[1] The authors reported that methylquinolinium analogs with primary-amine substitutions displayed high permeability from passive and active transport across membranes, measured using two standard in-vitro models: the parallel artificial membrane permeability assay (PAMPA) and Caco-2 human intestinal cell monolayers
But especially for someone whos a masters athlete, if you get a lot of injuries while training, if it helps you treat those injuries and be able to train harder, or continue training without a dip, then its performance enhancing. Even if youre not injured, he says, I think it increases performance by improving recovery. Is It Dangerous
Treatment duration varies by individual
Injections of B6 may also be given to patients with impaired gastrointestinal absorption
Monitoring Progress Effectively: Rather than relying solely on scale weight, which can be misleading due to muscle preservation and fluid fluctuations, comprehensive progress tracking should include body composition analysis (DEXA scan, bioelectrical impedance, or skinfold measurements), circumference measurements (waist, hips, thighs, arms), progress photos taken in consistent lighting and positioning, and subjective measures like energy levels, appetite patterns, and how clothing fits