Abdominal injection may provide more systemic distribution while still supporting Achilles healing
Early adopters like CON-CRT (whose founder Mark Faulkner co-founded Aegis Sciences Corporation, one of the industry's pioneering anti-doping labs), RedLeaf Biologics with ReDaxin (the first and only clinically studied patented red sorghum leaf extract made in the USA that's also the first to utilize TruShield certification), and Vireo (who certified their innovative Amino Activ topical product) recognized this value and chose testing that matches the rigor of elite athletic competition
This results in immune cells congregating in the thyroid gland, and eventually losing their ability to differentiate the thyroid gland from a foreign invader (like a virus or bacteria)
Furthermore, a 2-year, double-blind, randomized, placebo-controlled therapeutic trial in 158 healthy siblings of hyperhomocysteinemic patients with premature atherothrombotic disease folic acid plus vitamin B 6 treatment was associated with a decreased occurrence of abnormal exercise electrocardiography tests, which is consistent with a decreased risk of atherosclerotic events (Vermeulen et al, 2000)