GNC Preventive Nutrition Complete Body Cleansing 7-Day Program Fiber and Prebiotic Blend
Brand: GNC Preventive Nutrition · Form: SUPPLEMENT FORM, OTHER [E0172]
Our assessment
The evidence shows that this product contains ingredients like Calcium, but data for the specific “GNC Preventive Nutrition Complete Body Cleansing 7-Day Program Fiber and Prebiotic Blend” is not available as a complete formulation. For the Calcium component, our assessment is that while it supports bone health, you should be aware of significant safety considerations [NIH ODS].
How it works
Think of Calcium as a structural builder for your skeleton. It works by supporting bone mineralization and density, and also plays a role in neuromuscular relaxation and nerve signaling [NIH ODS]. The “Cleansing Program” label suggests a fiber and prebiotic blend, but specific mechanisms for the blend itself are not provided in the data.
Safety profile
FDA received a total of 592,059 adverse event reports across all products in their database. For Calcium specifically, high intakes may increase the risk of heart disease and prostate cancer. Side effects from high calcium levels include poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent urination, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS] [FDA data].
Our recommendation
Data not available for the full “GNC Preventive Nutrition Complete Body Cleansing 7-Day Program” blend, so we cannot recommend it specifically. For Calcium, you should be cautious with high doses and ensure you are not exceeding the RDA. Check with your doctor before starting this program, especially if you take medications like bisphosphonates or thyroid drugs, as Calcium can reduce their absorption [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | GNC Preventive Nutrition |
|---|---|
| Serving Size | |
| Contents | 7.0 Fiber and Prebiotic Sachet(s) |
| Market Status | Off Market |
How to Read This Label
Supplement labels contain several key sections regulated by the FDA:
- Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
- Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
- % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
- Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
- Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.
Source: FDA Dietary Supplement Labeling Guide