GNC Women's Collagen
Brand: GNC Women's · Form: SUPPLEMENT FORM, OTHER [E0172] On Market
Our assessment
The evidence shows that GNC Women's Collagen contains calcium, a mineral that supports bone density and muscle relaxation [NIH ODS]. However, the specific collagen blend in this product is not addressed in the data provided, so we must focus on the calcium content. For most women, calcium is essential, but the total daily intake from all sources—including food and supplements—should be carefully managed to avoid exceeding safe levels [NIH ODS].
How it works
Calcium acts as a master regulator for your skeletal system. It supports bone mineralization and density, which is critical as you age, and also helps your muscles relax and nerves signal properly [NIH ODS]. Think of it as the building block that keeps your bones strong and your nervous system running smoothly.
Safety profile
FDA received 592,059 total adverse event reports across all products, though specific reports for this supplement are not available. Side effects from high calcium intake include constipation, nausea, weight loss, extreme tiredness, frequent urination, abnormal heart rhythms, and a high risk of death from heart disease [FDA data] [NIH ODS]. Some research also links high calcium intakes to an increased risk of heart disease and prostate cancer [NIH ODS].
Our recommendation
Start by checking your total daily calcium intake from food and other supplements to ensure you do not exceed the recommended upper limit. Calcium can reduce the absorption of medications like bisphosphonates, tetracycline antibiotics, and levothyroxine, so take this supplement at least two hours apart from those drugs [NIH ODS]. Data not available on the specific collagen dosage or efficacy in this product.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | GNC Women's |
|---|---|
| Serving Size | |
| Contents | 180.0 Caplet(s) |
| Market Status | On 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