Vitamin B1 (Thiamine HCl)

Product Overview

Thiamine (Vitamin B1) was the first B vitamin discovered, identified through the study of beriberi, a devastating disease that plagued rice-dependent populations across Asia for centuries. In 1897, Dutch physician Christiaan Eijkman observed that chickens fed polished rice developed beriberi-like paralysis, while those fed unpolished rice remained healthy — the first experimental evidence of a dietary deficiency disease. In 1912, Polish biochemist Casimir Funk isolated the anti-beriberi factor from rice bran and coined the term "vitamine." The pure crystalline compound was isolated in 1926 by Jansen and Donath, and its structure was determined by Robert R. Williams in 1936, who subsequently led the first commercial synthesis program at Merck.

Thiamine HCl is the hydrochloride salt form of thiamine, delivering the highest water solubility among B1 salts. As thiamine pyrophosphate (TPP), the active coenzyme form, it catalyzes the oxidative decarboxylation of pyruvate to acetyl-CoA — the irreplaceable gateway step connecting glycolysis to the Krebs cycle. Without adequate thiamine, carbohydrate metabolism stalls at pyruvate, and cells cannot generate ATP aerobically. This explains why tissues with high glucose demand — brain, heart, peripheral nerves — are the first to show dysfunction during thiamine deficiency.

The hydrochloride salt is the preferred form for pharmaceutical applications requiring high water solubility: injectable solutions, intravenous formulations, liquid oral supplements, and energy drink fortification. Its solubility in water exceeds 1 g/mL at room temperature, making it ideal for concentrated sterile solutions. For solid oral dosage forms, the HCl salt can be used directly in tablets, capsules, and effervescent formulations, though humidity-sensitive applications benefit from the mononitrate alternative.

As of mid-2026, global thiamine HCl demand is driven by expanding clinical nutrition programs in emerging economies, growing parenteral nutrition use in hospital settings, and sustained energy drink market growth. China dominates global thiamine API production, accounting for approximately 80-85% of worldwide supply, with manufacturing concentrated in Zhejiang, Jiangsu, and Hubei provinces. KingWish supplies CEP-certified thiamine HCl manufactured under ICH Q7 GMP conditions, with full regulatory documentation supporting pharmaceutical formulators in over 100 countries.

Quality Specifications

Applications

• Pharmaceutical Preparations: Tablets, capsules, and oral solid dosage forms of thiamine for therapeutic use
• Injectable Formulations: Sterile injectable solutions for clinical administration in hospital and clinical settings
• Dietary Supplements: High-potency B1 and B-complex supplement formulations
• Energy Drinks: Water-soluble format for fortification of sports and energy beverages
• Clinical Nutrition: Parenteral and enteral nutrition formulations for patient care