Supplement Label Index / GNC SuperFoods
Kelp
GNC SuperFoods · Tablet or Pill · On market
Matched compounds
Compound Form Tier Amount
Calcium
Dicalcium Phosphate
Unrated
80 mg
Iodine
Kelp
Tier 3
225 mcg
How these doses compare Calcium : 80 elemental mg per serving — higher than 37% of 18,473 on-market products declaring it (market median 112 elemental mg).Iodine : 225 elemental mcg per serving — higher than 90% of 6,521 on-market products declaring it (market median 150 elemental mcg).Per serving as declared; serving sizes and daily directions differ between products.
Excipients
Label statements
warning: Keep out of reach of children.other: Store in a cool, dry place.other: Vegetarian Formulaother: A natural source of Iodineidentity: Dietary Supplementother: Directions: As a dietary supplement, take one tablet daily.warning: Warnings: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition. warning: Discontinue use two weeks prior to surgery.other: No artificial colors, no artificial flavors, gluten free, no milk.claim: 180-day supply
Sibling formulas (Formula Twins)
View original label on DSLD → · Add to the Stack Checker
Label facts as declared by the manufacturer to the NIH Dietary Supplement Label Database (DSLD), not independently
lab-tested. This page reports what the label says; it does not rate, score, or recommend this product.
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How this page is made: the label facts are the NIH DSLD record, republished by software; the market-comparison figures are computed by scripts from every label in DSLD; explanatory text on this site is written with AI assistance and is not medically reviewed. Details .
Label data is sourced from the NIH Dietary Supplement Label Database (DSLD), released under CC0. Excipient/additive
regulatory data links to the Food Additive Index. Supplement Label Index does not rate products, recommend purchases, or
provide health advice.