BioStacks
One A Day

Active Focus

1 Capsule · 30 servings · $0.83/serving

64 / 100Good

Score Breakdown

Formulation
73
Safety
87
Final score
64/100

Ingredients (3)

L-Theanine

100%

Dose

200 mg

Target

100–250 mg

Form

Ginseng, Powder

100%

Dose

200 mg

Target

200–400 mg

Form

Caffeine

75%

Dose

75 mg

Target

100–400 mg

Form

Other Ingredients (5)

Rice ExtractFiller

Rice-based ingredients carry risk of inorganic arsenic contamination. Vague labeling — 'rice extract' does not specify what is extracted or standardized. Used as a cheap filler with no supplemental benefit.

Rice HullsAnti-caking

Ground outer husk of rice grains used as a plant-based flow and anti-caking agent

Gum AcaciaBinder

Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements

HypromelloseCapsule

Plant-derived capsule material from cellulose

Sunflower Seed OilCarrier

Common vegetable oil from sunflower seeds used as a carrier in softgels for fat-soluble nutrients

Track this supplement in your stack

Get personalized insights, interactions, and coverage recommendations.

Get Started Free

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.