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While putrescine (1,4-diaminobutane) bears two primary amine groups at both terminal carbons, spermidine (triamine) and spermine (tetraamine) contain one and two additional secondary amine moieties, respectively
GHK-Cu is a naturally occurring copper-binding tripeptide that stimulates collagen synthesis, accelerates tissue repair, modulates gene expression across hundreds of pathways, and supports skin regeneration at the cellular level
Animals do not benefit from extra B12 and will just excrete it in their urine, she explains
His Oura ring shows 45 minutes of deep sleep versus his baseline of 90 minutes
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