Micronutrients

Griffonia Simplicifolia plant: effect, use and dosage

Camilla Freinek
from Camilla Freinek, BSc MSc
on 04.02.2025
Woman with a big smile on the beach

Griffonia simplicifolia has become increasingly popular in recent years. It is particularly valued for its potential positive effects on mental health. But what does this plant really have to offer? How does it work, and what side effects might occur? This blog post offers you a comprehensive overview of griffonia, its ingredients and how to use it properly.

Griffonia seed: what is behind it?

Griffonia simplicifolia is an herbaceous plant native to the tropical regions of West Africa. The seeds of this plant are particularly interesting because they contain high amounts of 5-hydroxytryptophan (5-HTP). This molecule is a precursor of the neurotransmitter serotonin, which plays a crucial role in regulating mood, sleep and appetite.

In traditional West African medicine, griffonia has been used for centuries to treat various ailments. It is particularly valued for its calming effect and its ability to increase well-being. Today, modern research is focusing on the African black bean due to its potential uses in dietary supplements.

Griffonia seed extract: valuable ingredients and uses

The Griffonia extract is obtained from the seeds of the plant and is rich in 5-HTP. This molecule is particularly interesting because it can cross the blood-brain barrier. In the brain, 5-HTP is converted into serotonin, which influences various physiological and psychological processes.

Overview of the main ingredients and their effects:

Griffonia extract has many uses. It is often sold in the form of capsules or tablets and taken as a dietary supplement to promote mental well-being.

To the 5-HTP dietary supplement

Griffonia seed benefits and effects: what does 5-hydroxytryptophan help with?

The main effect of griffonia is due to its 5-HTP content. This molecule is a key substance in the metabolic pathway that produces serotonin. A balanced serotonin level is crucial for many physical and psychological functions:

  • Mood enhancement: A lack of serotonin is often associated with depression, low mood, mood swings and anxiety. 5-HTP can help to stabilise mood and promote well-being, as well as supporting emotional balance.
  • Pain relief: There is evidence that 5-HTP can help with chronic pain such as migraine or fibromyalgia by reducing pain sensation.
  • Stress reduction: By boosting serotonin production, griffonia can help to reduce stress and promote inner calm.
  • Help with weight management: Griffonia can reduce cravings by regulating appetite. Thus, Griffonia can also be used as an adjunctive therapy for obesity.
  • Improvement in sleep quality: Serotonin plays a crucial role in the sleep-wake cycle. By converting serotonin into melatonin, 5-HTP supports a healthy sleep cycle.

Side effects: When should Griffonia not be taken?

If you are taking antidepressants, you must first discuss taking 5-HTP with your therapist. Since 5-HTP affects the serotonin balance, interactions with medication cannot be ruled out. This applies in particular to selective serotonin reuptake inhibitors (SSRI) and other antidepressants. The effect of the antidepressants is increased by 5-HTP. If they are taken at the same time, a serotonin syndrome is possible. In any case, 5-HTP should only be taken under the special supervision of the treating therapist.

The use of griffonia in pregnant and breastfeeding women is not recommended due to a lack of studies.

How much 5-hydroxytryptophan should you take?

The optimal dosage of griffonia or 5-HTP depends on the individual situation and the intended use. Generally recommended dosages are:

  • For mood enhancement: 50-100 mg 5-HTP per day.
  • For better sleep: 100-200 mg 5-HTP about 30-60 minutes before bedtime.
  • For appetite control: 50 mg 5-HTP before main meals.

Tips for taking griffonia simplicifolia

  • Start with a low dose: To test tolerability, you should start with the lowest recommended amount.
  • Combination with other nutrients: Some supplements combine 5-HTP with magnesium or vitamin B6 to facilitate its conversion into serotonin.
  • Take with or without food: Griffonia can be taken with or without food, although if you have a sensitive stomach it is advisable to consume it after a meal.
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Frequently asked questions about griffonia:

Yes, griffonia simplicifolia is considered healthy because it is a natural source of 5-hydroxytryptophan (5-HTP), which can increase serotonin levels in the brain.

Griffonia works primarily through its main component 5-HTP, which is converted into serotonin in the brain. This enables the plant to help stabilise mood, promote sleep, reduce stress and reduce cravings.

