PlainVitamins

Spiru-Blue

by Dr. Mercola · tablet or pill · 120 tablets

  • On the market (NIH)
  • UPC 8 13006 01309 3
  • DSLD label 232922
  • Serving 4 tablets
  • 30 servings

Spiru-Blue by Dr. Mercola lists 8 ingredients, 8 with an amount per serving of 4 tablets, such as 250 mcg of vitamin A, 0.8 mg of iron, 2 g of organic spirulina (arthrospira platensis) powder and 42 mg of haematococcus pluvialis algae, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on August 23, 2020.

What is in Spiru-Blue?

Each row as the label prints it, per serving of 4 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).

Spiru-Blue: Supplement Facts rows against the market (DSLD label 232922, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Protein1 g2%Protein in Spiru-Blue against 8,985 products1 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.1 g

77% of 8,985 products listing protein give more (median 16 g).

Vitamin Aas Beta-CaroteneVitamin A (Form: as Beta Carotene)250 mcg28%
Iron0.8 mg4%Iron in Spiru-Blue against 6,910 products0.8 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg0.8 mg

85% of 6,910 products listing iron give more (median 5 mg).

organic Spirulina (Arthrospira platensis) powder2 gSpirulina in Spiru-Blue against 92 products2,000 mg per serving; the middle half of products list 187.5 mg to 1,000 mg, the median 500 mg.2,000 mg

Higher than 85% of 92 products listing spirulina (median 500 mg).

Phycocyanin294 mgPhycocyanin in Spiru-Blue against 40 products294 mg per serving; the middle half of products list 123.75 mg to 300 mg, the median 225 mg.294 mg

Higher than 65% of 40 products listing phycocyanin (median 225 mg).

Chlorophyll21 mgChlorophyll in Spiru-Blue against 394 products21 mg per serving; the middle half of products list 7.5 mg to 42.75 mg, the median 16 mg.21 mg

Higher than 56% of 394 products listing chlorophyll (median 16 mg).

Haematococcus pluvialis algae42 mgHaematococcus pluvialis in Spiru-Blue against 31 products42 mg per serving; the middle half of products list 60 mg to 126 mg, the median 60 mg.42 mg

84% of 31 products listing haematococcus pluvialis give more (median 60 mg).

Total Carotenoids7.6 mgCarotenoids in Spiru-Blue against 261 products7.6 mg per serving; the middle half of products list 0.5 mg to 10 mg, the median 4 mg.7.6 mg

Higher than 72% of 261 products listing carotenoids (median 4 mg).

Astaxanthin630 mcgAstaxanthin in Spiru-Blue against 955 products0.63 mg per serving; the middle half of products list 0.1 mg to 4 mg, the median 1 mg.0.63 mg

55% of 955 products listing astaxanthin give more (median 1 mg).

Source: NIH ODS Dietary Supplement Label Database, label 232922 (entered August 23, 2020), 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 Spiru-Blue'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
Suggested Use: Adults, as a dietary supplement, take four (4) tablets daily.
Warnings
Keep out of reach of children.
Do not use if safety seal is broken.
If you are nursing, pregnant, taking medication or have a medical condition, consult your physician before taking this product.

Source: label statements in DSLD label 232922.

What else is on the label?

Other ingredients: Spirulina extract (Phycocyanin) coating, natural Vanilla flavor, Hydroxypropyl Methylcellulose.

How many labels does Spiru-Blue have?

2 labels are on file under this name since March 25, 2015: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 232922 (current) Entered August 23, 2020 · on the market · 120 tablets · UPC 8 13006 01309 3
  2. Label 43733 Entered March 25, 2015 · off the market July 14, 2020 · 120 tablets · UPC 8 13006 01309 3

DSLD also links this label to: Spiru-Blue (image difference, same product).

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

Who makes it?

The label names NHP (distributor), Cape Coral, FL. All Dr. Mercola products.

Where next?