Elderberry Extra Strength
Purely Optimal Elderberry Extra Strength is an immune support blend containing four ingredients. It provides 150mg of Vitamin C and 40mg of Zinc, both at clinically relevant doses that research suggests may support immune function. The product also includes an 'Immune Support Complex' and 'Respiratory Support Complex,' though specific dosages for these blends are not fully disclosed, limiting transparency. With an N+ Score of 52 and an F grade, this product is in the below-average tier, despite the well-dosed Vitamin C and Zinc. It may be suitable for individuals seeking combined immune support with specific, clinically dosed nutrients.
About This Product
Elderberry Extra Strength by Purely Optimal is a herbal & botanical supplement containing 4 active ingredients. It has earned an N+ Score of 52/100 (Grade F).
Notable clinical-dose ingredients include Vitamin C, Zinc.
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
- +Key ingredients at clinically effective doses
- +Broad ingredient diversity exceeding category norms
- +2 ingredient(s) at clinical dose levels
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (4 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Vitamin C | 150.000 mg | Adequate |
| Zinc | 40.000 mg | Optimal |
| Immune Support Complex | — | N/A |
| Respiratory Support Complex | — | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.





