Pyrroloquinoline Quinone (PQQ): Has potent antioxidant effects that reduce oxidative stress and support healthy aging
Am J Med Genet A 146:803812 Arnold LE, Amato A, Bozzolo H, Hollway J, Cook A, Ramadan Y, Crowl L, Zhang D, Thompson S, Testa G, Kliewer V, Wigal T, McBurnett K, Manos M (2007) Acetyl-L-carnitine (ALC) in attention-deficit/hyperactivity disorder: a multi-site, placebo-controlled pilot trial
Alizadeh (2014) compared oral pentoxifylline to intralesional verapamil and combined treatment
As the levels of human growth hormone increase, the result is thicker and shinier hair, clearer and smoother skin, fewer wrinkles, and stronger and healthier fingernails
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Br Med J 282:258, 1981