PlainVitamins

Fucoidan 70% 300 mg

by Doctor's Best · capsule · 60 veggie caps

  • On the market (NIH)
  • UPC 7 53950 00165 7
  • DSLD label 302659
  • Serving 2 veggie capsules
  • 30 servings

Fucoidan 70% 300 mg by Doctor's Best lists one ingredient: 600 mg of kelp extract per serving of 2 veggie capsules. Its current label entered the NIH Dietary Supplement Label Database on January 24, 2024.

What is in Fucoidan 70% 300 mg?

Each row as the label prints it, per serving of 2 veggie capsules. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Fucoidan 70% 300 mg: Supplement Facts rows against the market (DSLD label 302659, January 2026 release)
IngredientAmount% DVAmong products listing it
Kelp Extractas Laminaria japonica Extractstandardized to 70%600 mgKelp in Fucoidan 70% 300 mg against 333 products600 mg per serving; the middle half of products list 20 mg to 100 mg, the median 50 mg.600 mg

Higher than 94% of 333 products listing kelp (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 302659 (entered January 24, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 600 mg of kelp is higher than 94% of the 333 kelp products that print an amount; 14 list more.

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

6 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested Adult Use: Take 2 capsules daily with food, or as recommended by a nutritionally informed physician.
Allergens and what it does not contain
Non-GMO/Gluten free
Storage
Store in a cool dry place.

Source: label statements in DSLD label 302659.

What else is on the label?

Other ingredients: Rice powder, Hypromellose, Magnesium Stearate.

How many labels does Fucoidan 70% 300 mg have?

2 labels are on file under this name since February 23, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 302659 (current) Entered January 24, 2024 · on the market · 60 veggie caps · UPC 7 53950 00165 7
  2. Label 81829 Entered February 23, 2018 · on the market · 60 veggie caps · UPC 7 53950 00165 7

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Doctor's Best, Inc. (distributor), Tustin, California. All Doctor's Best products.

Where next?