Is amphetamine the same as dextroamphetamine?

No dextro is a not as potent form. Meth will contain high levels of neuro toxins where as dexto will not because it is pharmaceutically produced.

No. Methamphetamine is differentiated by the presence of a methyl group bonded to the nitrogen, while amphetamine only contains a second hydrogen bonded there (hence the 'meth-' prefix).

close, Adderall is actually Dextroamphetamine. To be more accurate, it is a mix of 4 dextroamphetamine salts 1/4 dextroamphetamine saccharate 1/4 dextroamphetamine sulfate 1/4 (racemic...

Yes, speed which is Adderal or Vivance are all known as amphetamines.

Adderall contains dextroamphetamine, but also contains amphetamine salts, making it different than pill forms of dextroamphetamine.