Spirulina
GreeNatr Premium Spirulina is a single-ingredient greens and superfood supplement, providing 1000mg of Spirulina per two-tablet serving. Research suggests Spirulina may offer antioxidant properties and support overall wellness. This product received an N+ Score of 51, earning an 'F' grade, which indicates a below-average quality assessment based on our criteria. With only one ingredient listed, the label transparency is high, however, the dosage of 1000mg Spirulina is below the commonly studied clinical doses which often range from 1-10 grams daily for various benefits. This product may be suitable for individuals seeking a basic Spirulina supplement and are aware of its lower dosage compared to clinical studies.
About This Product
Spirulina by GreeNatr Premium is a greens & superfoods supplement containing 1 active ingredients. It has earned an N+ Score of 51/100 (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
Weaknesses
- −Missing several expected ingredients for its category
- −Limited ingredient diversity compared to category norms
Ingredient Analysis (1 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Spirulina | 1000.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.




