Thorne Research Vitamin D
Brand: Thorne Research · Form: LIQUID, SUPPLEMENT FORM [E0165]
Our assessment
The evidence shows that vitamin D is a foundational supplement for overall health. Thorne Research Vitamin D provides a single-ingredient formulation, which allows for precise dosing. Data not available on the specific dosage per serving from the provided information, but the general consensus supports its role in calcium absorption and immune function [NIH ODS].
How it works
Think of vitamin D as a key hormone precursor — your body converts it into an active form that regulates hundreds of genes. It helps you absorb calcium from your diet, supports bone mineralization, and modulates your immune response to help you fight off infections [NIH ODS].
Safety profile
Data not available on adverse event reports specific to Thorne Research Vitamin D from the provided FDA data. General safety data indicates that vitamin D toxicity is rare but can occur with extremely high, sustained doses. Symptoms of toxicity include nausea, vomiting, and kidney stones [NIH ODS]. Data not available on specific side effect report counts for this product.
Our recommendation
Start with a standard dose, typically 600 to 800 IU daily for most adults, but a blood test is the best way to determine your personal need [NIH ODS]. Choose a reputable brand like Thorne Research for quality assurance. If you have a known deficiency, higher doses may be needed under medical supervision [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Thorne Research |
|---|---|
| Serving Size | |
| Contents | 1.0 fl. Oz. 30.0 mL |
| 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