NOW

Sustained Release C-1000

F
N+ Score46
Joint & BoneServing: 1 Tablet(s)Type: Other Combinations

Sustained Release C-1000 by NOW is a vitamin and mineral supplement designed for sustained release, featuring 5 ingredients. This product received an N+ Score of 46, earning an F grade, indicating a below-average quality assessment. It provides Vitamin C at 1 gram (1000 mg), which is a common and clinically relevant dosage for Vitamin C. However, Calcium is included at 100 mg, which is significantly underdosed for bone health or other primary calcium supplementation purposes. The formula also includes Citrus Bioflavonoid Complex (250 mg), Acerola powder (50 mg), and Rutin powder (50 mg) to complement the Vitamin C. This product is best suited for individuals seeking a high-dose, sustained-release Vitamin C supplement with complementary bioflavonoids.

About This Product

Sustained Release C-1000 by NOW is a joint & bone supplement containing 5 active ingredients. It has earned an N+ Score of 46/100 (Grade F).

N+ Score Breakdown

Ingredient Adequacy0/100

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

Weaknesses

  • Several ingredients below clinically effective doses
  • Missing several expected ingredients for its category

Ingredient Analysis (5 ingredients)

IngredientAmountDose Adequacy
Vitamin C1.000 Gram(s)Under
Calcium100.000 mgUnder
Citrus Bioflavonoid Complex250.000 mgN/A
Acerola powder50.000 mgN/A
Rutin powder50.000 mgN/A

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