Vitamin World Sunvite Vitamin D3 400 IU
Brand: Vitamin World · Form: TABLET [E0155] On Market
Our assessment
The evidence shows that Vitamin World Sunvite Vitamin D3 400 IU is a standard, low-dose supplement. Data on this specific product is limited, but the active ingredient, vitamin D3 (cholecalciferol), is well-supported. For general health, the recommended daily allowance is 600 IU for most adults, meaning this single 400 IU tablet is below that target [NIH ODS]. You may need additional vitamin D from other sources or a higher dose to meet your needs.
How it works
Think of vitamin D3 as a key signaling molecule. It helps your body absorb calcium for strong bones and supports immune function [NIH ODS]. The 400 IU dose in this product provides a foundational level of support, but its impact will depend on your current vitamin D status and overall dietary intake.
Safety profile
Data not available for this specific product from FDA adverse event reports. However, for vitamin D in general, toxicity is rare at this low dose. Side effects typically occur only with prolonged intake of very high doses (over 4,000 IU daily) [NIH ODS]. Taking 400 IU daily is considered safe for most people.
Our recommendation
This supplement is a safe option for maintaining baseline levels if you already get some vitamin D from sun exposure or fortified foods. However, because 400 IU is below the standard RDA of 600 IU, we cannot recommend it as a standalone solution for correcting a deficiency [NIH ODS]. For a clearer plan, we recommend you get a blood test to see where your levels are and choose a dose that matches your specific needs.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Vitamin World |
|---|---|
| Serving Size | |
| Contents | 250.0 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