GNC Women's Hair, Skin & Nails Beauty Program Amino/Collagen Formula
Brand: GNC Women's · Form: CAPSULE [E0159] On Market
Our assessment
The evidence shows that the calcium in this formula is a well-supported mineral for bone health, but it is not a primary ingredient for hair, skin, or nail growth. Our assessment: you should not expect dramatic changes in your hair or nails from this product’s calcium content, as its main role is supporting bone density and muscle function [NIH ODS].
How it works
Think of calcium as a structural builder for your skeleton. It supports bone mineralization and neuromuscular relaxation, meaning it helps your muscles relax and nerves signal properly [NIH ODS]. This mechanism is essential for overall body function, but it does not directly target the keratin or collagen production needed for hair, skin, and nail strength.
Safety profile
FDA received a total of 592,059 adverse event reports across all supplement products. For calcium specifically, high intakes can increase the risk of heart disease and prostate cancer. Signs of excessive calcium 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]. Calcium can also reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
Data not available on the specific dosage of calcium in this product. If you are already getting calcium from your diet, adding more from a beauty supplement may not be necessary and could pose risks. We recommend checking your total daily calcium intake from all sources and discussing this product with your doctor, especially if you take any of the medications listed above [NIH ODS]. For hair, skin, and nail support, you may want to look for products with ingredients like biotin or collagen, though data for this specific formula is limited.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | GNC Women's |
|---|---|
| Serving Size | |
| Contents | 30.0 Capsule(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