BioStacks
21st Century

Psyllium Fiber

5 Capsules · 32 servings · $0.27/serving

Under-dosed

Every active here is dosed below the amount studied to work. See how each one compares in the breakdown below.

Ingredients (2)

Dietary Fiber

20%

Dose

2 g

Target

10–30 g

Form

Iron

0.4 mg

Trace amount — not scored

Nutrition

Calories and macros.

  • Dietary Fiber2 g

Other Ingredients (3)

Magnesium StearateLubricant

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

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

Psyllium (seed/husk)Fiber

Natural soluble fiber from Plantago ovata seed husks, widely used as a fiber supplement base

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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.