You're getting **50 billion CFU** per capsule from 16 probiotic species — right in the middle of the 1–100 billion CFU range used in clinical research for digestive and immune support. The blend leans heavily toward Lactobacillus strains (40 billion CFU), with 10 billion from Bifidobacterium, giving you broad coverage across the two most-studied probiotic families for women's gut and vaginal health.

The formula includes an **Organic Prebiotic Fiber Blend** of potato resistant starch and acacia fiber to feed the probiotics. It's a logical pairing, though at 377mg the prebiotic dose is well below the 5–10g clinical range — more of a token inclusion than a functional dose. The one-capsule-per-day format and shelf-stable design (no refrigeration needed) make this easy to stick with.

The biggest gap: none of the 16 species list strain IDs. Probiotic research is strain-specific — **Lactobacillus rhamnosus GG** behaves differently from a generic **L. rhamnosus**. Without strain identification, you're trusting the blend's overall diversity rather than clinically validated strains.

BioStacks
Garden of Life Dr. Formulated Probiotics

Once Daily Women's

Capsule · 30 servings · $1.07/serving

63 / 100Good

Supports

Score Breakdown

Formulation
63
Safety
100
Final score
63/100

Ingredients (2)

Women's Probiotic Blend40 B CFU

94% of effective dose

Organic Prebiotic Fiber Blend377 mg

8% of effective dose

Label Nutrition Facts

Other Ingredients

Fillers, coatings, and additives

1Safe

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.