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5-Hydroxytryptophan (5-HTP)

5-Hydroxytryptophan (5-HTP)

Lately, 5-HTP has been gaining attention as a potential helper for those of us having trouble getting a good night’s sleep. People are interested in it because of its natural origins and its role in increasing serotonin, which then can lead to better sleep.

In this post, we’re going to dive into the world of 5-HTP and explore how it might help you catch those elusive Z’s. We’ll look at how 5-HTP is used in healthcare, the benefits it may offer, and answer some common questions.

Bar Shapira, MSc
Medical Research Team
Published September 11, 2024

What is 5-HTP?

5-HTP stands for 5-Hydroxytryptophan. It’s a natural compound that our bodies make from tryptophan, an amino acid found in foods like turkey and cheese. Think of it as a building block that your body uses to produce serotonin, a brain chemical that helps control mood and sleep.

How Has 5-HTP Been Used in Healthcare Related to Sleep Management?

The Role of 5-HTP in Serotonin Production

Understanding how 5-HTP works starts with serotonin, a neurotransmitter that plays a vital role in regulating mood, appetite, and sleep. Your body makes 5-HTP from tryptophan, an amino acid found in foods like turkey, cheese, and chicken. Once you take 5-HTP, it is converted into serotonin.

By increasing serotonin levels, 5-HTP can positively impact your sleep. Serotonin is not only important for mood but is also a precursor to melatonin, the hormone responsible for regulating your sleep-wake cycle. This means that boosting serotonin through 5-HTP can also increase melatonin production, helping you get better sleep.

Use of 5-HTP in Sleep Disorders

5-HTP has gained attention as a potential treatment for sleep disorders such as insomnia and sleep apnea. Insomnia is a common problem that makes it difficult to fall asleep or stay asleep, leading to fatigue and irritability. Studies have shown that 5-HTP can help people fall asleep more quickly and enjoy deeper, more restful sleep. [1] [2] [8] [10]

Sleep apnea is another sleep disorder where breathing repeatedly stops and starts during sleep, affecting sleep quality. Some research suggests that 5-HTP might improve sleep quality for people with sleep apnea by promoting deeper and more consistent sleep. [11] [12]

Addressing Anxiety and Depression

Many people with sleep problems also struggle with anxiety and depression, which can further disrupt sleep. 5-HTP may help improve mood and reduce anxiety by increasing serotonin levels. This can create a positive cycle: better mood leads to better sleep, further improving mood.[4] [5] [6] [7]

Integration into Treatment Plans

Healthcare professionals often use a combination of approaches to address sleep issues, and 5-HTP can be a valuable part of this strategy. By incorporating 5-HTP into a treatment plan, healthcare providers can offer a more holistic approach to sleep management. This might include combining 5-HTP with cognitive-behavioral therapy for insomnia (CBT-I) or other therapies, depending on individual needs.[1] [4] [7] [9]

The Growing Interest in 5-HTP

As more people look for natural ways to improve their health, interest in 5-HTP continues to grow. Researchers are studying its benefits and exploring the most effective dosages for various conditions. While more research is needed, current evidence suggests that 5-HTP can be a useful tool for those seeking to enhance their sleep and overall well-being.[1] [8] [9] [13]

How 5-HTP Helps Patients

  • Improvement in Sleep Quality: One of the biggest benefits of 5-HTP is how it can improve your sleep quality. By boosting serotonin and melatonin levels, 5-HTP helps you fall into a deeper, more restful sleep. Imagine waking up feeling refreshed and ready to take on the day instead of feeling groggy and tired. Many people who use 5-HTP report that they experience better sleep patterns and wake up feeling more rested. [1]
  • Reduction in Sleep Onset Latency: If you often find yourself lying awake at night, unable to drift off to sleep, 5-HTP might be able to help. Research has shown that 5-HTP can help reduce sleep onset latency, which is a fancy way of saying it helps you fall asleep faster. By increasing serotonin levels, 5-HTP may help calm your mind and body, making it easier for you to relax and fall asleep quickly. [11]
  • Impact on Mood and Anxiety: Good sleep and a positive mood often go hand-in-hand. By increasing serotonin, 5-HTP can help improve your mood and reduce feelings of anxiety. When you’re less anxious and in a better mood, it becomes much easier to relax and get the sleep you need. This creates a positive cycle where better sleep leads to a better mood, and a better mood leads to better sleep.[1]

FAQs About 5-HTP

Q: What is 5-HTP, and how does it work?

