Mobility/Hormonal/Mood

Mucuna pruriens

Tropical legume rich in L-DOPA studied for Parkinson's motor symptoms and male fertility, with preliminary evidence for stress reduction.

Mucuna pruriens

Tropical legume rich in L-DOPA studied for Parkinson's motor symptoms and male fertility, with preliminary evidence for stress reduction.

score

evidence

Caution

risk

Overview

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Quick Take

Only clearly useful for Parkinson's disease or diagnosed infertility; healthy adults are unlikely to see meaningful benefits.

Mucuna pruriens is a tropical legume naturally high in L-DOPA, the direct precursor to dopamine. It has been used in Ayurvedic medicine and studied clinically for its effects on neurodegenerative motor symptoms and male reproductive health. Supplementation provides exogenous L-DOPA that crosses the blood-brain barrier to increase dopamine synthesis. Research supports its use for improving motor function in Parkinson's disease and enhancing semen parameters in subfertile men. It may also modestly lower psychological stress and cortisol in stressed populations. Healthy adults without these speci

Proven Benefits

Improves Parkinson's motor symptoms

Improves semen parameters

May reduce stress and improve mood

May reduce prolactin

May support testosterone

May improve libido

Protocol

Amount

250-500 mg extract (15-40% L-DOPA)

Frequency

Once daily

When

With a meal to reduce nausea; avoid taking with high-protein foods around the same time.

Onset Time

1-4 weeks for fertility markers; acute motor effects within 1-2 hours

Who Should Consider

People with Parkinson's disease under medical supervision

Men with diagnosed infertility or low sperm count

Individuals with chronically elevated prolactin

People with persistently high psychological stress

How It Works

The seeds contain 4-7% L-DOPA (levodopa), which is decarboxylated to dopamine in the brain and periphery. This replenishes striatal dopamine depleted in Parkinson's disease and suppresses prolactin secretion via dopaminergic signaling. Additional bioactive compounds like alkaloids and antioxidants may contribute to reduced oxidative stress in reproductive tissue.

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