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Evidence-Based Supplement Research

Evidence-Based Supplement Research

Vitamin B7 and Increased Thyroid Hormone Level

Doses used in studies

mcg/day: 10,000 (median 10,000, IQR 10,000–10,000) — 1 study

Time to effect

Median: 8.6 weeks · IQR 8.6 weeks–8.6 weeks · Range 8.6 weeks–8.6 weeks — Reported in 1 of 1 study

1 of 1 paper

Biotin induced biochemical hyperthyroidism: a case report and review of the literature.
- 2023-06-28
- Review
- Journal of medical case reports 17(1)
- - Archa James
  - Jinu Stalan
  - Jose Kuzhively
- PubMed: 37370185
- DOI: 10.1186/s13256-023-04002-z
1 Insight on
- Increased Thyroid Hormone Level
- Low evidence
- Clinical
He was on biotin, 10000mcg/day, for his multiple sclerosis. Biotin was discontinued, and five days later his lab results returned to normal values.
Effect
Harmful
Effect size
Moderate
Dose
10000mcg/day