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serotonin & dopamine precursor trial 2-month supply

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Increase serotonin & dopamine naturally with L tyrosine & 5HTP. 

In  the bundle : 

  • dopamine precursor 800mg tyrosine 60 capsules - 2 months supply
  • serotonin enhancement 100mg 5htp - 60 tablets - 2 months supply

Tyrosine is a natural isolated nutrient and the building block to dopamine. World's 1st natural 800mg tyrosine capsule from fermented corn.

5-htp is a natural nutrient extracted from the griffonia seed and the building block to serotonin (5-HT) . 99% of the tablet is comprised of 5-htp making it the smallest, nutrient-dense 100mg tablet available 

What is the difference between serotonin and dopamine ?

Serotonin is your feel good chemical messenger regulating positive mood. At night serotonin converts to your sleep hormone melatonin promoting restful sleep.

Dopamine is your reward and pleasure chemical. Dopamine is released when you derive pleasure from activities such as sex, great food and accomplishment. It is also linked to alertness and motivation.


5HTP :5-htp, natural cellulose, magnesium stearate (vegetable source)

Tyrosine : tyrosine, vegetable capsule, bulking agent; rice flour, vitamin b12


[1.] Berumen, L.C., et al., Serotonin Receptors in Hippocampus. The Scientific World Journal, 2012. 2012: p.15.

[2.] Birdsall, T.C., 5-Hydroxytryptophan: A Clinically-Effective Serotonin Precursor. Alternative Medicine Review, 1998. 3(4): p. 271-280.

[3.] Prasad, C., Food, mood and health: a neurobiologic outlook. Brazilian Journal of Medical and Biological Research, 1998. 31: p. 1517-1527.

[4.] Martini, Nath, and Bartholomew, Fundamentals of Anatomy and Physiology. 9th ed, ed. L. Berriman. 2012, San Francisco: Pearson

[5.] Berton, O. and E.J. Nestler, New approaches to antidepressant drug discovery: beyond monoamines. Nat Rev Neurosci, 2006. 7(2): p. 137-151.

[6.] van Praag, H.M., et al., A pilot study of the predictive value of the probenecid test in application of 5-hydroxytryptophan as antidepressant. Psychopharmacologia, 1972. 25(1): p. 14-21.

[7.] Trachte, G.J., T. Uncini, and M. Hinz, Both stimulatory and inhibitory effects of dietary 5-hydroxytryptophan and tyrosine are found on urinary excretion of serotonin and dopamine in a large human population. Neuropsychiatric Disease and Treatment, 2009. 5: p. 227-235.

[8.] von Sano, T., L-5-Hydroxytryptophan-(L-5-HTP) Therapie*. Psychiatry and Clinical Neurosciences, 1972. 26(1): p. 7-17.

[9.] Jangid, P., et al., Comparative study of efficacy of l-5-hydroxytryptophan and fluoxtin in patients presenting with first depressive episode. Asian Journal of Psychiatry, 2013. 6(1): p. 29-34.

[10.]Fujiwara, J. and S. Otsuki, Subtype of Affective Psychoses Classified by Response on Amineprecursors and Monoamine Metabolism. Psychiatry and Clinical Neurosciences, 1974. 28(2): p. 93-100.

[11.] Takahashi, S., H. Kondo, and N. Kato, Effect of L-5-hydroxytryptophan on brain monoamine metabolism and evaluation of its clinical effect in depressed patients. Journal of Psychiatric Research, 1975. 12(3): p. 177-187.

[12.] Nakajima, T., Y. Kudo, and Z. Kaneko, Clinical Evaluation of 5-Hydroxy-L-Tryptophan as an Antidepressant Drug. Psychiatry and Clinical Neurosciences, 1978. 32(2): p. 223-230.

[13.] Alino, J.J., J.L. Gutierrez, and M.L. Iglesias, 5-Hydroxytryptophan (5-HTP) and a MAOI (nialamide) in the treatment of depressions. A double-blind controlled study. Int Pharmacopsychiatry, 1976. 11(1): p. 8-15.

[14.]Pöldinger, W., B. Calanchini, and W. Schwarz, A Functional-Dimensional Approach to Depression: Serotonin Deficiency as a Target Syndrome in a Comparison of 5-Hydroxytryptophan and Fluvxamine. Psychopathology, 1991. 24(2): p. 53-81.

[15.] Bell, E.A. and D.H. Janzen, Medical and Ecological Considerations of L-Dopa and 5-HTP in Seeds. Nature, 1971. 229(5280): p. 136-137.

[16.] Biskup, C.S., et al., Effects of Acute Tryptophan Depletion on Brain Serotonin Function and Concentrations of Dopamine and Norepinphrine in C57BL/6J and BALB/cJ Mice. PLoS ONE, 2012. 7(5): p. e35916.

[17] Mcgill University, Montreal – Psychopharmacology for the Clinician – Journal of Psychiatry Neuroscience 2007; 32(3)

[18] a b c Glaeser BS, et al. Elevation of plasma tyrosine after a single oral dose of L-tyrosine. Life Sci. (1979)

[19] Soranzo et al Fear expression is suppressed by tyrosine administration – Journal of Nature Scientific reports 9, 16073 (2019)


How/when should i take them? + -

Take 1 5HTP tablet with a meal. Serotonin plays an important role in regulating mood and sleep. It's recommended you take 5-htp as/when you have an emotional need for the product.

Take 1 capsule 800mg tyrosine with or without food. Dopamine plays an important role in alertness and motivation and is often taken in the morning but some people take it before going to the gym

Are 5HTP and L- tyrosine safe to take together ? + -

You can use 5HTP and Tyrosine together. They work on different chemical pathways and they do not contraindicate. There may be a synergistic benefit of taking them in combination however, the synergistic benefit at these specific mg dosages hasn't been studied in clinical trials.

Are there any contra-indications? + -

5-htp should not be taken with any anti-depressant medication.

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