbonate and **Magnesium** at 100mg as oxide — both among the least absorbable forms available. **Zinc** at 15mg hits the bottom of the clinical range but is also zinc oxide. You're absorbing meaningfully less than the label suggests for these three minerals.

The "Women's Proprietary Blend" (160mg total for collagen, resveratrol, CoQ10, and lutein) and the "Herbal Blend" (50mg split across 12 botanicals) are too small to deliver any clinical benefit — each ingredient gets just a few milligrams, far below studied doses. These look good on the label but won't do much for you.

BioStacks
Nature's Bounty

Women's Multi, Complete Multivitamin, High Potency

2 Caplets · 60 servings · $0.11/serving

iHerbAmazon

Best for

General HealthImmuneDental

Ingredients (30)

Vitamin D

100%

Dose

2000 IU

Target

1000–5000 IU

Form

Premium

Vitamin B-6

100%

Dose

50 mg

Target

1.3–25 mg

Form

Premium

Pantothenic Acid

100%

Dose

50 mg

Target

50–500 mg

Form

Premium

Iodine

100%

Dose

150 mcg

Target

150–500 mcg

Form

Premium

Niacin

100%

Dose

50 mg

Target

25–500 mg

Form

Standard

Other Ingredients (9)

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.

MannitolSweetener

A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at higher doses. Supplement amounts are typically small, but individuals with IBS or sugar alcohol sensitivity may react even at low doses.

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Carnauba WaxCoating

Hard plant wax from the carnauba palm used to glaze gummies and tablets

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

VanillinFlavor

The primary flavor compound of vanilla, used as a flavoring agent

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

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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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