Vitamin World Biotin 1000 mcg
Brand: Vitamin World · Form: SOFTGEL CAPSULE [E0161] On Market
Our assessment
The evidence shows that biotin is a water-soluble B-vitamin essential for converting food into energy, but at 1000 mcg, this supplement delivers more than 30 times the Adequate Intake (AI) for adults. Data on the benefits of such high doses for general health is limited, and most people can meet their needs through diet alone [NIH ODS].
How it works
Biotin acts as a coenzyme for carboxylase enzymes, which are critical for fatty acid synthesis, amino acid metabolism, and gluconeogenesis. It also supports the production of keratin, a structural protein that strengthens hair, skin, and nails [NIH ODS].
Safety profile
FDA received 4 adverse event reports for biotin supplements. Side effects at high doses are rare but may include mild digestive upset. A critical safety note: high-dose biotin can interfere with lab tests, including thyroid function and troponin tests, potentially leading to falsely high or low results [FDA data] [NIH ODS].
Our recommendation
For most people, a balanced diet provides sufficient biotin. If you choose to supplement, 1000 mcg is generally considered safe, but be aware of potential lab test interference. Always inform your doctor that you are taking biotin before any blood work [NIH ODS] [FDA data].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Vitamin World |
|---|---|
| Serving Size | |
| Contents | 100.0 Rapid Release 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