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Dr. Ronald Roth Acu-Cell AI

Vitamin B1 (Thiamine) Upper Limit

  • No Established UL: According to regulatory authorities and scientific reviews, there is no established Tolerable Upper Intake Level (UL) for vitamin B1 (thiamine).
  • Water-Soluble Nature: Because thiamine is a water-soluble vitamin, any excess amounts consumed orally are generally excreted rapidly through the urine by the kidneys.
  • Toxicity Risk: Due to this efficient renal clearance, adverse toxic effects from high dietary intake or oral supplementation of thiamine are extremely rare.
  • Parenteral Caution: Mild to severe adverse reactions—such as hypersensitivity or anaphylactic-like symptoms—have been observed primarily with very high doses administered via intravenous or intramuscular injection, rather than through normal oral consumption.
AI-generated in the approach of Dr. Ronald Roth. Not his own words.
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Tolerable Upper Intake Level - connections

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