Overview
β-Alanine is a naturally occurring beta-amino acid, differing from alpha-amino acids in the position of its amino group. Unlike most amino acids, it is not used in protein synthesis but serves as a building block for carnosine, a dipeptide found in muscle tissue. It is synthesized industrially via chemical processes or microbial fermentation. β-Alanine gained prominence in sports nutrition due to its role in enhancing athletic performance. It is commonly used in pre-workout supplements and is favored for its ability to delay muscle fatigue during high-intensity exercise.
Physical and Chemical Properties
β-Alanine appears as a white, odorless crystalline powder with a slightly sweet taste. It is stable under normal conditions but decomposes at temperatures above 207°C. The compound is highly soluble in water, making it suitable for liquid formulations, and exhibits zwitterionic properties in solution. Its molecular structure lacks a chiral center, distinguishing it from alpha-alanine. This property simplifies its synthesis and purification processes. The amino group's beta-position also influences its metabolic pathways, bypassing typical proteinogenic routes.
Main Applications
The primary use of β-alanine is in sports nutrition, where it boosts carnosine levels in muscles. Carnosine acts as a pH buffer, reducing lactic acid accumulation during exertion. Clinical studies support its efficacy in improving performance in short-duration, high-intensity activities like sprinting or weightlifting. In pharmaceuticals, β-alanine serves as an intermediate for drugs such as pantothenic acid (vitamin B5) and balhimycin. It also shows potential in neuroprotective therapies and as a component in intravenous nutrition solutions.
Safety and Storage
β-Alanine is classified as safe for consumption at doses up to 6.4 g/day. Side effects are typically limited to transient paresthesia (tingling), which subsides with continued use. Manufacturers recommend storing the compound in airtight containers at room temperature to prevent moisture absorption. Industrial handling requires standard PPE (gloves, goggles) to avoid inhalation or eye contact. While non-toxic, excessive dust generation should be controlled via proper ventilation. Regulatory compliance (e.g., FDA GRAS, EU Novel Food) must be confirmed for dietary applications.
B2B Procurement Guide
When sourcing β-alanine, prioritize suppliers with certified manufacturing facilities (GMP, ISO 9001). Request certificates of analysis (CoA) specifying purity (≥98%), heavy metal content (<10 ppm), and microbiological safety. Bulk buyers should negotiate pricing tiers for quantities above 100 kg. Consider contract manufacturers for custom formulations (e.g., sustained-release granules). Logistics planning should account for hygroscopicity—ensure moisture-proof packaging during transit. For pharmaceutical-grade material, audit suppliers for compliance with USP or EP monographs.
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