What pre workout got banned?
Jack3d quickly gained notoriety for its potency, but its high concentrations of DMAA were suspected of causing shortness of breath, chest pain, and an elevated risk of heart attacks. Jack3d was banned in 2012 by the FDA.
Why is C4 banned?
C4 is banned in many sports because of an ingredient that C4 contains, synephrine, which may give athletes an edge over their opponent (Corpus Compendium, 2013).
Is C4 a strong pre-workout?
4 – C4 Ultimate
This is by far the strongest pre-workout supplement for each one of the ingredients. It doesn’t just provide creatine nitrate and beta-alanine, but also has a large dose of L-citrulline . This is known to boost levels of arginine alpha-ketoglutarate (AKG), which in turn increases nitric oxide.
Is C4 still banned?
C4 is banned in many sports due to a synephrine ingredient containing C4, which can give athletes an edge over their opponents (Corpus Compendium, 2013).