What Is Griffonia Simplicifolia?

TL;DR

• Griffonia simplicifolia is a woody climbing plant native to West and Central Africa
• Its seeds are the primary natural source of 5-HTP used in supplements worldwide
• The seeds contain 5–20% 5-HTP by weight — one of the highest natural concentrations of any plant
• It has a long history of traditional use in West African communities
• Quality 5-HTP supplements will list Griffonia simplicifolia as the source ingredient

Introduction

If you've looked at a 5-HTP supplement label, you've probably seen the words "Griffonia simplicifolia" — sometimes with a percentage next to it. Most people skip past it without a second thought. But understanding what this plant is, where it comes from, and why it's used tells you a lot about the quality of what you're taking.

What This Means

Griffonia simplicifolia is a leguminous shrub — related to the bean family — that grows naturally in the forests and savannas of West and Central Africa, including Ghana, Ivory Coast, and Togo. It grows as a woody climber, reaching up to three metres in height, and produces dark black seed pods.

The seeds inside those pods contain extraordinarily high concentrations of 5-HTP — the natural precursor to serotonin. This makes Griffonia simplicifolia the most important commercial plant source of 5-HTP in the world.

How It Works

The plant produces 5-HTP as part of its own amino acid metabolism. In the seeds specifically, 5-HTP accumulates at concentrations of 5–20% by dry weight — far higher than most naturally occurring compounds in plants.

When seeds are harvested and processed, 5-HTP is extracted and concentrated into a standardised form. The resulting extract is typically standardised to a specific percentage — for example, "standardised to 98% 5-HTP" means 98% of the extract content is pure 5-HTP.

Key Points

• Origin: West and Central Africa — Ghana, Ivory Coast, and Togo are primary growing regions
• Plant type: Woody climbing legume, related to the bean family
• 5-HTP content: Seeds contain 5–20% 5-HTP by weight — among the highest of any plant
• Traditional use: Used in West African traditional medicine for various purposes beyond 5-HTP extraction
• Standardisation: Look for supplements specifying the standardisation percentage — higher means more concentrated and consistent 5-HTP content

Who This Is For

• People who want to understand exactly what's in their supplement before taking it
• Those who prioritise plant-based, traceable ingredients
• Anyone comparing supplement labels and trying to decode the sourcing information

FAQs

Why is Griffonia simplicifolia used instead of synthetic 5-HTP?

Plant extraction from Griffonia simplicifolia is the industry standard for natural 5-HTP supplements. It produces a clean, plant-derived compound that aligns with natural supplement standards. See Is Plant-Based 5-HTP Better? for a comparison.

What does "standardised extract" mean on a label?

It means the extraction process has been controlled to deliver a consistent percentage of 5-HTP per dose. A supplement standardised to 98% 5-HTP contains 98g of pure 5-HTP per 100g of extract — giving you reliable, consistent dosing.

Is Griffonia simplicifolia safe?

Yes — it has a long history of traditional use and a strong safety record in supplement form. 5-HTP extracted from it is well-studied and generally well-tolerated at appropriate doses.

Can I grow Griffonia simplicifolia in New Zealand?

It's a tropical plant and unlikely to thrive in NZ's climate. It's cultivated commercially in its native West African regions.

How do I know if my supplement uses real Griffonia simplicifolia?

Check the label for "Griffonia simplicifolia" listed as the source, with a standardisation percentage. Third-party testing provides additional verification. See What Makes a High-Quality 5-HTP Supplement? for more.

Summary

Griffonia simplicifolia is a West African plant whose seeds are the world's primary natural source of supplement-grade 5-HTP. Its unusually high 5-HTP concentration makes it ideal for extraction, and quality supplements will list it as the source with a standardisation percentage. If you see it on the label, that's a good sign.

Considering 5-HTP?

Equil's 5-HTP is sourced from Griffonia simplicifolia, third-party tested, and free from unnecessary fillers. Visit our 5-HTP product page or read the Complete Guide to 5-HTP to learn more.