PlainVitamins

Best Spirulina

by Doctor's Best · tablet or pill · 180 tablets

  • On the market (NIH)
  • UPC 7 53950 00288 3
  • DSLD label 63308
  • Serving 3 tablets
  • 60 servings

Best Spirulina by Doctor's Best lists 3 ingredients, 3 with an amount per serving of 3 tablets, such as 4,687 IU of vitamin A, 0.4 mg of iron and 1,500 mg of parry organic spirulina, beside 2 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on July 25, 2016.

What is in Best Spirulina?

Each row as the label prints it, per serving of 3 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).

Best Spirulina: Supplement Facts rows against the market (DSLD label 63308, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Protein1 g2%Protein in Best Spirulina 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). Per day at the most servings: 2 g.

Vitamin A4,687 IU94%Vitamin A in Best Spirulina against 5,772 products4,687 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.4,687 IU

Higher than 54% of 5,772 products listing vitamin A (median 4,000 IU). Per day at the most servings: 9,374 IU.

Iron0.4 mg2%Iron in Best Spirulina against 6,910 products0.4 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg0.4 mg

92% of 6,910 products listing iron give more (median 5 mg). Per day at the most servings: 0.8 mg.

Sodium15 mg1%Sodium in Best Spirulina against 14,514 products15 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.15 mg

72% of 14,514 products listing sodium give more (median 55 mg). Per day at the most servings: 30 mg.

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

Higher than 85% of 709 products listing blue-green algae (median 500 mg). Per day at the most servings: 3,000 mg.

Source: NIH ODS Dietary Supplement Label Database, label 63308 (entered July 25, 2016), 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?

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:

  • 92% of the 6,910 products that print an amount of iron list more than its 0.4 mg of iron (median 5 mg).

The NIH database records 2 servings 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 Best 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
Suggested Adult Use: Take 3 tablets twice daily with water, or as recommended by a nutritionally-informed physician.
Allergens and what it does not contain
Non-GMO and Gluten Free

Source: label statements in DSLD label 63308.

What else is on the label?

Other ingredients: None.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): USDA ORGANIC. Listed with: USDA Organic seal (a seal is the label's claim; the certifier's own list confirms it).

How many labels does Best Spirulina have?

2 labels are on file under this name since September 25, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 63308 (current) Entered July 25, 2016 · on the market · 180 tablets · UPC 7 53950 00288 3
  2. Label 25230 Entered September 25, 2013 · off the market May 2, 2016 · 180 tablets · UPC 7 53950 00288 3

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), San Clemente, CA. All Doctor's Best products.

Where next?