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The carnosine vs carnitine discussion for endurance shows that traditional use combined with emerging research supports carnitine's value for sustained performance improvement
These effects are typically transient and resolve within hours to days
10.7573/dic.2025-7-7 Drugs Context
(2012) in Journal of Aging Research confirmed that GHK-Cu increased skin density and thickness, counteracting the natural decline in GHK-Cu levels (from 200 ng/ml at age 20 to 80 ng/ml at age 60) that exacerbates wrinkles (Pickart et al., 2012)
Trabecular bone volume (measured via micro-CT) increased 14% in the lumbar spine
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