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Sexual dimorphism in glutathione metabolism and glutathione-dependent responses
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Binding affinity of L-tyrosine vs
The peptide's effects on multiple hormonal systems appear interconnected through its central nervous system actions on hypothalamic regulatory centers
164 In a randomized crossover trial in 50 subjects with male infertility, one month of treatment with a supplement containing pine bark extract plus L-arginine (an amino acid precursor to nitric oxide which regulates blood vessel function) increased semen volume, sperm number and concentration, motility, and vitality, and improved sperm morphology compared with placebo
