GNC Earth Genius Vegetarian Calcium
Brand: GNC Earth Genius · Form: SUPPLEMENT FORM, OTHER [E0172] On Market
Our assessment
The evidence shows that calcium is essential for bone health, but our assessment is that you need to be careful with dosing. For GNC Earth Genius Vegetarian Calcium, we rely on ingredient data because specific product-level clinical studies are not available. The core benefit is clear: calcium supports bone mineralization and neuromuscular function [NIH ODS].
How it works
Think of calcium as a structural builder for your bones and a signal regulator for your nerves. It works by supporting bone density and mineral deposition, and it helps your muscles relax and nerves signal properly [NIH ODS]. Without adequate calcium, your body may leach it from your bones, which can weaken them over time.
Safety profile
FDA received a total of 592,059 adverse event reports for calcium-containing products. Regarding safety, some research suggests that high calcium intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. High levels of calcium in the blood and urine can cause poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, 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]. Data not available for product-specific side effects beyond ingredient data.
Our recommendation
Our recommendation: If you take this supplement, do not exceed the general upper limit from all sources. Take calcium with food for better absorption, and separate it from medications like thyroid hormone or antibiotics by at least 2 hours [NIH ODS]. Always consult your doctor before starting, especially if you have kidney issues or take prescription medications [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | GNC Earth Genius |
|---|---|
| Serving Size | |
| Contents | 90.0 Vegetarian 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