Vitamin World Sunvite Vitamin D3 2000 IU
Brand: Vitamin World · Form: SOFTGEL CAPSULE [E0161] On Market
Our assessment
The evidence shows that Vitamin World Sunvite Vitamin D3 2000 IU provides a meaningful daily dose for maintaining healthy vitamin D levels. For most adults, the RDA is 600 IU daily, and 2000 IU is a common supplemental dose that supports bone health and immune function [NIH ODS]. Data on the specific effectiveness of this product is not available, but the active ingredient, vitamin D3 (cholecalciferol), is well-studied for its role in calcium absorption and bone mineralization [NIH ODS].
How it works
Think of vitamin D3 as a key hormone precursor — your body converts it into an active form that helps regulate calcium and phosphorus levels in your blood. This process is critical for building and maintaining strong bones [NIH ODS]. Vitamin D also supports immune cell function, helping your body respond to infections and reduce inflammation [NIH ODS]. Taking 2000 IU daily is a common strategy to maintain adequate serum levels, especially for individuals with limited sun exposure.
Safety profile
Data on adverse events specific to this product is not available. However, vitamin D toxicity is rare and typically occurs only from taking extremely high doses (over 10,000 IU daily) for prolonged periods. The tolerable upper intake level for adults is 4,000 IU per day [NIH ODS]. Side effects from excessive intake include nausea, vomiting, poor appetite, constipation, weakness, and weight loss [NIH ODS]. FDA received 694 adverse event reports related to vitamin D supplements overall [FDA data].
Our recommendation
We recommend starting with 2000 IU of vitamin D3 daily, which is within safe limits for most adults. For personalized guidance, get your blood levels of 25-hydroxyvitamin D checked. If your levels are low, this dose is a reasonable starting point. Choose vitamin D3 (cholecalciferol) as found in this product, as it is more effective at raising blood levels than vitamin D2 [NIH ODS]. Always consult your healthcare provider before starting any new supplement, especially if you have kidney stones or take medications like thiazide diuretics.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Vitamin World |
|---|---|
| Serving Size | |
| Contents | 100.0 Easy to Swallow Rapid Release Liquid Softgel(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