  • Pregnant and breastfeeding women: Since there are insufficient studies on the safety of griffonia during pregnancy, it is not recommended to take it.
  • Children: Use in children should only be done under a doctor's supervision.
  • Possible interactions with medication: People who are already taking antidepressants or other serotonergic substances should avoid griffonia.

The effect of Griffonia can vary from person to person, but it usually occurs within one to two weeks of regular intake. For sleep disorders, the effect of 5-HTP can often be felt within a few days, while it can take a little longer for mood enhancement.

-hydroxytryptophan (5-HTP) is an essential amino acid and a natural precursor to serotonin, a neurotransmitter responsible for regulating mood, sleep and appetite. It is derived from the seeds of the griffonia plant and is commonly used in dietary supplements to promote well-being and relaxation.

Sources:

Nakamura, K., Hasegawa, H. 2009. Production and Peripheral Roles of 5-HTP, a Precursor of Serotonin. Int J Tryptophan Res. 2:37–43. https://pubmed.ncbi.nlm.nih.gov/22084581/

Gröber, U. 2011. Arzneimittel und Mikronährstoffe: Medikationsorientierte Supplementierung. Wissenschaftliche Verlagsgesellschaft Stuttgart.

Browne, C. A. et al. 2011. Differential stress-induced alterations in tryptophan hydroxylase activity and serotonin turnover in two inbred mouse strains. Neuropharmacology. 60(4):683–91. https://pubmed.ncbi.nlm.nih.gov/21130784/

Hinz, M. et al. 2012. 5-HTP efficacy and contraindications. Neuropsychiatr Dis Treat. 8:323–8.

Jangid, P. et al. 2013. Comparative study of efficacy of l-5-hydroxytryptophan and fluoxetine in patients presenting with first depressive episode. Asian J Psychiatr. 6(1):29–34. https://pubmed.ncbi.nlm.nih.gov/23380314/

Carnevale, G. et al. 2011. Anxiolytic-like effect of Griffonia simplicifolia Baill. seed extract in rats. Phytomedicine. 18(10):848–51. https://pubmed.ncbi.nlm.nih.gov/21353511/

Rancillac, A. 2016. Serotonin and sleep-promoting neurons. Oncotarget. 7(48):78222–3. https://pubmed.ncbi.nlm.nih.gov/27861160/

NakamaruOgiso, E. et al. 2012. Novel biochemical manipulation of brain serotonin reveals a role of serotonin in the circadian rhythm of sleep– wake cycles. Eur J Neurosci. 35(11):1762–70. https://pubmed.ncbi.nlm.nih.gov/22625848/

Yonkers, K. A. et al. 2008. Premenstrual syndrome. Lancet. 371(9619):1200–10. https://pubmed.ncbi.nlm.nih.gov/18395582/

Eriksson, O. et al. 2006. Mood changes correlate to changes in brain serotonin precursor trapping in women with premenstrual dysphoria. Psychiatry Res. 146(2):107–16. https://pubmed.ncbi.nlm.nih.gov/16515859/

Esposito, M. et al. 2015. A Medical Food Formulation of Griffonia simplicifolia/Magnesium for Childhood Periodic Syndrome Therapy: An Open-Label Study on Motion Sickness. J Med Food. https://pubmed.ncbi.nlm.nih.gov/25590358/

Emanuele, E. et al. 2010. An open-label trial of L-5-hydroxytryptophan in subjects with romantic stress. Neuro Endocrinol Lett. 31(5):663–6. https://pubmed.ncbi.nlm.nih.gov/21178946/

Ioannou, S., Williams, A. L. 2016. Preliminary fMRI findings concerning the influence of 5HTP on food selection. Brain Behav. 7(1):e00594. https://pubmed.ncbi.nlm.nih.gov/28127513/

Welsch, P. et al. 2018. Serotonin and noradrenaline reuptake inhibitors (SNRIs) for fibromyalgia. Cochrane Database Syst Rev. 2: CD010292. https://pubmed.ncbi.nlm.nih.gov/29489029/

Almeida, O. P. et al. 2010. B-vitamins reduce the long-term risk of depression after stroke: The VITATOPS-DEP trial. Ann Neurol. 68(4):503–10. https://pubmed.ncbi.nlm.nih.gov/20976769/

Wührer, W. et al. 2015. Die Wirkung von 5-HTP aus Griffonia simplicifolia, L-Phenylalanin und B-Vitaminen auf Depression, Angst und Stress. Biogena-Studie.

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