PlainVitamins

Spirulina

by Natural Elements · powder · 168 grams

  • On the market (NIH)
  • UPC 6 12520 47195 8
  • DSLD label 247648
  • Serving 3.5 g (1 Teaspoon)
  • 48 servings

Spirulina by Natural Elements lists 17 ingredients, 17 with an amount per serving of 3.5 g, such as 7,000 IU of vitamin A, 6 mg of vitamin C, 20 IU of vitamin E and 7.5 mcg of vitamin K, beside 8 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on May 22, 2021.

What is in Spirulina?

Each row as the label prints it, per serving of 3.5 g. 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 247648, January 2026 release)
IngredientAmount% DVAmong products listing it
Total Fat0.1 g0%Fat (unspecified) in Spirulina against 11,965 products0.1 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.0.1 g

99% of 11,965 products listing fat (unspecified) give more (median 1.5 g).

Sat. Fat0 g0%
Trans Fat0 g0%
Cholesterol0 g0%
Total Carbohydrates1.7 g1%Carbohydrate in Spirulina against 21,979 products1.7 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1.7 g

73% of 21,979 products listing carbohydrate give more (median 3 g).

Dietary Fiber0.5 g4%Fiber in Spirulina against 6,987 products0.5 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.0.5 g

96% of 6,987 products listing fiber give more (median 2 g).

Sugar0 g0%
Protein5 g10%Protein in Spirulina against 8,985 products5 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.5 g

64% of 8,985 products listing protein give more (median 16 g).

Vitamin Aas Beta-CaroteneVitamin A (Form: as Beta-Carotene)7,000 IU233%Vitamin A in Spirulina against 5,772 products7,000 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.7,000 IU

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

Vitamin C6 mg10%Vitamin C in Spirulina against 18,583 products6 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg6 mg

97% of 18,583 products listing vitamin C give more (median 100 mg).

Vitamin E20 IU60%Vitamin E in Spirulina against 6,459 products20 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.20 IU

71% of 6,459 products listing vitamin E give more (median 30 IU).

Vitamin K7.5 mcg8%Vitamin K in Spirulina against 4,607 products7.5 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg7.5 mcg

97% of 4,607 products listing vitamin K give more (median 80 mcg).

Vitamin B1as Thiamine0.09 mg8%Thiamin in Spirulina against 9,830 products0.09 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg0.09 mg

99% of 9,830 products listing thiamin give more (median 5 mg).

Vitamin B2as Riboflavin0.12 mg11%Riboflavin in Spirulina against 9,824 products0.12 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg0.12 mg

99% of 9,824 products listing riboflavin give more (median 4 mg).

Vitamin B12as Cobalamin7 mcg291%Vitamin B12 in Spirulina against 14,425 products7 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg7 mcg

74% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Calcium34 mg3%Calcium in Spirulina against 17,831 products34 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg34 mg

83% of 17,831 products listing calcium give more (median 115 mg).

Iron1 mg8%Iron in Spirulina against 6,910 products1 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg1 mg

76% of 6,910 products listing iron give more (median 5 mg).

Magnesium7 mg2%Magnesium in Spirulina against 14,003 products7 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg7 mg

95% of 14,003 products listing magnesium give more (median 86 mg).

Selenium2 mcg4%Selenium in Spirulina against 7,658 products2 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg2 mcg

99% of 7,658 products listing selenium give more (median 55 mcg).

Potassium41 mg1%Potassium in Spirulina against 11,614 products41 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg41 mg

79% of 11,614 products listing potassium give more (median 99 mg).

Phycocyanin210 mgPhycocyanin in Spirulina against 40 products210 mg per serving; the middle half of products list 123.75 mg to 300 mg, the median 225 mg.210 mg

55% of 40 products listing phycocyanin give more (median 225 mg).

Chlorophyll30 mgChlorophyll in Spirulina against 394 products30 mg per serving; the middle half of products list 7.5 mg to 42.75 mg, the median 16 mg.30 mg

Higher than 61% of 394 products listing chlorophyll (median 16 mg).

Gamma-Linolenic Acid30 mgGamma Linolenic Acid in Spirulina against 740 products30 mg per serving; the middle half of products list 42 mg to 160 mg, the median 90 mg.30 mg

81% of 740 products listing gamma linolenic acid give more (median 90 mg).

Carotenoids11.5 mgCarotenoids in Spirulina against 261 products11.5 mg per serving; the middle half of products list 0.5 mg to 10 mg, the median 4 mg.11.5 mg

Higher than 77% of 261 products listing carotenoids (median 4 mg).

Zeaxanthin2.5 mgZeaxanthin in Spirulina against 1,215 products2.5 mg per serving; the middle half of products list 0.4 mg to 2 mg, the median 1 mg.2.5 mg

Higher than 77% of 1,215 products listing zeaxanthin (median 1 mg).

Source: NIH ODS Dietary Supplement Label Database, label 247648 (entered May 22, 2021), 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:

  • 97% of the 18,583 products that print an amount of vitamin C list more than its 6 mg of vitamin C (median 100 mg).
  • 97% of the 4,607 products that print an amount of vitamin K list more than its 7.5 mcg of vitamin K (median 80 mcg).
  • 99% of the 9,830 products that print an amount of thiamin list more than its 0.09 mg of vitamin B1 (filed by NIH under thiamin) (median 5 mg).
  • 99% of the 9,824 products that print an amount of riboflavin list more than its 0.12 mg of vitamin B2 (filed by NIH under riboflavin) (median 4 mg).
  • 95% of the 14,003 products that print an amount of magnesium list more than its 7 mg of magnesium (median 86 mg).
  • 99% of the 7,658 products that print an amount of selenium list more than its 2 mcg of selenium (median 55 mcg).

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: Using the scoop provided, fill scoop until top is level with powder- do not heap and take one scoop per day or amount recommended by a physician. Also a teaspoon can be used to measure: fill to slightly heaping which will be approximately 3.5 grams.
Warnings
Consult with a physician if taking blood thinners.
Allergens and what it does not contain
Gluten-free Made with Non-GMO ingredients

Source: label statements in DSLD label 247648.

What else is on the label?

Other ingredients: organic Spirulina.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): USDA Organic GMP Quality Good Manufacturing Practice Certification Organic Certifiers; Made in USA. Listed with: USDA Organic seal (a seal is the label's claim; the certifier's own list confirms it).

How many labels does Spirulina have?

2 labels are on file under this name since December 26, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 247648 (current) Entered May 22, 2021 · on the market · 168 grams · UPC 6 12520 47195 8
  2. Label 240250 Entered December 26, 2020 · on the market · 180 caps · UPC 6 12520 47194 1

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

Who makes it?

The label names Natural Elements US (distributor), Phoenix, AZ. All Natural Elements products.

Where next?