Nature's Sunshine Calcium plus Vitamin D
Brand: Nature's Sunshine · Form: TABLET [E0155] On Market
Our assessment
The evidence shows that calcium is a critical mineral for bone health, but it must be taken with careful attention to dosage and timing. For the Nature’s Sunshine Calcium plus Vitamin D product, we recommend you verify the exact amounts of each ingredient on the label, as the specific dosages are not provided here. The core benefit of this combination is that vitamin D helps your body absorb calcium more effectively [NIH ODS].
How it works
Think of calcium as the structural building block for your bones, supporting bone density and mineral deposition. It also plays a key role in neuromuscular relaxation, helping your muscles relax and your nerves signal properly. Vitamin D acts as a master regulator to enhance calcium absorption from your gut, making this pair more effective than calcium alone [NIH ODS].
Safety profile
The FDA has received a total of 592,059 adverse event reports for this product category. Specifically for calcium, side effects from excessively high intake can include constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, and abnormal heart rhythms. Some research also suggests high calcium intakes might increase the risk of heart disease and prostate cancer [FDA data] [NIH ODS]. Data on side effects specific to this product’s vitamin D content is not available.
Our recommendation
Start by checking the exact calcium and vitamin D amounts on your product label. To minimize risks, avoid taking more than 1,000–1,200 mg of calcium from supplements daily, and take it with food. Be aware that calcium can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin — so separate your supplement from these medications by at least two hours [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Nature's Sunshine |
|---|---|
| Serving Size | |
| Contents | 150.0 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