Probiotic Complex 50 Billion CFUs
GNC Probiotic Complex 50 Billion CFUs is a probiotic supplement featuring LAB4 Probiotics and 150mg of Fructooligosaccharides (FOS) per capsule. While the product states 50 Billion CFUs, the specific strains and their individual quantities within the LAB4 Probiotics blend are not disclosed, which reduces transparency and makes it challenging to assess clinical efficacy. FOS is a prebiotic fiber that may support the growth of beneficial gut bacteria. The product received an N+ Score of 46, earning an 'F' grade, placing it in the below-average tier, primarily due to the lack of detailed strain information for the probiotic blend. This lack of transparency is a significant weakness for a probiotic product, as strain-specific research is crucial for understanding potential benefits. It may be considered by those seeking a general probiotic, but its low N+ Score suggests a need for caution regarding specific gut health outcomes.
About This Product
Probiotic Complex 50 Billion CFUs by GNC Probiotic Complex is a probiotics supplement containing 2 active ingredients. It has earned an N+ Score of 46/100 (Grade F).
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
- +Product data available for comparison
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (2 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Fructooligosaccharides | 150.000 mg | N/A |
| LAB4 Probiotics | — | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.





