BioStacks
Kirkland Signature

Super B-Complex With Electrolytes

1 Tablet · 500 servings

iHerbAmazon
21 / 100Poor

Best for

Pregnancy

Score Breakdown

Formulation
23
Safety
87
Final score
21/100

Ingredients (11)

Niacin

100%

Dose

25 mg

Target

25–500 mg

Form

—

Vitamin B6

12%

Dose

3 mg

Target

25–100 mg

Form

—

Pantothenic Acid

11%

Dose

5.5 mg

Target

50–500 mg

Form

—

Biotin

30%

Dose

300 mcg

Target

1000–5000 mcg

Form

—

Thiamine

100%

Dose

100 mg

Target

25–100 mg

Form

Not listed

Other Ingredients (19)

MannitolSweetener

A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at higher doses. Supplement amounts are typically small, but individuals with IBS or sugar alcohol sensitivity may react even at low doses.

BiotinFood

Vitamin B7, a water-soluble B-vitamin.

Folic AcidVitamin

Synthetic form of vitamin B9 used for fortification — supports red blood cell formation and neural tube development. Pharmacologically distinct from the natural/active form (5-methyltetrahydrofolate, methylfolate).

Magnesium StearateLubricant

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

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Ascorbic AcidAntioxidant

Vitamin C used as an antioxidant preservative in supplements to prevent oxidation

Calcium CarbonateBuffer

Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements

Carnauba WaxCoating

Hard plant wax from the carnauba palm used to glaze gummies and tablets

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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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