Has anyone here ever gone off the supplements and experienced some disastrous effects?

only negative effects i have really had is going off stims and getting used to not having them..

whey-normally gold standardhydro whey- iso 100leucine- allmaxcaffeine tabs- allmaxmct-coconut oilcreatine -gnc mono, or muscletech hclgnc multivitamin pack- veggie enhanced vitamins, extra calcium, flax seed, digestive enzymes fish oil- gncsome extra b vitaminsalso usp labs powerful the night time gh supporting agent healthy sleep thing (i got it free)and i just got off of p6 extreme test booster (also free)occasionally ill take some melatonin and/or valerian root for some good sleepand sugar free pre workouts when im tired (neuro core- gnc rampant jack3d micro, anything sugar free really)