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Open questions What is the contribution of tissue-specific expression and co-expression patterns versus isoform-specific upstream regulation and downstream signaling to non-overlapping functionalities of the FOXO isoforms

Men with significant liver impairment should use caution because copper is metabolized hepatically

Peptides are short chains of amino acids that act as targeted messengers in the bodyimproving sleep, metabolism, immunity, cellular repair, fat loss, and even collagen production

The number of animals was limited, and the experiments came from a small group of collaborating investigators

Other contraindications and caution flags include Wilsons disease or another copper-handling disorder, pregnancy, recent surgery, and WADA-tested competition