Vitamin World Sunvite Vitamin D3 400 IU
Brand: Vitamin World · Form: TABLET [E0155]
Our assessment
The evidence shows that Vitamin World Sunvite Vitamin D3 400 IU provides a standard daily dose of vitamin D. This amount is below the general RDA of 600 IU for most adults, meaning you may need additional supplementation or dietary sources to meet your needs [NIH ODS]. We recommend this product primarily as a maintenance option for those who already get some vitamin D from sun exposure or food.
How it works
Think of vitamin D3 as a key hormone precursor — your body converts it into an active form that helps regulate calcium absorption for strong bones and supports your immune system's first line of defense [NIH ODS]. The 400 IU dose in this product provides a foundation, but data on the specific formulation from Vitamin World is limited.
Safety profile
Data not available on specific adverse event reports for this exact product. However, the NIH ODS notes that vitamin D toxicity is rare at intakes below 4,000 IU daily [NIH ODS]. Side effects from excessive vitamin D intake generally include nausea, vomiting, and kidney stones, but these are not expected at the 400 IU dose provided here [NIH ODS].
Our recommendation
We recommend this product as a safe starting point if you are looking for a low-dose vitamin D supplement. However, because 400 IU is below the standard RDA, you should consider whether you need a higher dose. We advise checking your vitamin D blood levels with your healthcare provider and choosing a product with third-party testing for quality assurance [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Vitamin World |
|---|---|
| Serving Size | |
| Contents | 250.0 Easy To Swallow Coated 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