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  • BDD Moderators: Keif’ Richards | negrogesic

How much Adderall/Vyvanse can someone consume without it being fatal?

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hightimes223

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Dec 8, 2011
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Specifially Vyvanse and Adderall. How many mg of each can you take in a 36 hour time period without actually you kno' 'sleepin with the fishes'

I have had friends take up to 280 mg of vyvanse at once, but they have not added adderall in the mixture.


If you suggest not to mix these two.. How much can someone take of each? (My tolerance for meds and uppers is pretty high)
 
Hi there,

I have edited your title for clarity - you are mor likely to get responses this way and it will be easier for others to search for it in the future.

Honest answer - no idea, tolerance will play a part as will individual biochemistry. I don't know the LD50 (dose which will kill 50% of people taking it) for Adderall/Vyvanse. The main issue will be strain on the heart - tachycardia (fast heart rate) meaning the heart needs more oxygen, yet vasoconstriction caused by the stimulant drugs will reduce blood supply. I suspect you will be more concerned about amphetamine psychosis before you get into fatal dose territory.

Vivanse is cleaved into dexamphetamine in the body and Adderall is a mixture of racemic amphetamine/dexamphetamine, so I don't really see the point in combining them...

Why do you want to know about the fatal dose?
 
Given his posting history, he just wants to see if like 1g would kill him... Just a postulation.
 
Do not take a gram :|

Found this - scroll down to the overdose bit and it says the Merck Manual lists the LD0 of amphetamines orally in rats as 5mg/kg, and (for those who don't want to wade through it all):

Much like the recreational dose, the overdose level is difficult to pin point because of differences between people. Deaths have been reported at levels as low as 1.3mg/kg (i.e., at a dose level equivalent to 1.3 milligrams of amphetamine per kilogram of the users bodyweight; e.g., in a 80kg human this would equate to a dose of 104mg), other reports state tolerance has been built up to 1 gram at a time and up to 5g in a day without being toxic to the user. These extremes indicate the variation of overdose levels. People who are allergic to a component of the substance ingested (recall that these 'drugs' are powdered mixtures which may have significant adulterants due to lack of any quality control in the synthesis procedure and overzealous cutting) or anaemic people have a higher risk of overdose at very low levels, while people who are frequent users may be able to withstand a much higher dose. Because of the difficulty in determining the overdose level it is important to be sensible with your consumption and to know your own limits. It is also important to be able to identify the symptoms of an overdose.
 
=D I was just throwing that figure out there, that would be terrible.

Good info though! Weird that anemic people are at a higher risk; is this with most things? (I'm boarderline)
 
Hehe. A gram would indeed be terrible!!

I suspect it is because of the way amphetamines would cause death (increasing the oxygen demand of the heart while reducing the blood supply via vasoconstriction, leading to a heart attack) - if you are anaemic, your blood has less haemoglobin therefore can carry less oxygen, further exacerbating the problem.

This is something I just came up with though, it may not be right!!
 
I can confirm that 560mg of insufflated crushed adderall (20mg caps w/orange balls inside) was consumed in about 18 hours by a 175 pound man at 22 who took for 10 years amphetamines as a child at max legal doses.. no saying what anyone else would be doing, but heart pains did last for weeks, and intermittently for months....
 
Nevermind. I just found out the dealer gave me 50 mg's of vyvanse. Atleast I Have an explanation of why it did not work to take one. I need like atleast 4 or 5 of those suckers haha!

Check out my new thread asking if I replied to the dealers screw up alright?
 
Okay. I think this thread has been answered/sorted? Shall close, shoot me a pm if you have any queries :)
 
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