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2. Effect of caffeine on memory - Wikipedia

   en.wikipedia.org/wiki/Effect_of_caffeine_on_memory

   The authors conclude that larger doses may be needed to produce results that are supported by previous literature, and this is an avenue for further research. Furthermore, it is argued that consumption of caffeine generally aids cognitive performance for this age group, as long one does not exceed the recommended dose of 300 mg per day.

3. Caffeine dependence - Wikipedia

   en.wikipedia.org/wiki/Caffeine_dependence

   Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Withdrawal symptoms may include headaches, fatigue, difficulty concentrating, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, backaches, and joint pain; these can range in severity from mild to severe. [18]

4. Dexatrim - Wikipedia

   en.wikipedia.org/wiki/Dexatrim

   The caffeine content in the daily recommended dose of Dexatrim products ranges from 50–400 mg per day. [1] There are a number of studies showing that caffeine has a short-term stimulatory effect on basal metabolic rate.

5. Caffeine - Wikipedia

   en.wikipedia.org/wiki/Caffeine

   Urinary metabolites of caffeine in humans at 48 hours post-dose [184] Caffeine from coffee or other beverages is absorbed by the small intestine within 45 minutes of ingestion and distributed throughout all bodily tissues. [185] Peak blood concentration is reached within 1–2 hours. [186] It is eliminated by first-order kinetics. [187]

6. Nootropic - Wikipedia

   en.wikipedia.org/wiki/Nootropic

   In 2008, stimulants, such as caffeine, were the most commonly used nootropic agent. [15] In 2016, the American Medical Association adopted a policy to discourage prescriptions of nootropics for healthy people, on the basis that the cognitive effects appear to be highly variable among individuals, are dose-dependent, and limited or modest at ...

7. DMPX - Wikipedia

   en.wikipedia.org/wiki/DMPX

   DMPX (3,7-dimethyl-1-propargylxanthine) is a caffeine analog which displays affinity for A 2 adenosine receptors, in contrast to the A 1 subtype receptors. [1] DMPX had 28 times and 15 times higher potency than caffeine in blocking, respectively, the peripheral and central effects of the adenosine agonist NECA.

8. Caffeinism - Wikipedia

   en.wikipedia.org/wiki/Caffeinism

   [10] [11] The LD 50 of caffeine in humans is dependent on individual sensitivity, but is estimated to be 150–200 milligrams per kilogram of body mass (75–100 cups of coffee for a 70 kilogram adult). [12]

9. 5-hour Energy - Wikipedia

   en.wikipedia.org/wiki/5-hour_Energy

   A March 2011 article in Consumer Reports reported that, according to a lab test, a 2-US-fluid-ounce (59 ml) 5-Hour Energy contained 207 milligrams of caffeine, slightly more than an 8 US fl oz (240 ml) serving of Starbucks coffee which contains 180 mg of caffeine. [4] (It is not clear whether the "Original" or "Extra Strength" product was tested.)