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age-related plasma decline (roughly 200 ng/mL at age 20 to about 80 ng/mL by 60): Pickart L, Margolina A
If you're transitioning from GHK-Cu research, consider starting with conservative AHK-Cu doses and meticulously observe the responses
do not expect visible read-outs yet
Human oral bioavailability is unknown, so the animal result cannot prove how much a person would absorb or support a route conversion
Many researchers report this combination outperforms either method alone
Why Vitamin B12 Matters Among the most important nutrients, vitamin B12 is crucial to health
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