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Dr. Bob is Robert Hsiung, MD,
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Posted by linkadge on September 21, 2004, at 19:23:47
Melatonin is an antioxidant. Does it protect against oxidation during the daytime, or just the night.
Linkadge
Posted by raybakes on September 24, 2004, at 17:36:50
In reply to melatonin question, posted by linkadge on September 21, 2004, at 19:23:47
Looked up a few things about melatonin but a lot of the articles aren't that clear!
Seems melatonin is a powerful antioxidant in it's own right, but also is thought to stimulate the gene expression of other antioxidants - so although melatonin levels drop very low in the day, I wonder if it's possible that the other anti-oxidant enzymes remain high?
Also seems that by regulating the sleep/wake cycle, it also boosts the immune system - some artcles referred to it regulating cortisol. Another article cautioned against taking melatonin during the day, because of the disruption to the sleep/wake cycle, and it's effect on the immune system.
Have you managed to find any info yourself?
Ray
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