A: 5-HTP, or 5-Hydroxytryptophan, is a naturally occurring compound that your body makes from tryptophan, an amino acid found in foods like turkey and cheese. Once you take 5-HTP, your body converts it into serotonin, a neurotransmitter that helps regulate mood, appetite, and sleep. By boosting serotonin levels, 5-HTP can help improve your sleep quality and mood.

Q: Is 5-HTP safe to use?

A: Yes, 5-HTP is generally considered safe for most people when taken in recommended doses. However, like any supplement, it can cause side effects in some individuals. Common side effects may include nausea, dizziness, and stomach discomfort. It’s always a good idea to talk to your healthcare provider before starting any new supplement, especially if you are taking other medications.

Q: How should I take 5-HTP for sleep?

A: For those looking to improve their sleep, 5-HTP is usually taken in doses of 50 to 100 mg, about 30 to 60 minutes before bedtime. Starting with a lower dose and gradually increasing it can help you find the right amount for your needs. Remember, it’s essential to follow the instructions on the supplement label or consult with a healthcare professional for personalized advice.

Q: Can 5-HTP be used alongside other sleep aids?

A: Yes, 5-HTP can often be used alongside other sleep aids, but it’s crucial to proceed with caution. Combining 5-HTP with other supplements or medications that affect serotonin levels can increase the risk of serotonin syndrome, a rare but serious condition. Always consult your healthcare provider before mixing 5-HTP with other treatments to ensure it’s safe for you.

Q: Who should avoid using 5-HTP?

A: While 5-HTP can be beneficial for many, certain individuals should avoid using it. Pregnant or breastfeeding women, as well as people with conditions like Down syndrome, kidney disease, or liver disease, should avoid 5-HTP unless advised otherwise by a healthcare professional. Additionally, if you are taking medications like antidepressants or other drugs that influence serotonin levels, it’s essential to consult your doctor before using 5-HTP.

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Summary

5-HTP (5-Hydroxytryptophan) is a natural supplement that helps boost serotonin levels in the body, which in turn increases melatonin production—the hormone crucial for regulating sleep. By enhancing serotonin and melatonin, 5-HTP can improve sleep quality, help you fall asleep faster, and support better mood and reduced anxiety. This makes it a promising option for managing sleep disorders like insomnia and sleep apnea.

In healthcare, 5-HTP is often integrated into personalized treatment plans that may include lifestyle changes and other therapies. While research supports its potential benefits, it’s essential to consult with a healthcare provider before starting 5-HTP, especially if you’re taking other medications or have underlying health conditions. With its natural origins and supportive role in sleep and mood, 5-HTP might be a valuable addition to your sleep management strategy.

