PlainVitamins

Spirulina

by Noevir · tablet or pill · 1200 tablets

  • On the market (NIH)
  • DSLD label 240261
  • Serving 15 to 30 tablets (3-6 g); amounts per 15 tablets
  • 80 servings

Spirulina by Noevir lists 16 ingredients, 15 with an amount per serving of 15 tablets, such as 3,900 IU of vitamin A, 0.1 mg of thiamine, 0.1 mg of riboflavin and 0.4 mg of niacin; 1 sits inside a blend without its own amount, beside 3 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on December 26, 2020.

What is in Spirulina?

Each row as the label prints it, per serving of 15 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 240261, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Calories from FatCalories (Form: from Fat)0 Calories
Total Fat0 g
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: 100% Beta-Carotene)3,900 IU78%Vitamin A in Spirulina against 5,772 products3,900 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.3,900 IU

51% of 5,772 products listing vitamin A give more (median 4,000 IU).

Thiamine0.1 mg7%Thiamin in Spirulina against 9,830 products0.1 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg0.1 mg

98% of 9,830 products listing thiamin give more (median 5 mg).

Riboflavin0.1 mg6%Riboflavin in Spirulina against 9,824 products0.1 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg0.1 mg

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

Niacin0.4 mg2%Niacin in Spirulina against 12,413 products0.4 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg0.4 mg

over 99% of 12,413 products listing niacin give more (median 20 mg).

Folate1.6 mcg1%Folate in Spirulina against 7,022 products1.6 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.1.6 mcg

over 99% of 7,022 products listing folate give more (median 400 mcg).

Vitamin B122 mcg33%Vitamin B12 in Spirulina against 14,425 products2 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg2 mcg

93% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Calcium5 mg1%Calcium in Spirulina against 17,831 products5 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg5 mg

98% of 17,831 products listing calcium give more (median 115 mg).

Iron2 mg11%Iron in Spirulina against 6,910 products2 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg2 mg

66% of 6,910 products listing iron give more (median 5 mg).

Magnesium8 mg2%Magnesium in Spirulina against 14,003 products8 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg8 mg

94% of 14,003 products listing magnesium give more (median 86 mg).

Sodium24 mg1%Sodium in Spirulina against 14,514 products24 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.24 mg

66% of 14,514 products listing sodium give more (median 55 mg).

Potassium55 mg2%Potassium in Spirulina against 11,614 products55 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg55 mg

70% of 11,614 products listing potassium give more (median 99 mg).

Total Carotenoids535 mgCarotenoids in Spirulina against 261 products535 mg per serving; the middle half of products list 0.5 mg to 10 mg, the median 4 mg.535 mg

Higher than 98% of 261 products listing carotenoids (median 4 mg).

Chlorophyll1,520 mg

This amount is far outside what other labels list for chlorophyll, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

C-Phycocyanin6,260 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).

Superoxide DismutaseSOD Note: Superoxide Dismutase, antioxidant enzyme activity. 1,800 unitsno amount given
Noevir Spirulina3 gSpirulina in Spirulina against 92 products3,000 mg per serving; the middle half of products list 187.5 mg to 1,000 mg, the median 500 mg.3,000 mg

Higher than 88% of 92 products listing spirulina (median 500 mg).

Source: NIH ODS Dietary Supplement Label Database, label 240261 (entered December 26, 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?

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:

  • 98% of the 9,830 products that print an amount of thiamin list more than its 0.1 mg of thiamin (median 5 mg).
  • 99% of the 9,824 products that print an amount of riboflavin list more than its 0.1 mg of riboflavin (median 4 mg).
  • over 99% of the 12,413 products that print an amount of niacin list more than its 0.4 mg of niacin (median 20 mg).
  • over 99% of the 7,022 products that print an amount of folate list more than its 1.6 mcg of folate (median 400 mcg).
  • 93% of the 14,425 products that print an amount of vitamin B12 list more than its 2 mcg of vitamin B12 (median 36 mcg).
  • 98% of the 17,831 products that print an amount of calcium list more than its 5 mg of calcium (median 115 mg).

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
Usage guide 1. Take 15-30 tablets daily as needed, preferably with meals.
Warnings
If you are pregnant or nursing, please consult your physician before using this product.
2. Keep out of reach of children.
4. Do not use if the seal is broken.
Allergens and what it does not contain
4. Our all-natural Spirulina includes no binders or additives, in contrast to the majority of competing products on the market. It also contains no artificial color, sugar, yeast, milk, dairy by-products or wheat and suitable for vegetarians.
Storage
3. Protect form heat, light and moisture. Store at 15-30 degrees C (59-86 degrees F).

Source: label statements in DSLD label 240261.

How many labels does Spirulina have?

One label is on file, entered on December 26, 2020.

  1. Label 240261 (current) Entered December 26, 2020 · on the market · 1200 tablets

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

Who makes it?

The label names Noevir (manufacturer). All Noevir products.

Where next?