Supplement Scholar
Hormones & Endocrine

Testosterone Support

Compounds studied for endogenous T support.

17 profiles, most-studied first
C20H24O9

Tongkat Ali

Malaysian root extract that frees bound testosterone via SHBG reduction.

Herb12 studies
C27H44O

Vitamin D3

Steroid hormone precursor regulating ~5% of the human genome — bone, immune, and hormonal health.

Vitamin12 studies
C28H38O6

Ashwagandha

Adaptogenic herb that down-regulates HPA-axis output — lowers cortisol, supports T in stressed men.

Herb11 studies
C27H42O3

Fenugreek

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

Herb10 studies
Zn

Zinc

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

Mineral10 studies
B

Boron

Trace mineral implicated in steroid hormone metabolism and bone integrity.

Mineral9 studies
C35H46O20

Cistanche Tubulosa

Desert plant tonic for libido and cognition.

Herb9 studies
C19H28O2

DHEA

Adrenal androgen precursor declining with age; used for adrenal insufficiency and aging.

Compound9 studies
C9H11NO4

Mucuna Pruriens

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

Herb9 studies

Shilajit

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

Compound9 studies
C51H84O22

Tribulus Terrestris

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

Herb9 studies

Fadogia Agrestis

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

Herb8 studies
C33H40O15

Horny Goat Weed

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

Herb8 studies
C33H40O15

Icariin (Horny Goat Weed)

Active flavonoid from Epimedium acting as PDE5 inhibitor.

Compound8 studies
C28H48O6

Pine Pollen

Phyto-androgen pollen containing trace testosterone and DHEA.

Herb8 studies

Tongkat Ali (LJ100)

See main Tongkat Ali entry — kept here as placeholder, removed.

Herb8 studies
Zn

Zinc (Sperm Health)

Concentrated in semen — essential for sperm production and testosterone.

Mineral8 studies