Guarana Seed Extract

A natural source of caffeine for sustained energy and mental focus.

Also known as: Paullinia cupana

other Names
Paullinia cupana
primary Benefits
Increased energy, enhanced mental focus, improved athletic performance
common Dose
200-400 mg daily
best Form
Standardized extract
timing
In the morning or before a workout
safety Rating
Generally safe, but high doses can cause caffeine-related side effects

Overview

Guarana Seed Extract is derived from the seeds of the Paullinia cupana plant, native to the Amazon basin. It is a popular ingredient in energy drinks and supplements due to its high caffeine content, which is released more slowly than the caffeine in coffee, providing a more sustained energy boost.

Key Benefits

Provides Sustained Energy

The caffeine in guarana is released slowly, providing a longer-lasting energy boost without the jitters often associated with coffee.

Enhances Cognitive Function

Studies show that guarana can improve memory, alertness, and mood.

Supports Weight Management

Guarana's caffeine content can boost metabolism and increase fat burning.

Dosage & How to Take

Dosage of Guarana Seed Extract should be based on its caffeine content. A typical dose provides 40-100 mg of caffeine.

PurposeDoseNotes
Energy and Focus200-400 mg of extract (providing 40-80 mg of caffeine)Start with a lower dose to assess tolerance.
Athletic Performance400-800 mg of extract (providing 80-160 mg of caffeine)Take 30-60 minutes before exercise.

Best Time to Take

Best taken in the morning or early afternoon to avoid sleep disturbances.

With or Without Food

Can be taken with or without food.

Forms & Bioavailability

FormAbsorptionBest ForNotes
Standardized ExtractHighConsistent caffeine contentLook for extracts standardized to 22% caffeine.
PowderMediumFlexible dosingCan be mixed into drinks.

Side Effects & Safety

Common

  • Insomnia, nervousness, stomach irritation, increased heart rate (at high doses)

Rare

  • Anxiety, tremors, headaches

Contraindications

  • Individuals with heart conditions, high blood pressure, or anxiety disorders should use with caution.

Interactions

Other stimulants (e.g., caffeine, ephedrine)Important

Can increase the risk of side effects like high blood pressure and rapid heart rate.

Blood thinners (e.g., warfarin)Moderate

Guarana may slow blood clotting and increase the risk of bleeding.

Scientific Research

2007Journal of Psychopharmacology

Cognitive and mood-enhancing effects of a high-potency guarana extract

Guarana extract improved memory performance and increased alertness and contentment.

2021Nutrients

Effects of guarana on mental performance: a review

This review highlights the potential of guarana to improve cognitive performance and reduce mental fatigue.

Food Sources

Energy drinks, herbal teas

Products With Guarana Seed Extract

1 product in our database contains this ingredient

Frequently Asked Questions

Medical Disclaimer

This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.