PlainVitamins

Organic Spirulina Arthrospira Plantensis

by 21st Century · capsule · 90 vegetarian capsules

  • On the market (NIH)
  • UPC 7 40985 27171 1
  • DSLD label 11592
  • Serving 1 vegetarian capsule
  • 90 servings

Organic Spirulina Arthrospira Plantensis by 21st Century lists one ingredient: 450 mg of spirulina per serving of 1 vegetarian capsule. Its current label entered the NIH Dietary Supplement Label Database on August 24, 2012.

What is in Organic Spirulina Arthrospira Plantensis?

Each row as the label prints it, per serving of 1 vegetarian capsule. 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).

Organic Spirulina Arthrospira Plantensis: Supplement Facts rows against the market (DSLD label 11592, January 2026 release)
IngredientAmount% DVAmong products listing it
Spirulina450 mgBlue-Green Algae in Organic Spirulina Arthrospira Plantensis against 709 products450 mg per serving; the middle half of products list 100 mg to 1,000 mg, the median 500 mg.450 mg

51% of 709 products listing blue-green algae give more (median 500 mg).

Source: NIH ODS Dietary Supplement Label Database, label 11592 (entered August 24, 2012), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

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 use: Take one (1) capsule daily with any meal for maximum daily results, or as directed by your healthcare provider. Do not exceed recommended dosage.
Warnings
Do not use if product appears to be tampered with or seal is broken.
Keep out of reach of children.
Allergens and what it does not contain
No added sugar, salt, yeast, preservatives, artificial flavors or colors.
Gluten Free.
Storage
Store at room temperature.

Source: label statements in DSLD label 11592.

What else is on the label?

Other ingredients: Vegetable Cellulose Capsule, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): MADE IN USA.

How many labels does Organic Spirulina Arthrospira Plantensis have?

One label is on file, entered on August 24, 2012.

  1. Label 11592 (current) Entered August 24, 2012 · on the market · 90 vegetarian capsules · UPC 7 40985 27171 1

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

Who makes it?

The label names 21st Century Healthcare, Inc. (manufacturer), Tempe, AZ. All 21st Century products.

Where next?