BioStacks
Best for
Ingredients (2)
Iodine
100%Dose
290 mcg
Target
150–500 mcg
Form
Standard
Kelp
100%Dose
363 mg
Target
150–600 mg
Form
Standard
Other Ingredients (1)
Capsule ShellCapsule
Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.
How to Take It
Take it anytime
Timing doesn't matter for this one — taking it consistently does.
With or without food
On the label
Adults take 1 capsule daily. Not formulated for children. Do not exceed recommended dose.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$12.99
Near the median of 10 kelp supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.