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With high doses every day you can develop an insane tolerance to amphetamines. 500mg in a day wouldn’t be that unusual.

Even at low, prescribed, dosages, I find myself needing to take a day or two off each week to avoid building a tolerance.

I'm not sure if others experience the same thing, but I can absolutely feel the effects slipping away, even after just 10 days of continuous use.

For what its worth I've had good luck switching to Modafinil (And extra caffeine) on the weekends, to keep my tolerance down. I also like to take ~4+ day breaks every ~3 months or so, which helps a ton.

Same here, but found out that chelated magnesium puts a stop to this.

I think that's a great practice and not uncommon.

I know it affects everyone differently, but I was prescribed Adderall for ADHD and at 30mg my heartrate was elevated by 25bpm, I didn't feel tired for ~28 hours and I was unable to drive because my brain would get convinced that I was standing still and the road was moving towards me.

I didn't take it a second time, and am now on Focalin.

You should have started with just 5mg. 30mg is a lot for an initial dosage.

Great that an alternative seems to be working for you though.

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