McCord et al., 2020
The clinical effects on sleep, recovery, body composition, and skin are more measurable in adult patients

[Ref] Renal Common (1% to 10%): Kidney failure (chronic hemodialysis patients) [Ref] Endocrine Common (1% to 10%): Parathyroid disorder [Ref] Respiratory Very common (10% or more): Pharyngitis (27%), cough increase (18%), dyspnea (11%), rhinitis (11%) Common (1% to 10%): Bronchitis, sinusitis [Ref] Dermatologic Common (1% to 10%): Pruritus, rash [Ref] Ocular Common (1% to 10%): Amblyopia, eye disorder [Ref] Genitourinary Common (1% to 10%): Urinary tract infection [Ref] Cardiovascular Very common (10% or more): Hypertension (21%), hypotension (19%) Common (1% to 10%): Atrial fibrillation, arrhythmia, cardiovascular disorder, electrocardiogram abnormal, palpitations, tachycardia, vascular disorder [Ref] Hypersensitivity Common (1% to 10%): Allergic reaction [Ref] Psychiatric Common (1% to 10%): Depression, anxiety, drug dependence, insomnia [Ref] Immunologic Very common (10% or more): Infection (24%) [Ref] References 1

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
There is no functional difference between the two
99% purity, lab-verified