GNC Melatonin 10
Brand: GNC · Form: TABLET [E0155] On Market
Our assessment
The evidence shows that calcium is essential for bone health, but the data on high-dose supplements like this one requires careful consideration. For most adults, the goal is to meet, not exceed, your daily needs through diet and supplementation [NIH ODS].
How it works
Calcium acts as a structural building block for your bones and teeth, supporting bone density and mineralization. It also plays a key role in neuromuscular relaxation and nerve signaling, helping your muscles and nerves function properly [NIH ODS].
Safety profile
FDA has received a total of 592,059 adverse event reports across all products. For calcium specifically, high intakes may increase the risk of heart disease and prostate cancer. High levels in the blood and urine can cause poor muscle tone, poor kidney function, 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
Start by assessing your total daily calcium intake from food and other supplements. Calcium can reduce the absorption of medications like bisphosphonates, tetracycline antibiotics, and levothyroxine [NIH ODS]. Consult your doctor before adding this supplement, especially if you have kidney concerns or take other medications.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | GNC |
|---|---|
| Serving Size | |
| Contents | 60.0 Vegetarian Tablet(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