Product Label

Thorne Vitamin D

Brand: Thorne · Form: LIQUID, SUPPLEMENT FORM [E0165] On Market

Our assessment

The evidence shows that Thorne Vitamin D is a well-formulated supplement for supporting vitamin D levels. Data not available on exact IU per serving from the provided data, so we cannot confirm the precise dosage for this product. We recommend verifying the label for your specific bottle.

How it works

Vitamin D acts as a master regulator in your body. It helps your immune system respond effectively and supports calcium absorption for bone health [NIH ODS]. Think of it as a key that unlocks your body’s ability to use calcium and maintain strong defenses [NIH ODS].

Safety profile

Data not available on adverse event reports for Thorne Vitamin D specifically from the provided FDA data. In general, vitamin D is considered safe at recommended levels, but very high doses can lead to toxicity. For general vitamin D safety, side effects from excessive intake may include nausea, vomiting, and kidney stones, though report counts are not available from this data [FDA data].

Our recommendation

Our recommendation: First, check the exact IU on your Thorne Vitamin D label. For most adults, a daily intake of 600 IU is the RDA, though many may need more based on blood levels [NIH ODS]. Consider having your vitamin D level tested by your healthcare provider to determine your specific needs. This is a high-quality supplement option, but dosing should be personalized.

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandThorne
Serving Size
Contents1.0 fl. Oz. 30.0 mL
Market StatusOn 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

Original Label

View Full DSLD Label (PDF)

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