Major Calcium 600 mg + D3 400 IU
Brand: Major · Form: TABLET [E0155]
Our assessment
The evidence shows that this supplement provides 600 mg of calcium and 400 IU of vitamin D3, which can help support your bone health. However, the safety data on calcium requires careful attention, as high intakes have been linked to certain health risks. Data not available on the specific brand or product name from the provided information.
How it works
Think of calcium as a key building block for your bones, supporting bone density and mineral deposition. It also helps with neuromuscular relaxation, meaning it supports muscle relaxation and nerve signaling [NIH ODS]. The vitamin D3 helps your body absorb that calcium more effectively.
Safety profile
FDA received 592,059 total adverse event reports for products in this category. For calcium specifically, some research suggests that high 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].
Our recommendation
Start with one tablet daily, but be aware that calcium can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. Take this supplement at a separate time from those medications. Discuss your total daily calcium intake from all sources with your doctor to avoid exceeding safe levels [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Major |
|---|---|
| Serving Size | |
| Contents | 180.0 Tablet(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