Calcium Citrate 1000
GNC's Calcium Citrate 1000 is a focused mineral supplement, providing a single active ingredient per 4-caplet serving. Each serving delivers 1000 mg of Calcium, which is a clinically relevant dosage often recommended for supporting bone density and health. The product benefits from full label transparency due to its singular active ingredient. With an N+ Score of 70 and a 'C' grade, this product is considered good quality. It is well-suited for individuals specifically aiming to increase their calcium intake at a dosage supported by research.
About This Product
Calcium Citrate 1000 by GNC is a joint & bone supplement containing 1 active ingredients. It has earned an N+ Score of 70/100 (Grade C).
This product features a fully transparent label with individual ingredient amounts disclosed, and key ingredients are present at clinically effective doses based on peer-reviewed research.
Notable clinical-dose ingredients include Calcium.
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
- +Fully transparent label with individual ingredient amounts disclosed
- +1 ingredient(s) at clinical dose levels
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (1 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Calcium | 1000.000 mg | Optimal |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.





