BOTANICAL IDENTITY
The right name is the first step.
Also known as: Paullinia cupana var. sorbilis
Check the scientific name and the part used; a photograph is not sufficient for foraging plants intended for consumption.
An illustration is not enough to identify a plant for consumption. Do not forage for a species based solely on this profile.
01 · UNDERSTAND
Properties & uses.
Temporary fatigue
Traditional use of the powder; contains caffeine, with no promise of a lasting increase in energy.
Read the sourceThe traditional uses described are not clinical proof of effectiveness. Evidence for one preparation cannot automatically be applied to another.
02 · UNDERSTAND THE ACTION
How does the plant act?
Guarana is documented through the seed, particularly in powder form. Its traditional use concerns fatigue and a feeling of weakness. The presence of caffeine is essential to understanding both its effects and its precautions; it does not prove treatment of the cause of fatigue or a lasting improvement in performance. Energy drinks and supplement mixtures are not automatically comparable to the herbal preparation assessed.
Constituents to know.
Their presence and quantity depend on the plant part and preparation.
- Caffeine
- The seed supplies caffeine. Other intake from coffee, tea, energy drinks or medicines must be taken into account to understand total exposure.Read the reference
Fatigue and weakness
European recognition is based on traditional symptomatic use. It does not mean demonstrated efficacy for prolonged exhaustion or an underlying disease.
Read the referenceStimulant adverse effects
Caffeine may contribute to palpitations. This possibility is part of the precautions for people with certain cardiovascular disorders.
Read the referenceWhat this means for preparation.
Read a product's full composition: combining several sources of caffeine may change its tolerability. Its “plant” form does not make this intake invisible or negligible.
03 · EXAMINE THE EVIDENCE
What the research shows.
A laboratory or animal result alone does not demonstrate a benefit in humans. Each result must be read alongside the preparation studied and its limitations.
Safety monitoring complements trials
- Type of research
- Periodic EMA review including adverse effect reports.
- Preparation concerned
- Products containing guarana; their composition and other exposures may vary.
- Observed results
- The addendum notes six reports of palpitations, considered possibly related to caffeine and consistent with known precautions.
- Limitations to consider
- Spontaneous reports do not individually prove causality and do not indicate the frequency of the risk in the population.
What can we take from this?
The alertness signal does not justify prescribing a stimulant for unexplained fatigue. No additional mechanism or benefit is attributed to an extract without data specific to its formulation.
Documentary review dated 09/10/2026. The references remain available to check the context.
04 · CHOOSE A PREPARATION
One plant, several preparations.
Only forms documented in this profile’s sources are presented.
Powder in a solid preparationSeeds · Route: oral
Dried and powdered seeds.
Please note: Add up caffeine from drinks, medicines and supplements.
Read the source05 · BEFORE ANY USE
Precautions & contraindications.
This guidance does not cover every individual situation. Missing information is not a guarantee of safety.
Contraindications
- Avoid in cases of ulcers, hypertension, arrhythmia or hyperthyroidism.
Medicine interactions
- May reduce the effect of sedatives and increase the effects of sympathomimetics.
Adverse effects
- Nervousness, insomnia, increased heart rate or digestive problems are possible.
Pregnancy & breastfeeding
Avoid during pregnancy and breastfeeding: caffeine and insufficient evidence.
Children & adolescents
For adults only in this leaflet; insufficient pediatric data.
If symptoms persist, worsen or are unusual, consult a healthcare professional. In an emergency, contact the emergency services.
06 · PUTTING KNOWLEDGE INTO PRACTICE
Preparations & recipes.
No home recipe is provided in this profile. For an appropriate preparation, refer to the product leaflet and ask your pharmacist for advice.
07 · CHECK THE SOURCES
Sources for this profile.
- EMA — Paulliniae semen: assessment and documentsAccessed on 09/10/2026
- ANSES — summary of precautions for food supplements (June 2023)Accessed on 09/10/2026
- EMA — addendum to the assessment report on Paullinia cupana, seedsAccessed on 09/10/2026
A TOUCH OF SOLÉA
Myriam’s tip
Myriam is reviewing the tip for this profile.
Myriam