Supporting Research

  1. Maffei, M. (2020). 5-Hydroxytryptophan (5-HTP): Natural Occurrence, Analysis, Biosynthesis, Biotechnology, Physiology and Toxicology. International Journal of Molecular Sciences, 22. https://doi.org/10.3390/ijms22010181
  2. Medina, J., Naso, L., Pérez, A., Rizzi, A., Okulik, N., Valcárcel, M., Salado, C., Ferrer, E., & Williams, P. (2019). Synthesis, characterization, theoretical studies and biological (antioxidant, anticancer, toxicity and neuroprotective) determinations of a copper(II) complex with 5-hydroxytryptophan.. Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie, 111, 414-426 . https://doi.org/10.1016/j.biopha.2018.12.098.
  3. Liu, X., Zhang, B., & Ai, L. (2021). Advances in the Microbial Synthesis of 5-Hydroxytryptophan. Frontiers in Bioengineering and Biotechnology, 9. https://doi.org/10.3389/fbioe.2021.624503.
  4. Florian Javelle, Amit Lampit, Wilhelm Bloch, Peter Häussermann, Sheri L Johnson, Philipp Zimmer, Effects of 5-hydroxytryptophan on distinct types of depression: a systematic review and meta-analysis, Nutrition Reviews, Volume 78, Issue 1, January 2020, Pages 77–88, https://doi.org/10.1093/nutrit/nuz039
  5. Nautiyal KM, Hen R. Serotonin receptors in depression: from A to B. F1000Res. 2017 Feb 9;6:123. doi: 10.12688/f1000research.9736.1. PMID: 28232871; PMCID: PMC5302148.
  6. Moncrieff J, Cooper RE, Stockmann T, Amendola S, Hengartner MP, Horowitz MA. The serotonin theory of depression: a systematic umbrella review of the evidence. Mol Psychiatry. 2023 Aug;28(8):3243-3256. doi: 10.1038/s41380-022-01661-0. Epub 2022 Jul 20. PMID: 35854107; PMCID: PMC10618090.
  7. Kious BM, Sabic H, Sung YH, Kondo DG, Renshaw P. An Open-Label Pilot Study of Combined Augmentation With Creatine Monohydrate and 5-Hydroxytryptophan for Selective Serotonin Reuptake Inhibitor- or Serotonin-Norepinephrine Reuptake Inhibitor-Resistant Depression in Adult Women. J Clin Psychopharmacol. 2017 Oct;37(5):578-583. doi: 10.1097/JCP.0000000000000754. PMID: 28787372; PMCID: PMC5578880.
  8. Hong, K., Park, Y., & Suh, H. (2018). Two combined amino acids promote sleep activity in caffeine-induced sleepless model systems. Nutrition Research and Practice, 12, 208 – 214. https://doi.org/10.4162/nrp.2018.12.3.208.
  9. Hong, K., Park, Y., & Suh, H. (2016). Sleep-promoting effects of a GABA/5-HTP mixture: Behavioral changes and neuromodulation in an invertebrate model.. Life sciences, 150, 42-9 . https://doi.org/10.1016/j.lfs.2016.02.086.
  10. Sutanto C, Heng CW, Gan AX, Wang X, Fam J, Kim JE. The Impact of 5-Hydroxytryptophan Supplementation on Sleep Quality of Older Adults in Singapore: A Randomized Controlled Trial. Curr Dev Nutr. 2021 June 7;5(Suppl 2):372. doi: 10.1093/cdn/nzab037_082. PMCID: PMC8181734.
  11. Hudgel DW, Gordon EA. Serotonin-induced cortisol release in CPAP-treated obstructive sleep apnea patients. Chest. 1997 Mar;111(3):632-8. doi: 10.1378/chest.111.3.632. PMID: 9118699.
  12. Hudgel DW, Gordon EA, Meltzer HY. Abnormal serotonergic stimulation of cortisol production in obstructive sleep apnea. Am J Respir Crit Care Med. 1995 Jul;152(1):186-92. doi: 10.1164/ajrccm.152.1.7599822. PMID: 7599822.
  13. Meloni, M., Figorilli, M., Carta, M., Tamburrino, L., Cannas, A., Sanna, F., Defazio, G., & Puligheddu, M. (2021). Preliminary finding of a randomized, double-blind, placebo-controlled, crossover study to evaluate the safety and efficacy of 5-hydroxytryptophan on REM sleep behavior disorder in Parkinson’s disease. Sleep & Breathing = Schlaf & Atmung, 26, 1023 – 1031.
  14. Bruni, O., Ferri, R., Miano, S., & Verrillo, E. (2004). l -5-Hydroxytryptophan treatment of sleep terrors in children. European Journal of Pediatrics, 163, 402-407.
  15. 5-HTP
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