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Comment by andy_ppp | Hacker News Reader

I love caffeine and coffee! I used to drink two to three cups per day but for the last 6 months I’ve been feeling rather unwell when taking it; I start getting sweaty hands, shakes, heart palpitations, and start feeling sick and anxious shortly afterwards. I would love to be able to keep drinking coffee but the price is now too high! I have been drinking decaf coffee which is okay but I miss the real thing. If anyone knows a way I scan keep my caffeine buzz without the above I’d love to know...

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Taurine, [1].

Or eat a banana, [2].

[1] https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-h...

[2] https://www.hindustantimes.com/health-and-fitness/overcaffei...

I wonder if you have some cardiovascular problem like hyptertension or coronary artery disease. Not trying to scare you! It sounds like you are becoming more sensitive to caffeine in general but many of these symptoms could be due to high blood pressure

Drinking coffee without adding l-theanine has always made me jittery and hyperactive. I recommend trying it. It's what makes the caffeine buzz from matcha/green tea better than coffee's.

Matcha tea has a bunch of stuff that is supposed to suppress the negatives of caffeine and keep the positives.

Also the taste is strong enough to be a decent coffee replacement.

L-Theanine? goes great with coffee (not mixed, just taken near the same time) - smooths out the jitters. Probably why Tea is more 'calming'

Could you point to any research? I asked many doctors but nobody really knew about the substance nor could tell me whether it's safe to supplement.

FWIW, 200mg of L-Theanine is included in my workout recovery supplement. Research seems sparse but here's what they say about it: (scroll down, click ingredients tab) https://athleanx.com/athleanrx/reconstruxion

examine.com is often a good starting place and lists many studies.

https://examine.com/supplements/theanine/

Check your condition- are you getting enough sleep, food, water? Are you consuming it late in the day and reducing your sleep quality? What about your dose, has it grown?

I experience the worst side effects when I've been fasting too long, or drink it late in the day.

have you tried mushroom coffee ?

I don't suffer from the downsides of coffee so I don't even have anecdotal experience on this but it sounds like it is worth a shot.

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