Evidence supporting the use of: D-Aspartic Acid
For the body system: Male Reproductive System

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

D-Aspartic Acid (DAA) is an amino acid that has been investigated for its potential effects on the male reproductive system, primarily regarding testosterone production and fertility. Scientific interest in DAA arose from early studies suggesting it may play a role in the synthesis and release of hormones such as luteinizing hormone (LH) and testosterone. Several small-scale clinical trials have explored DAA supplementation in men. Some studies, such as a 2009 study by Topo et al. (Reproductive Biology and Endocrinology), found that DAA supplementation (3g/day for 12 days) led to modest increases in testosterone levels in healthy men and those with low sperm count. However, subsequent research, including randomized controlled trials in healthy, resistance-trained men, have generally failed to replicate significant increases in testosterone, with some studies showing no effect or even a decrease after longer supplementation periods.

Currently, the evidence supporting DAA's effectiveness for boosting testosterone or improving fertility in healthy men is inconsistent and limited. Some effects may be seen in men with subfertility or low baseline testosterone, but these findings are not robust. There is no strong traditional use of DAA for male reproductive health; its use is based on relatively recent scientific inquiry. Thus, while DAA is sometimes used in supplements marketed for male reproductive support, its efficacy is not well established, and more high-quality research is needed.

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Other ingredients that support Male Reproductive System

amino acids
ashwagandha
aspartic acid
beta-sitosterol
sesame
boron
broccoli
caterpillar mushroom
cordyceps
cowage seed
d-alpha tocopherol
damiana
DHEA (dehydroepiandrosterone)
DIM (diindolylmethane)
fenugreek
folate
ginseng
gokhru
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L-citrulline
lycopene
maca
magnesium
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Muira puama
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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
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lingzhi
cistanche
dodder
royal jelly
equol (proprietary)
trace minerals
barrenwort
wheat germ
herbal blend (proprietary)
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antler
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avocado
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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
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garden cress
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horny goat weed
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icariin
Jatropha macrantha
Kigelia africana
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Leptadenia
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lipids
macamides
maral root
Massularia acuminata
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macaenes
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Nymphaea caerulea
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Protodioscin
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Rehmannia
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Selenocysteine
Selenomethionine
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Semecarpus anacardium
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Products containing D-Aspartic Acid

We currently have no products on Caring Sunshine that contain this ingredient.