NOW Certified Organic Spirulina 500 mg supplement bottle
NOW

Certified Organic Spirulina 500 mg

What We Researched
4 active ingredients analyzed · 1 inactive ingredient decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
93
Product Score Excellent
89
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 1 g 1%
organic Spirulina 3 g
Bioavailability Very Good

Absorption Rating

  • Total Carbohydrates Fair
  • organic Spirulina Good
Other Ingredients Excellent

Fillers & Additives

  • None
Efficacy Excellent

Dosage Analysis

  • organic Spirulina 3 g Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 10 kcal
Total Carbohydrates 1 g 1%
Protein 2 g 4%
organic Spirulina 3 g

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

None Unknown

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
NOW

Founded 1968 · Bloomingdale, Illinois, USA · 53 products · nowfoods.com

Certifications

5 certifications
Informed Sport Verified Source
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source
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Frequently Asked Questions
Is NOW Certified Organic Spirulina 500 mg a good supplement?

NOW Certified Organic Spirulina 500 mg received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 4 active ingredients with 30 servings per container. Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, NOW, holds a brand trust score of 89/100 with 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in NOW Certified Organic Spirulina 500 mg?

NOW Certified Organic Spirulina 500 mg contains 4 active ingredients: Calories (10 kcal), Total Carbohydrates (1 g), Protein (2 g), organic Spirulina (3 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW Certified Organic Spirulina 500 mg safe to take?

NOW Certified Organic Spirulina 500 mg has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NOW a trustworthy supplement brand?

NOW receives a brand trust score of 89/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 53 products in their lineup. They hold 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.