PlainVitamins

non-nutrient/non-botanical

Fucoidan supplements

Half of the 11 fucoidan supplements in the NIH label database that print an amount list 300 mg or less per serving; the middle half list 162.5 mg to 400 mg (DSLD version 9.4.0, January 2026).

Products listing it
2311 print an amount; 12 list it inside a blend without an amount
Median per serving
300 mgmiddle half 162.5 mg to 400 mg

How much fucoidan do supplements contain?

The median product lists 300 mg per serving. One in ten lists 100 mg or less, one in ten 500 mg or more. The amount printed most often is 300 mg (4 products).

Products by amount of fucoidan per serving

11 products, log scale; extreme 0.2% at each end left out of the drawing.

Fucoidan: products by amount per serving100 mg300 mg
Fucoidan: products by amount per serving100 mg300 mg
Fucoidan: products by amount per serving100 mg300 mg
Fucoidan: products by amount per serving100 mg300 mg
Fucoidan: products by amount per serving100 mg300 mg
The amounts printed most often
Amount per servingProductsFor example
300 mg4 Fucoidan 300 mg (KAL); Stem Cells Activator (SuperSmart)
500 mg2 Fucoidan Extract 500 mg (Swanson); Fucoidan (Absonutrix)
68 mg1 Limitless Mind (Lean Factor)
100 mg1 SuperPure Fucoidan (Pure Synergy)
155 mg1 Immune Health (Pure Synergy)
170 mg1 Stem Boost-R (LifeSeasons Therapeutics)
798 mg1 Sea Vegetables (PotentSea)

Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).

Which products list the most fucoidan?

On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).

In which products and brands?

Products listing fucoidan by DSLD product type

Fucoidan by product typeNon-Nutrient/Non-Botanical6Other Combinations5
Fucoidan by product typeNon-Nutrient/Non-Botanical6Other Combinations5
Fucoidan by product typeNon-Nutrient/Non-Botanical6Other Combinations5
Fucoidan by product typeNon-Nutrient/Non-Botanical6Other Combinations5
Fucoidan by product typeNon-Nutrient/Non-Botanical6Other Combinations5

Brands listing it most: Pure Synergy (2), Doctor's Best (2), Lean Factor (1), LifeSeasons Therapeutics (1), KAL (1), SuperSmart (1), Swanson (1), Absonutrix (1), PotentSea (1).

Every product listing fucoidan

23 products, A to Z by name (page 1 of 1), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.

Where next?