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

60 servings · $0.37/serving

51 / 100Average

Score Breakdown

Formulation
54
Safety
79
Final score
51/100

Ingredients (26)

24 scored · 2 not scored

Vitamin DSynergy2000 IU

Optimal dose · Premium form

Molybdenum45 mcg

Within effective range

Vitamin ESynergy15 mg

30% of effective dose · Premium form

Vitamin B12Synergy10 mcg

4% of effective dose · Premium form

Biotin50 mcg

5% of effective dose

Label Nutrition Facts

Other Ingredients

Fillers, coatings, and additives

3Safe1Caution

MaltodextrinBinder

Caution

Microcrystalline CelluloseBinder

Safe

Croscarmellose SodiumDisintegrant

Safe

Microcrystalline CelluloseBinder

Safe

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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.