PlainPill

Fenugreek vs L-Citrulline for libido

Short answer: For libido, users rate them about the same: 100% report improvement with Fenugreek (19 reports) and 98% with L-Citrulline (48 reports).

Fenugreek has 33 meta-analyses and 45 randomized trials on PubMed; L-Citrulline has 14 and 101.

Based on 132 reports about Fenugreek and 231 about L-Citrulline. Not medical advice.

Fenugreek
Supplement
L-Citrulline
Supplement
Users say it helped63%helped42 reports · medium confidence77%helped99 reports · medium confidence
Verdict
Mostly positive
Mostly positive
ResearchAResearch: StrongAResearch: Strong
Meta-analyses / RCTs33 / 4514 / 101
Mainly used for
Libido
% reporting improvement
100% (19)98% (48)
Performance
% reporting improvement
—98% (45)
Heart & lipids
% reporting improvement
—95% (22)
Hormones
% reporting improvement
78% (18)50% (2)
Energy
% reporting improvement
100% (5)100% (11)
Common side effectsmaple syrup, insomnia, 5-ar inhibition, body odorcold sore, dizziness, headache, increased urination
Typical dose reported500 mg / before bed8 g / 3x/week
Fenugreek
Latest review conclusion

3) Food matrix effects: the addition of dietary fats and fibre increased bioavailability by ∼2-fold. This review summarises key factors that enhance quercetin bioavailability, contributing to the development of more effective and practical quercetin supplements or functional foods for better bioactivity of quercetin in humans.

Food Chem, 2025 ↗
What a user said
“The walmart stack is Zinc + Fenugreek. I think it works pretty well.”
Full Fenugreek profile →
L-Citrulline
Latest review conclusion

Foods rich in polyphenols and nitrate provide trivial benefits for endurance exercise performance, although these effects may be food dependent. Highly trained endurance athletes do not appear to benefit from consuming nitrate-rich foods but may benefit from polyphenol consumption. Further research into food sources, dosage and supplementation duration to optimise the ergogenic response to polyphenol consumption is warranted. Further studies should evaluate whether differential sex-based responses to nitrate and polyphenol consumption are attributable to physiological differences or sample siz

J Int Soc Sports Nutr, 2021 ↗
What a user said
“Something I found that makes my meds work way better is Citrulline 2g + Arginine 2g twice daily.”
Full L-Citrulline profile →

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Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate