Vitamin C Powder 2500 mg., L-Lysine powder 2500 mg, L-Proline powder 500 mg. L-Arginine powder 2500 mg, L-Citruline powder 500 mg and Pycnogenol powder 75 mg has been recomended for ED therepy for man taking Eliquis, Dilantin, Phenobarbital, Clonazepam, Atroavastatin, Bystolic, Foltix , Furosemide and he wonders if there could be an adverse reaction?