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Side effects of caffeine

The minimum lethal dose of caffeine ever reported is 3,200 mg, administered intravenously. The LD50 of caffeine is estimated between 13 and 19 grams for oral administration for an average adult. The LD50 of caffeine is dependent on weight and individual sensitivity and estimated to be about 150 to 200 mg per kg of body mass, roughly 140 to 180 cups of coffee for an average adult taken within a limited timeframe that is dependent on half-life. The half-life, or time it takes for the amount of caffeine in the blood to decrease by 50%, ranges from 3.5 to 10 hours. In adults the half-life is generally around 5 hours. However, contraceptive pills increase this to around 12 hours, and, for women over 3 months pregnant, it varies from 10 to 18 hours. In infants and young children, the half-life may be longer than in adults. With common coffee and a very rare half-life of 100 hours, it would require 3 cups of coffee every hour for 100 hours just to reach LD50. Though achieving lethal dose with coffee would be exceptionally difficult, there have been many reported deaths from intentional overdosing on caffeine pills.

Forfatter:	PaZooZoo [ 12 jul 2006 03:00 ]
Titel:	Hvor stor indtagelse af koffein?
lige lavet en "drink" med 1 litter enagi drik og nogle isterninger... alt i alt 3.2Gram koffein, men hvormeget skal man drikke for at det sparker i gennem? har givet 100,- for 48 dåser (ca 40g ren koffein) kan det gøres billiger?

Forfatter:	Has Oak [ 12 jul 2006 03:21 ]
Titel:
Koffein forgiftning er meget ubehageligt! 3,2 gram er helt sikkert i overkanten. Koffein har ikke lammepotentiale. Citat: Side effects of caffeine The minimum lethal dose of caffeine ever reported is 3,200 mg, administered intravenously. The LD50 of caffeine is estimated between 13 and 19 grams for oral administration for an average adult. The LD50 of caffeine is dependent on weight and individual sensitivity and estimated to be about 150 to 200 mg per kg of body mass, roughly 140 to 180 cups of coffee for an average adult taken within a limited timeframe that is dependent on half-life. The half-life, or time it takes for the amount of caffeine in the blood to decrease by 50%, ranges from 3.5 to 10 hours. In adults the half-life is generally around 5 hours. However, contraceptive pills increase this to around 12 hours, and, for women over 3 months pregnant, it varies from 10 to 18 hours. In infants and young children, the half-life may be longer than in adults. With common coffee and a very rare half-life of 100 hours, it would require 3 cups of coffee every hour for 100 hours just to reach LD50. Though achieving lethal dose with coffee would be exceptionally difficult, there have been many reported deaths from intentional overdosing on caffeine pills. http://en.wikipedia.org/wiki/Caffeine

Forfatter:	PaZooZoo [ 12 jul 2006 06:08 ]
Titel:
ved godt der ikke er lammepotentiale, men vil også kun opnå max udnyttelse af koffein til at holde sig vågen på, det højeste jeg har været oppe på var ca 15g gennem enagi drik (og ja man får det meget dårligt af så meget)

Forfatter:	eelmand [ 12 jul 2006 20:41 ]
Titel:
Ahhhhh!!? 15 gram? Det er vel næppe rent koffein vi snakker her!?

Forfatter:	drkrogshoej [ 12 jul 2006 20:44 ]
Titel:
man siger faktisk så lavt som ca. 250 mg per dosis en 2-3 gange i løbet af dagen er det optimale.

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Hvor stor indtagelse af koffein? https://psychedelia.dk/forum/viewtopic.php?f=85&t=14676	Side 1 af 1

Forfatter:	Optimus Crime [ 12 jul 2006 21:16 ]
Titel:
hyene skrev: man siger faktisk så lavt som ca. 250 mg per dosis en 2-3 gange i løbet af dagen er det optimale. Yea jeg har ihvertfald gode erfaringer med 200mg, 3-4 gange på en dag.

Forfatter:	asdasdasd [ 13 jul 2006 17:20 ]
Titel:
200mg er jo ca en kop kaffe right? Jeg har den erfaring at for meget kaffe på en gang kan have en negativ effekt senere på dagen, hvor man bliver træt, uoplagt og irriteret. Små doser over hele dagen er nok bedre.

Forfatter:	Optimus Crime [ 14 jul 2006 02:03 ]
Titel:
HardcoreWizard skrev: 200mg er jo ca en kop kaffe right? Jeg har den erfaring at for meget kaffe på en gang kan have en negativ effekt senere på dagen, hvor man bliver træt, uoplagt og irriteret. Små doser over hele dagen er nok bedre. 200mg er et par kopper kaffe. Citat: 8-ounce Beverage milligrams Coffee, Drip 115-175 Coffee, Brewed 80-135 Coffee, Espresso (2 ounces) 100 Coffee, Instant 65-100 8 ounce er præcis 226.796185 gram.

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