Spirulina
ZHOU Spirulina is a 'Greens & Superfoods' supplement, providing 3.5 grams of California grown Spirulina per serving. This product also delivers 30 mcg of Vitamin K, 2 mg of Iron, and 55 mg of Potassium, though these are noted as underdosed compared to clinically effective amounts. It contains 350 mg of Phycocyanin, 46 mg of Gamma-Linolenic Acid, 31 mg of Chlorophyll, and 3 mg of Zeaxanthin. The N+ Score for ZHOU Spirulina is 46, earning it an F grade and placing it in the below-average tier. While providing a good dose of spirulina, the underdosed micronutrients contribute to its lower score. It may be suitable for those looking for a foundational spirulina supplement, but additional supplementation may be needed for specific nutrient targets.
About This Product
Spirulina by ZHOU is a greens & superfoods supplement containing 10 active ingredients. It has earned an N+ Score of 46/100 (Grade F).
N+ Score Breakdown
Are key ingredients present at clinically effective doses based on research?
Does the product include all expected ingredients for its supplement category?
Are individual ingredient amounts clearly disclosed without proprietary blends?
Does the formula include a breadth of beneficial compounds from multiple pathways?
Strengths
- +Fully transparent label with individual ingredient amounts disclosed
- +Broad ingredient diversity exceeding category norms
Weaknesses
- −Several ingredients below clinically effective doses
- −Missing several expected ingredients for its category
Ingredient Analysis (10 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Vitamin K | 30.000 mcg | Under |
| Calories | 15.000 Calorie(s) | N/A |
| Iron | 2.000 mg | Under |
| Potassium | 55.000 mg | Under |
| Protein | 2.000 mg | N/A |
| Zeaxanthin | 3.000 mg | N/A |
| Chlorophyll | 31.000 mg | N/A |
| Gamma-Linolenic Acid | 46.000 mg | Under |
| Phycocyanin | 350.000 mg | N/A |
| California grown Spirulina | 3.500 Gram(s) | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.