vitafusion Vitamin D3 2000 IU

Our assessment

The evidence shows that vitamin D3 is essential for your health, and 2000 IU daily is a common supplemental dose. Data not available for specific product testing or efficacy for vitafusion brand. However, the general benefits of vitamin D are well-documented [NIH ODS].

How it works

Think of vitamin D as a master regulator for your body. It helps your immune system respond to threats and supports bone health by aiding calcium absorption [NIH ODS]. This is a fat-soluble vitamin, so taking it with food improves absorption.

Safety profile

Data not available for side effects specific to vitafusion Vitamin D3 2000 IU. For vitamin D generally, side effects from excessive intake are rare at this dose, but can include nausea and weakness at very high levels. Data not available for specific adverse event reports for this product [FDA data].

Our recommendation

Start with 2000 IU daily. This is a safe and effective dose for most adults, but you should consider getting your blood levels checked by your doctor to ensure it is appropriate for your needs [NIH ODS].

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