Factory Supply High Quality pure 5-Hydroxytryptophan

I. Overview

L-5-Hydroxytryptophan (5-HTP) is a naturally occurring amino acid derivative with the chemical name 5-Hydroxy-L-tryptophan (CAS No.: 4350-09-8). Its molecular formula is C₁₁H₁₂N₂O₃, and its molecular weight is 220.22 g/mol. As the immediate precursor to the neurotransmitter serotonin (5-hydroxytryptamine, 5-HT), 5-HTP is synthesized from tryptophan in the human body via the action of tryptophan hydroxylase and subsequently metabolized into serotonin. 5-HTP is naturally abundant in the seeds of the leguminous plant Griffonia simplicifolia, where it constitutes over 10% of the dry seed weight.

Key Properties:

• Appearance: White to light yellow crystalline powder.
• Melting Point: 270°C (decomposes).
• Solubility: Freely soluble in water, slightly soluble in ethanol, and insoluble in nonpolar solvents.
• Stability: Sensitive to light and heat; requires storage in a cool, dark environment.

II. Physiological Mechanisms of Action

5-HTP exerts its physiological effects through the following pathways as a serotonin precursor:

1. Blood-Brain Barrier Permeability: 5-HTP freely crosses the blood-brain barrier and is converted into serotonin within the brain.
2. Serotonin Level Regulation: Supplementation with 5-HTP increases brain serotonin levels, thereby improving mood, sleep quality, and appetite control.
3. Appetite Suppression: Serotonin activates hypothalamic satiety centers, reducing food intake.
4. Analgesic Effects: Serotonin participates in descending pain-modulatory pathways, diminishing pain sensitivity.

III. Applications

1. Medical and Health Fields

• Depression and Anxiety Disorders:
  • 5-HTP is used as an adjunctive therapy for antidepressants to alleviate symptoms of low mood and anxiety.
  • Clinical studies demonstrate that 5-HTP supplementation significantly elevates serotonin levels and mitigates depressive symptoms.
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• Insomnia and Sleep Disorders:
  • By promoting serotonin synthesis and subsequent conversion to melatonin, 5-HTP regulates the sleep-wake cycle.
  • It is employed to address difficulties in initiating sleep and shallow sleep, particularly in stress-related insomnia.
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• Fibromyalgia and Chronic Pain:
  • 5-HTP alleviates pain, morning stiffness, and fatigue in patients with fibromyalgia.
  • It reduces pain intensity in conditions such as migraines and tension headaches by modulating serotonin and endorphin levels.
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• Appetite Suppression and Weight Management:
  • 5-HTP enhances satiety and reduces carbohydrate intake, supporting weight loss efforts.
  • Clinical trials indicate that 5-HTP supplementation leads to significant reductions in body weight and BMI.
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• Premenstrual Syndrome (PMS):
  • By regulating serotonin levels, 5-HTP mitigates mood swings, breast tenderness, and other PMS-related symptoms.

2. Dietary Supplement Sector

• Mood Regulation and Stress Management:
  • 5-HTP is utilized as a dietary supplement to alleviate stress and improve low mood.
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• Sleep Aid:
  • Combined with melatonin or valerian root extracts, it enhances sleep quality.
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• Appetite Control:
  • It assists in dietary restraint by reducing binge-eating behaviors.

3. Scientific Research

• Neuroscience Research:
  • As a critical intermediate in serotonin synthesis, 5-HTP is employed to investigate the serotonergic system.
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  • Animal Models:
• • It is used to establish animal models of neuropsychiatric disorders such as depression and anxiety, facilitating the evaluation of drug efficacy.