Spirulina 500 mg®

Other Combinations

Brand: Source Naturals

Tablet or PillOther CombinationsOff Market
Click to view full label

Net Contents

200 Tablet(s)

Serving Size

6 Tablet(s)

Servings Per Container

33

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

0 21078 00638 1

Product Version

SN0638 REV D152-A

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

5Active Ingredients

5 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

5% Daily Value Coverage

5 ingredients report an established %DV per serving.

4Dietary Attributes

Label states: Vegan, Vegetarian, Non-GMO, Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Contains

  • Milk
  • Egg
  • Wheat
  • Soy
  • Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 6 Tablet(s) · 1 per day

IngredientAmount Per Serving% Daily Value
Calories10 Calorie(s)
Total Carbohydrates1 Gram(s)1%
Protein2 Gram(s)4%
Sodium20 mg1%
Spirulina3 Gram(s)
Vitamin A(Beta-Carotene)1700 IU34%
Iron850 mcg4%

Percent Daily Values (%DV) are based on a 2,000 calorie diet.

Other Ingredients

modified Cellulose GumSilicaStearic Acid

Target Groups

VeganVegetarianAdult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use: 6 tablets daily with meals.

Warnings & Precautions

Precautions re: All Other

Do not use if either tamper-evident seal is broken or missing.

Precautions re: Children

Keep out of the reach of children.

Precautions re: Pregnant or Nursing or Prescription Medications

Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Storage

Storage

Store in a cool, dry place.

Formulation

Formula re: Contains

It is a high-quality protein, which contains all nine essential amino acids.

Formulation re: Vegetarian/Vegan

Suitable For Vegans, Vegetarians And Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat.

Formulation re: Other

Suitable For Vegans, Vegetarians And Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat.

Formulation re: Does NOT Contain

Suitable For Vegans, Vegetarians And Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, preservatives, or artificial color, flavor or fragrance.

Formulation re: Does NOT Contain

Non GMO Validated

FDA Statements

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

FDA Statement of Identity

Dietary Supplement

Other Label Statements

General Statements: All Other Content

For over 30 years, spirulina (Arthrospira platensis) has been the premier choice for supplementing a vegetarian diet. Source Naturals Spirulina is of the highest quality available. Preliminary research suggests that spirulina, a blue-green algae, supports the immune system and healthy circulation.

General: Product/Version Code

SN0638 REV D152-A

Seals/Symbols

Non GMO Validated

Manufacturer & Distributor

Distributor

Source Naturals, Inc.

P. O. Box 2118, Santa Cruz, CA, 95062

Market Reference

$5.09 – $77.88· 40 listings
  • Source Naturals Spirulina

    iHerb4.8(190)
    $13.40
  • Blue-Green Algae Source Naturals

    Walmart - Health Chest4.7(134)
    $19.39
  • NOW Spirulina 500 mg

    Target4.8(13000)
    $15.99
  • Now Foods Organic Spirulina

    NOW4.8(13000)
    $9.99
  • Spirulina 500 mg - 200 Tablets

    Bulk Apothecary5.0(17)
    $12.99
  • Now Spirulina

    William's Natural Foods4.8(12000)
    $9.99
  • Nutrex Hawaii Hawaiian Spirulina Antioxidant Tablets

    Nutrex Hawaii4.7(1800)
    $77.88
  • NOW Spirulina 500mg Tablets

    Target4.8(12000)
    $24.99

Where to Buy Locally

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  • BioTechUSA Alexa

    4.1 (192)

    Vitamin & supplements store

    Alexa Center Gruner Straße 20, 10179 Berlin

  • Power Stage Sports Nutrition

    4.7 (498)

    Vitamin & supplements store

    Schildergasse 81, 50667 Köln

  • Supplements

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    Ostkreuz Victoria-Center, Marktstraße 6, 10317 Bezirk Lichtenberg

  • Supplement Support

    4.9 (93)

    Vitamin & supplements store

    Berliner Allee 237, 13088 Berlin-Bezirk Pankow

  • Double - S - Nutrition

    4.8 (69)

    Vitamin & supplements store

    Arcaden Passage, Vilbeler Straße 27, 60313 Frankfurt am Main

  • Supplement Shop

    2.0 (258)

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    Hohe Str. 30, 50667 Köln

  • Supernaturals Nutrition GmbH

    4.4 (14)

    Vitamin & supplements store

    Atelierstraße 10, 81671 München

  • Buxtrade GmbH

    4.7 (104)

    Vitamin & supplements store

    Carl-Zeiss-Straße 32b, 21614 Buxtehude

Research & Studies

  • Nutritional and therapeutic potential of Spirulina

    Z Khan, P Bhadouria, PS Bisen - Current pharmaceutical …, 2005 - academia.edu

    … which are defined as products derived from natural sources, whose consumption is likely to benefit human health and enhance performance. Spirulina contains high level of various B vi…

    2005864 citations
  • Supplementation with Spirulina platensis Modulates Aortic Vascular Reactivity through Nitric Oxide and Antioxidant Activity.

    A de Freitas Brito, AS Silva, AA de Souza… - … Medicine and Cellular …, 2019 - go.gale.com

    … of natural products for primary health care [1]. Several of these species are of aquatic origin … the aquatic environment is rich in natural resources and many biologically active compounds …

    201927 citations
  • Antimicrobial Activity of Arthrospira (Former Spirulina) and Dunaliella Related to Recognized Antimicrobial Bioactive Compounds

    Y Ilieva, MM Zaharieva, H Najdenski… - International Journal of …, 2024 - mdpi.com

    … Spirulina) and of eukaryotic microalgae (Dunaliella). Both, especially Arthrospira, are mostly used as nutraceuticals and as a source of antioxidants for health supplements, … medical …

    202459 citations
  • Spirulina: a source of gamma-linoleic acid and its applications

    A Choopani, M Poorsoltan, M Fazilati… - Journal of Applied …, 2016 - biotechrep.ir

    … a dietary supplement for the treatment of various health problems and have inflammatory component. One of the richest sources of GLA is a kind of microalgae; Spirulina. Spirulina is a …

    201675 citations
  • Efficacy of spirulina 500 mg vs triamcinolone acetonide 0.1% for the treatment of oral lichen planus: A randomized clinical trial

    NCSK Chaitanya, D Chikte, YP Kumar… - The Journal of …, 2022 - academia.edu

    … at evaluating the efficacy of spirulina 500 mg in reducing the … 30) subjects were prescribed Spirulina 500 mg twice daily along … Conclusion: Spirulina 500 mg supplementation twice daily …

    202210 citations
  • Phycochemistry and pharmacological significance of filamentous cyanobacterium Spirulina sp.

    S Sabat, S Bej, S Swain, AK Bishoyi… - Bioresources & …, 2025 - search.ebscohost.com

    … Nowadays, man administers several food supplements for a healthy lifestyle, from natural sources to decrease the likelihood of developing chronic illness. Food manufacturers prioritize …

    202528 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-08-22. DSLD Label ID: 77484. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.