For covering your basic nutritional gaps, this women's multivitamin packs 23+ ingredients into a single daily tablet. The highlight is **Vitamin D3** at 2,000 IU (50mcg), which is a genuinely useful dose for immune and bone support — well above the conservative RDA. **Iron** at 6mg in a chelated form and **Folate** at 400mcg DFE (as folic acid) address two common women's health priorities, though the iron is below the 18mg RDA for premenopausal women.

Most B vitamins land near or above their RDAs but below typical B-complex supplemental ranges. **Vitamin B12** is in the preferred methylcobalamin form at 10mcg, while **Zinc** at 11mg (zinc citrate) hits the RDA. Minerals like **Magnesium** (50mg) and **Calcium** (100mg) are included at token amounts — you'd need dietary sources to reach meaningful intakes.

Three proprietary blends add organic superfoods, ashwagandha, and a probiotic, but at 80mg, 86mg, and 37mg respectively, the individual ingredient amounts are too small to deliver standalone benefits. What this means for you: this product works best as a nutritional safety net, not a replacement for targeted supplementation in any specific health area.

BioStacks
Rainbow Light

Women's One Daily Multivitamin, High Potency, 60 Vegetarian Tablets

1 Tablet · 60 servings · $0.37/serving

iHerbAmazon

Best for

ImmuneGeneral HealthDental

Ingredients (26)

Vitamin D

100%

Dose

2000 IU

Target

1000–5000 IU

Form

Premium

Vitamin B6

100%

Dose

20 mg

Target

1.3–25 mg

Form

Premium

Manganese

100%

Dose

2.3 mg

Target

1.8–5 mg

Form

Standard

Molybdenum

100%

Dose

45 mcg

Target

45–75 mcg

Form

Standard

Vitamin B12

4%

Dose

10 mcg

Target

250–5000 mcg

Form

Premium

Other Ingredients (4)

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.

Coating (unspecified)Coating

Generic tablet coating declaration where the label does not itemize the coating's components; modern aqueous film coatings are typically cellulose-based (HPMC) with a plasticizer

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

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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