Nootropics

Limitless Mindset - 'Biohacking' information

L-theanine

L-theanine and caffeine.

L-theanine appears to be both very safe and effective. It has a long history of use, an LD50 estimated to be over 1000 times larger than a standard therapeutic dose and no known contraindications with any food or drug. It may well be health-promoting. ref ref ref

The science behind the L-theanine-caffeine combination seems almost equally compelling. L-theanine seems to mitigate the negative aspects of caffeine, such as anxiety, increased blood pressure and diminished sleep quality, while improving upon the positive aspects. Its ability to enhance attention, over and above that of caffeine alone, has been repeatedly verified.

For beginners without a caffeine tolerance it's recommended to start with 50mg caffeine and 100mg of L-theanine. Once in the morning and once around noon.

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Reddit Nootropics L-theanine FAQ

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"Studies on L-Theanine/caffeine synergy have been done with 100 mg L-Theanine and 50mg caffeine; you can get 50mg caffeine from about 1 and 2/3 tbsp of instant coffee or just a tad over 1/2 cup of drip coffee, but obviously experiment to see what ratio works best." - Ultimate cup of coffee (includes coconut oil)...

nootriment - "400 milligrams of L-Theanine and 100 milligrams of caffeine is a popular dose amount. For reference, the average cup of regular coffee has about 100 milligrams of caffeine."

• a Hint = 1/2 drop
• a Drop = 1/64 tsp (1/2 smidgen)
• a Smidgen = 1/32 tsp (1/2 pinch)
• a Pinch = 1/16 tsp (1/2 dash)
• a Dash = 1/8 tsp (1/2 tad)
• a Tad = 1/4 tsp