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Erectile Function

Endothelial and NO support for ED.

Ranked by evidence strength across reported benefits.

Herb#1· strong

Tribulus Terrestris

Traditionally used for libido; testosterone-boosting claims not supported by trials.

Herb#2· strong

Tribulus Terrestris

Saponin-rich herb that improves libido (not testosterone) in human trials.

Herb#3· strong

Mucuna Pruriens (Velvet Bean)

Natural L-DOPA source studied for Parkinson's, libido, and fertility.

Herb#4· strong

Tribulus terrestris (Libido)

Steroidal saponin herb claimed for libido and sexual function.

Herb#5· moderate

Tongkat Ali

Malaysian root extract that frees bound testosterone via SHBG reduction.

Mineral#6· moderate

Zinc

Cofactor for ~300 enzymes — critical for testosterone, immune function, and DNA synthesis.

Herb#7· moderate

Maca

Andean root associated with libido improvement and energy without hormone changes.

Herb#8· moderate

Fenugreek

Spice/herb traditionally for libido & glycemic control; modest free-T effects.

Amino Acid#9· moderate

L-Arginine

Conditionally essential amino acid and direct nitric oxide precursor.

Herb#10· moderate

Panax Ginseng

Adaptogenic ginseng studied for fatigue, cognition, and erectile function.

Herb#11· moderate

Mucuna Pruriens

Natural L-DOPA source studied for mood, libido, and Parkinson's.

Herb#12· moderate

Pomegranate

Polyphenol-rich fruit converted by gut microbes to urolithin A (mitochondrial benefit).

Herb#13· moderate

Tongkat Ali (Eurycoma longifolia)

Malaysian root with moderate human evidence for raising free testosterone and reducing SHBG.

Compound#14· moderate

Yohimbine

Alpha-2 antagonist — improves erection and fat loss in fasted state but cardiovascular caution.

Amino Acid#15· moderate

L-Citrulline

Arginine precursor with superior bioavailability for NO and pump-driven performance.

Compound#16· moderate

Shilajit

Himalayan mineral exudate rich in fulvic acid, studied for testosterone and fatigue.

Herb#17· moderate

Yohimbine

Alpha-2 adrenergic antagonist used for fat loss and ED; significant cardiovascular risks.

Compound#18· moderate

DIM (Diindolylmethane)

Cruciferous-derived compound modulating estrogen metabolism toward 2-OH pathway.

Herb#19· moderate

Saw Palmetto

5α-reductase-inhibiting berry extract — used for BPH and androgenic hair loss.

Compound#20· moderate

DIM (Diindolylmethane)

Cruciferous-vegetable metabolite that shifts estrogen metabolism toward 2-OH (protective) pathways.

Herb#21· moderate

Maca (Lepidium meyenii)

Andean root traditionally used for libido and fertility — non-hormonal mechanism.

Amino Acid#22· moderate

L-Citrulline (NO Production)

Arginine precursor — most efficient way to raise plasma arginine and NO.

Mushroom#23· moderate

Cordyceps

Medicinal fungus studied for aerobic capacity and immune modulation.

Herb#24· moderate

Saw Palmetto

Lipidosterolic extract used for BPH urinary symptoms.

Herb#25· moderate

Pygeum

African plum bark used for BPH urinary symptoms.

Herb#26· moderate

Stinging Nettle Root

Herbal for BPH and SHBG modulation, often paired with saw palmetto.

Herb#27· moderate

Panax Ginseng (Sexual Health)

Korean red ginseng with RCT-level evidence for erectile dysfunction.

Mineral#28· moderate

Zinc (Sperm Health)

Concentrated in semen — essential for sperm production and testosterone.

Herb#29· moderate

Tongkat Ali (Physta)

Water-extracted standardized tongkat ali for testosterone and stress.

Compound#30· moderate

Icariin (Horny Goat Weed)

Active flavonoid from Epimedium acting as PDE5 inhibitor.

Compound#31· moderate

Lycopene

Tomato carotenoid linked with prostate and cardiovascular protection.

Mineral#32· moderate

Boron (Extra)

Trace mineral that modulates steroid hormones and bone.

Herb#33· moderate

Tongkat Ali (Fertility)

Standardized eurycomanone extract for sperm quality.

Herb#34· moderate

Mucuna Pruriens

Velvet bean providing natural L-DOPA.

Herb#35· moderate

Nettle Root

Urtica dioica for BPH.

Compound#36· moderate

Beta-Sitosterol

Plant sterol for BPH and cholesterol.

Herb#37· moderate

Black Maca

Lepidium meyenii black variant for energy.

Herb#38· moderate

Red Maca

Lepidium meyenii red variant for prostate.

Compound#39· moderate

Pomegranate Extract

Punica granatum ellagitannins.

Herb#40· moderate

Tongkat Ali Eurycomanone-Standardized

LJ100 standardized to 22% eurypeptides.

Herb#41· moderate

Stinging Nettle Root

Urtica dioica root for free testosterone.

Mineral#42· moderate

Boron Citrate

Boron for hormone modulation.

Mineral#43· moderate

Zinc Monomethionine (ZMA)

Zinc + magnesium + B6 for recovery.

Compound#44· limited

Pumpkin Seed Oil

Cold-pressed seed oil studied for hair density and prostate health.

Mineral#45· limited

Boron

Trace mineral with modest effects on free testosterone and bone mineralization.

Herb#46· limited

Shatavari

Ayurvedic adaptogen used for female hormone balance and lactation support.

Herb#47· limited

Cistanche Tubulosa

Desert plant tonic for libido and cognition.

Herb#48· limited

Fadogia Agrestis

Nigerian shrub — popularized for testosterone support; sparse human data.

Herb#49· limited

Horny Goat Weed

PDE5-inhibiting flavonoid (icariin) used for libido and erectile support.

Herb#50· limited

Horny Goat Weed (Epimedium)

Icariin-rich herb with PDE5-inhibitor-like activity for erectile function.

Mineral#51· limited

Zinc Picolinate

Zinc chelated to picolinic acid — one of the most bioavailable oral forms.

Herb#52· limited

Pine Pollen

Phyto-androgen pollen containing trace testosterone and DHEA.

Herb#53· limited

Muira Puama

Brazilian "potency wood" used historically for libido.

Herb#54· limited

Topical Saw Palmetto

Topical lotion form for androgenetic alopecia.

Herb#55· limited

Fadogia Agrestis

African shrub touted for testosterone (rodent data only).

Herb#56· anecdotal

Fadogia Agrestis

African shrub popularized for testosterone; limited human data and toxicology concerns.