Hermetica Superfood Encyclopedia
Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.
Review flags: AWAITING_SEMANTIC_VALIDATION
Alanine, primarily as L-alanine, is a fundamental amino acid central to the glucose-alanine cycle, facilitating energy production during exercise and supporting gluconeogenesis. It also plays a crucial role in protein synthesis, contributing to muscle repair and immune function.
Reported Benefits (Provisional)
Origin & History
Alanine is a non-essential amino acid, endogenously synthesized and abundant in protein-rich foods like meat, poultry, and fish. Central to glucose metabolism, alanine plays a vital role in sustaining energy, supporting immune defense, and aiding muscle repair. Its metabolic flexibility makes it indispensable during periods of physical exertion, fasting, or recovery.
Research Narrative (Provisional)
Prolonged L-alanine exposure in beta-cells reduces acute insulin secretion by 74%, suppresses depolarization and Ca2+ responses, with partial recovery after 18h removal, indicating reversible desensitization (no PMID).[3] This is accompanied by increased glutamate C4 labeling via pyruvate dehydrogenase flux and reduced PDK2/PDK4 expression, lowering ATP (no PMID).[3] Beta-alanine treatment in myotubes elevates PPARβ/δ (5.8-fold), TFAM, cytochrome c, and oxygen consumption, dependent on PPARβ/δ, suggesting improved oxidative capacity (no PMID).[2] It also boosts MEF-2 and GLUT4 for glucose uptake (no PMID).[2] Beta-alanine supplementation yields a median 2.85% improvement in exercise outcomes (-0.37 to 10.49%) across studies (no PMID).[5] Mechanisms involve carnosine synthesis for physiological functions (no PMID).[6]
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
- Amino Acid: A primary substrate in the glucose-alanine cycle. - Nitrogen Carrier: Facilitates nitrogen transport between tissues.
Reported Mechanism (Provisional)
Alanine is central to the glucose-alanine cycle, transporting amino groups from muscle to liver where it's converted to glucose via gluconeogenesis, providing energy during exercise. It also inhibits pyruvate kinase, a key enzyme in glycolysis, thereby modulating glucose metabolism. Its small methyl side chain contributes significantly to protein structure, promoting compact folding critical for protein function, particularly in alpha-helices.
Clinical Narrative (Provisional)
As a non-essential amino acid, alanine's physiological roles are well-established, primarily its participation in the glucose-alanine cycle for maintaining blood glucose levels during fasting or intense exercise. While direct clinical trials on alanine supplementation for specific disease outcomes are not extensively detailed in foundational research, its indispensable role in protein synthesis and nitrogen metabolism supports muscle integrity, immune response, and overall metabolic health, making it a critical component of human nutrition and physiology.
Also Known As
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