Evidence supporting the use of: Vitamin E (tocotrienol unspecified)
For the body system: Male Reproductive System
Synopsis
Source of validity: Scientific
Rating (out of 5): 3
Vitamin E, particularly in the form of tocotrienols (although most studies focus on tocopherols), has been investigated for its role in supporting male reproductive health. Vitamin E is a potent lipid-soluble antioxidant, and oxidative stress is known to impair sperm function, motility, and overall fertility in males. Several animal studies and some human clinical trials have indicated that Vitamin E supplementation can improve sperm quality and motility, likely by reducing oxidative damage to spermatozoa and reproductive tissues. For example, a 2016 meta-analysis (Fertility and Sterility, 2016) found that antioxidant supplementation, including Vitamin E, improved sperm parameters in infertile men.
Tocotrienols, a less common form of Vitamin E compared to tocopherols, have also demonstrated antioxidant properties in preclinical studies, though direct evidence in male reproductive health is more limited. Some animal studies suggest that tocotrienols may enhance testicular antioxidant defenses and improve sperm parameters, but robust human data are lacking.
Overall, while there is scientific rationale and some clinical evidence (mainly for tocopherols, with less data for tocotrienols specifically), the support for Vitamin E in improving male reproductive health is rated as moderate (3/5). More high-quality, targeted research is needed, especially on tocotrienols, to substantiate these effects in human populations.
More about Vitamin E (tocotrienol unspecified)
More about Male Reproductive System
Other ingredients that support Male Reproductive System
amino acidsashwagandha
aspartic acid
beta-sitosterol
sesame
boron
broccoli
caterpillar mushroom
cordyceps
cowage seed
d-alpha tocopherol
damiana
DHEA (dehydroepiandrosterone)
DIM (diindolylmethane)
fenugreek
folate
ginseng
gokhru
L-arginine
L-citrulline
lycopene
maca
magnesium
Melatonin
Muira puama
Nettle
parsley
pomegranate
protein
pumpkin
pygeum
rehmannia glutinosa
saffron
saw palmetto
selenium
black ginger
Tongkat ali
tribulus
velvet bean
vitamin B
vitamin D
vitamin E
Zinc
suma
anise
smilax
Caesalpinia crista
lingzhi
cistanche
dodder
royal jelly
equol (proprietary)
trace minerals
barrenwort
wheat germ
herbal blend (proprietary)
Yohimbe
antler
Angelica
Alchornea
avocado
Abuta
Allium tuberosum
anti-aromatase
animal protein
black seed
Butea monosperma
black galingale
Beef liver
Bulbine natalensis
Brazil nut
ba ji tian
Butea superba
bee products
Borassus aethiopum
Curculigo orchioides
Chinese mountain ant
Cucurbita
Cnidium
Clerodendrum phlomidis
Cynomorium
Chinese fleeceflower
Chinese pond turtle
Chlorophytum
cruciferous
Cyanotis vaga
catuaba
Crinum latifolium
Cyanotis arachnoides
DHEA
D-Aspartic Acid
deer velvet
date
eurycomanone
egg
Euryale seed
elk antler
Eurycoma Longifolia
folic acid
fo-ti
furostanols
fish
fatty acids
Fadogia agrestis
Ginsenosides
garden cress
Hygrophila
horny goat weed
Indian sarsparilla
icariin
Jatropha macrantha
Kigelia africana
Kokilaksha
Leptadenia
Loranthus
lipids
macamides
maral root
Massularia acuminata
Montanoa tomentosa
macaenes
Nigella seed
Nymphaea caerulea
Orchis latifolia
Osthole
Protodioscin
Pedalium
Rehmannia
Rhaponticum
Selenocysteine
Selenomethionine
Safed musli
Semecarpus anacardium
Shataverins
Shilajit
Trichilia catigua
Tribuloside
Tiger Nut
Tribulus Terrestris
Withanolides
Walnut
Yohimbine
Other body systems supported by Vitamin E (tocotrienol unspecified)
ArteriesBlood
Brain
Capillaries
Circulatory System
Heart
Immune System
Male Reproductive System
Mitochondria
Nerves
Reproductive System
Skin
Testes