BioStacks
Natures Craft

Thyroid Complex

2 Capsules · 60 servings · $0.58/serving

iHerbAmazon

Best for

HormonesGeneral Health

Ingredients (15)

Bladderwrack

100%

Dose

50000 mcg

Target

150–500 mcg

Form

—

Molybdenum

100%

Dose

50 mcg

Target

45–75 mcg

Form

—

Iodine

100%

Dose

150 mcg

Target

150–500 mcg

Form

Premium

Manganese

100%

Dose

2 mg

Target

1.8–5 mg

Form

Standard

Selenium

100%

Dose

200 mcg

Target

100–200 mcg

Form

Standard

Other Ingredients (5)

Rice FlourFiller

Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Magnesium StearateLubricant

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

Sodium Copper ChlorophyllinColor

Water-soluble semisynthetic chlorophyll derivative used as a green colorant

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

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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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