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Buy Our 5-HTP Supplement


5-HTP (5-Hydroxytryptophan) is a naturally-occurring amino acid, found in high concentrations in the Griffonia Simplicifolia plant. It is the chemical precursor to serotonin (5-HT). It has the chemical formula C11H12N2O3 and a molecular mass of 220.228 g/mol.


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5-HTP Reviews


5-HTP Benefits and Uses


Serotonin is a vital neurotransmitter and hormone with important functions in the human body. It is involved in the biosynthesis of both serotonin and melatonin from tryptophan. Anecdotally, 5-HTP may have similar effects to other mood-lifting supplements. Some people consider it a natural serotonin supplement because of its similarity to the neurotransmitter serotonin.


Where to Buy 5-HTP Online?


LiftMode offers a variety of unit sizes of 5-HTP, including a 5-gram sample, a 20-gram (0.71 Oz) unit, and a 50-gram (1.76 Oz) unit, all guaranteed at an extremely high purity of 99+%.

All our products ship with a certificate of analysis from 3rd-party independent laboratories and all orders are covered by our 90-days refund/reshipment policy to ensure the highest quality. 


Shipping restrictions: No shipping restrictions currently apply to this product and we are able to ship internationally. At checkout, the available shipping options for your location will be available.  




5-HTP is known by a number of alternative names, including:


2-Amino-3-(5-Hydroxy-1H-Indol-3-yl)Propanoic Acid

5 Hydroxy-Tryptophan






Scientific Consensus:


A number of studies have been conducted to evaluate the effectiveness of 5-HTP for its proposed benefits. Most studies have indicated positive results with few side effects. Nevertheless, further research is needed to fully understand the significance of the benefits and adverse effects of this supplement, especially for long term use.


There is not enough research about the safety of 5-HTP for pregnant and breastfeeding women.  


Warning: 5-HTP may interact with a number of medications, including SSRI medication and other medicines that affect the serotonergic system. Do not take 5-HTP if you are using medication.


Excessive servings may be detrimental to your health and can cause severe stomach problems and muscle spasms. Do not exceed the recommended serving size.




All dietary supplements have risks. Please ensure that you are familiar with the latest research on effects, side effects, benefits, and uses of a supplement before buying it.


Store in a cool, dry place. Keep out of reach of children. If you have any underlying medical conditions or are taking any medication, please consult a medical professional before using this supplement. 


These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.


buy 5-htp supplement


How We Research Our Content

Our content is written using meticulous research methods and claims are backed by links to scientific references, wherever possible. The author and editors of Liftmode's Research Team have strong academic backgrounds in microbiology, physiology, and biochemistry.

Content Updated On: November 1, 2019




  • Turner, E. H., Loftis, J. M., Blackwell, A. D. (2006). Serotonin a la carte: supplementation with the serotonin precursor 5-hydroxytryptophan. Pharmacol Ther. 109(3):325-38. Epub 2005 Jul 14

  • Emanuele, E., Bertona, M., Minoretti, P., Geroldi D. (2010). An open-label trial of L-5-hydroxytryptophan in subjects with romantic stress. Neuro Endocrinol Lett. 31(5):663-6. 

  • Young, S. N., Leyton, M. (2002). The role of serotonin in human mood and social interaction. Insight from altered tryptophan levels. Pharmacol Biochem Behav., 71(4):857-65

  • Ferracioli-Oda, E., Qawasmi, A., Bloch, M. H. (2013). Meta-analysis: melatonin for the treatment of primary sleep disorders. PLoS One. 8(5):e63773.

  • Morrow, J. D., Vikraman, S., Imeri, L., Opp, M. R. (2008). Effects of serotonergic activation by 5-hydroxytryptophan on sleep and body temperature of C57BL/6J and interleukin-6-deficient mice are dose and time related. Sleep 31(1):21-33.