BioStacks
Source Naturals

Biotin 1,000 mcg

1 Tablet · 100 servings

iHerbAmazon

Best for

Hair

Ingredients (1)

Biotin

100%

Dose

1000 mcg

Target

1000–5000 mcg

Form

—

Other Ingredients (3)

Magnesium StearateLubricant

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

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

How to Take It

Take it anytime

Timing doesn't matter — but stop taking it 2–3 days before any blood test. Biotin skews thyroid and troponin lab results.

With or without food

On the label

1 tablet daily.

General guidance based on the ingredients, not a substitute for the label or your doctor.

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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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