PlainVitamins

Spirulina

by Thompson · tablet or pill · 100 tablets

  • On the market (NIH)
  • UPC 0 31315 19390 3
  • DSLD label 36703
  • Serving 6 tablets
  • 17 servings

Spirulina by Thompson lists 2 ingredients, 2 with an amount per serving of 6 tablets, such as 6,750 IU of vitamin A and 1,260 mg of organic spirulina, beside 3 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on August 26, 2014.

What is in Spirulina?

Each row as the label prints it, per serving of 6 tablets. 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).

Spirulina: Supplement Facts rows against the market (DSLD label 36703, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Total Carbohydratesless than 1 g1%
Protein2 g4%Protein in Spirulina against 8,985 products2 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.2 g

70% of 8,985 products listing protein give more (median 16 g).

Vitamin Aas Beta-CaroteneVitamin A (Form: as Beta-Carotene (Form: from Hawaiian Spirulina))6,750 IU135%Vitamin A in Spirulina against 5,772 products6,750 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.6,750 IU

Higher than 79% of 5,772 products listing vitamin A (median 4,000 IU).

Sodium20 mg1%Sodium in Spirulina against 14,514 products20 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.20 mg

67% of 14,514 products listing sodium give more (median 55 mg).

organic Spirulina1,260 mgBlue-Green Algae in Spirulina against 709 products1,260 mg per serving; the middle half of products list 100 mg to 1,000 mg, the median 500 mg.1,260 mg

Higher than 84% of 709 products listing blue-green algae (median 500 mg).

Source: NIH ODS Dietary Supplement Label Database, label 36703 (entered August 26, 2014), 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?

The products whose ingredient lists overlap most with Spirulina's, rare ingredients counting for more.

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
Directions: Use only as directed. Take six tablets daily, with food.
Warnings
WARNING: Do not use if safety seal is broken or missing.
Keep out of reach of children.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 36703.

What else is on the label?

Other ingredients: Cellulose, Stearic Acid.

How many labels does Spirulina have?

One label is on file, entered on August 26, 2014.

  1. Label 36703 (current) Entered August 26, 2014 · on the market · 100 tablets · UPC 0 31315 19390 3

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

Who makes it?

The label names NutraPure, Inc. (manufacturer). All Thompson products.

Where next?