Zhou Nutrition Spirulina, 180 Tablets supplement bottle
Zhou Nutrition

Spirulina, 180 Tablets

What We Researched
7 active ingredients analyzed · 2 inactive ingredients decoded · 2 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
87
Product Score Good
71
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
California Grown Spirulina 3 g **
c-Phycocyanin 185 mg **
Chlorophyll 30 mg **
GLA (Gamma Linolenic Acid) 30 mg **
Total Carotenoids 11 mg **
Zeaxanthin 2.9 mg **
Bioavailability Excellent

Absorption Rating

  • California Grown Spirulina Good
  • c-Phycocyanin Good
  • Chlorophyll Fair
  • GLA (Gamma Linolenic Acid) Good
  • Total Carotenoids Good
  • Zeaxanthin Good
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Vegetable magnesium stearate and silica
Efficacy Good

Dosage Analysis

  • California Grown Spirulina 3 g Effective
  • c-Phycocyanin 185 mg Effective
  • Chlorophyll 30 mg Under-dosed
  • GLA (Gamma Linolenic Acid) 30 mg Under-dosed
  • Zeaxanthin 2.9 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Protein 2 g 4%
California Grown Spirulina 3 g **
c-Phycocyanin 185 mg **
Chlorophyll 30 mg **
GLA (Gamma Linolenic Acid) 30 mg **
Total Carotenoids 11 mg **
Zeaxanthin 2.9 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Vegetable magnesium stearate and silica Unknown

Price Comparison

iHerb $18.72 $0.62 / serving
Best Price
Vitacost $25.69 $0.86 / serving

Price History

Tracked across major retailers. Updated periodically.

$28$25$22$19$16 Mar 12 $25.69$18.00
iHerb
Vitacost

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

Brand Trust Report
Zhou Nutrition

Founded 2014 · Salt Lake City, UT, USA · 72 products · zhounutrition.com/

Certifications

2 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

1 incident
Lawsuit Misleading marketing practices regarding product safety and ingredient transparency, particularly concerning tree nut allergens.Recent (specific year not cited in source)Source
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Frequently Asked Questions
Is Zhou Nutrition Spirulina, 180 Tablets a good supplement?

Zhou Nutrition Spirulina, 180 Tablets received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 7 active ingredients with 30 servings per container. Of the 2 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, Zhou Nutrition, holds a brand trust score of 71/100 with 2 verified certifications including Consumerlab, Fda Gmp Inspections.

What are the ingredients in Zhou Nutrition Spirulina, 180 Tablets?

Zhou Nutrition Spirulina, 180 Tablets contains 7 active ingredients: Protein (2 g), California Grown Spirulina (3 g), c-Phycocyanin (185 mg), Chlorophyll (30 mg), GLA (Gamma Linolenic Acid) (30 mg), Total Carotenoids (11 mg), and 1 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Zhou Nutrition Spirulina, 180 Tablets safe to take?

Zhou Nutrition Spirulina, 180 Tablets 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 Zhou Nutrition a trustworthy supplement brand?

Zhou Nutrition receives a brand trust score of 71/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2014 and headquartered in Salt Lake City, UT, USA, the company offers 72 products in their lineup. They hold 2 verified certifications including Consumerlab, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Zhou Nutrition has 1 historical regulatory incident on record, which are factored into the trust score.

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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.