BioStacks
21st Century

Stress B with Zinc

1 Tablet · 66 servings · $0.10/serving

22 / 100Poor

Score Breakdown

Formulation
48
Safety
43
Final score
22/100

Ingredients (14)

Niacin

100%

Dose

100 mg

Target

25–500 mg

Form

Standard

Pantothenic Acid

40%

Dose

20 mg

Target

50–500 mg

Form

Premium

Vitamin B6

20%

Dose

5 mg

Target

25–100 mg

Form

Premium

Biotin

5%

Dose

45 mcg

Target

1000–5000 mcg

Form

Vitamin C

100%

Dose

500 mg

Target

25–200 mg

Form

Budget

Other Ingredients (15)

Blue 2 LakeColorant

A synthetic coal-tar/petroleum-derived dye used purely for color, linked to behavioral concerns in sensitive children. The lake form adds aluminum. No health benefit — we flag all artificial colors.

FD&C Red No. 40 LakeColorant

Same petroleum-derived azo dye as Red 40, linked to hyperactivity in children (Southampton study) and carrying an EU warning label; pure cosmetic color with zero benefit.

Titanium DioxideColorant

Banned in the EU (2022) over concerns that its ultra-fine particles may damage DNA in gut cells. Still allowed in the US. Used only for white coloring — provides no health benefit.

FD&C Yellow No. 6Colorant

May trigger sensitivity in some individuals; behavioral concerns in susceptible children

Tapioca DextrinCarrier

A starch hydrolysate from tapioca used as a carrier and flow agent

DextroseSweetener

A simple glucose sugar used as a bulking agent, sweetener, and tablet diluent

Magnesium StearateLubricant

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

Polyethylene Glycol (Coating)Coating

A polyether polymer used as a tablet coating and plasticizer

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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.