Source Naturals

Systemic C

D
N+ Score64
Longevity & NAD+Serving: 2 Capsule(s)Type: Other Combinations [A1325]

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

Ingredient Adequacy50/100

Are key ingredients present at clinically effective doses based on research?

Formula Completeness25/100

Does the product include all expected ingredients for its supplement category?

Label Transparency100/100

Are individual ingredient amounts clearly disclosed without proprietary blends?

Ingredient Diversity100/100

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)

IngredientAmountDose Adequacy
Calories5.000 Calorie(s)N/A
Vitamin C1000.000 mgOptimal
Calcium110.000 mgUnder
Total Carbohydrates1.000 Gram(s)N/A
Alpha Lipoic Acid100.000 mgN/A
Quercetin50.000 mgN/A
Grape seed extract30.000 mgN/A
Citrus Bioflavonoid Complex40.000 mgN/A
N-Acetyl Cysteine120.000 mgN/A

Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.