Systemic C
Source Naturals Systemic C supports cellular health and longevity. Formulated with Vitamin C, Alpha-Lipoic Acid, Quercetin, and Grape Seed Extract, it aids in antioxidant defense and NAD+ pathways. Ideal for individuals seeking to maintain cellular function and overall well-being as they age.
About This Product
Systemic C by Source Naturals is a longevity & nad+ supplement containing 9 active ingredients. It has earned an N+ Score of 64/100 (Grade D).
Notable clinical-dose ingredients include Vitamin C.
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
- +1 ingredient(s) at clinical dose levels
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (9 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Calories | 5.000 Calorie(s) | N/A |
| Vitamin C | 1000.000 mg | Optimal |
| Calcium | 110.000 mg | Under |
| Total Carbohydrates | 1.000 Gram(s) | N/A |
| Alpha Lipoic Acid | 100.000 mg | N/A |
| Quercetin | 50.000 mg | N/A |
| Grape seed extract | 30.000 mg | N/A |
| Citrus Bioflavonoid Complex | 40.000 mg | N/A |
| N-Acetyl Cysteine | 120.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.





