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Additionally, beta-adrenergic stimulation further enhanced NO production and up-regulated iNOS 43,44

There are limited reproductive safety data in humans

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Vladimir Khavinson at the Saint Petersburg Institute of Bioregulation and Gerontology, who spent decades researching peptide bioregulators and their effects on aging

For example, 4-hydroxy-2-trans-nonenal (4-HNE), is a potentially toxic stable end product of lipid peroxidation, a common denominator in stress-mediated signaling and a pro-apoptotic second messenger that alters cell cycle signaling pathways in a concentration-dependent manner [20,21]

And theres all sorts of problems