One hundred twenty men between the ages of 60 and 74 with symptoms of low testosterone were randomized to receive 160 milligrams orally administered testosterone undecanoate, 2 grams propionyl-L-carnitine plus 2 grams acetyl-L-carnitine per day, or a placebo for a six month period
Melanin is the pigment that gives skin its color, and excessive production can lead to issues like dark spots, hyperpigmentation, and an uneven skin tone
One study showed that older people living in a community setting (like nursing homes or assisted living) who had higher levels of glutathione were in better health, and that lower levels of glutathione was associated with energy depletion
Getting proper sleep affects everything from physical healing to relationships to psychological well being
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It has the role of stimulating brain function and counteracting aging, which is why it is combined with carnitine and chromium