Do differences sources of caffeine work differently?

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Was watching a TikTok and the person was saying that they normally drink caffeine and all that but when they drink one of the Starbucks baya drinks, it makes them feel weird and I started thinking that I tend to have that feeling sometimes too. I found that sometimes after I drink cold brew, my body feels heavier but when I drink something like matcha, I don’t feel so odd. I get energy from both but I’ve since been avoiding cold brew. But I am just wondering if there’s anything to that or is that just something I might have subconsciously convinced my body to believe or react that way almost like being psychosomatic.

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I can relate with this. When I drink too much Yerba mate 🧉 I get serious anxiety rushes, but when I just get a coffee (very very strong) I do just fine. I wonder why it is.

Caffeine as a substance is the same, it depends on the medium that is carrying it. For example a sugar free energy drink just goes through and doesn’t get digested as much as coffee so the caffeine can enter your blood much faster.

I have this with different types of alcohol. Even if the % adds to the same it’s not the same to have an amount of beers that equal a % than an amount of cocktails for example. But even what kind of alcohol is in the cocktail makes me feel different. I have 0 sources of this and wonder if it’s actually true or just me being weird. But for example rum makes me very sleepy and tequila gives me worse hangovers than vodka (I think)

Is the matcha sweetened?

Are your drinks containing sugar or other energy additives? If you’re getting your drinks from Starbucks, 94% there is sugar in there as well as caffeine.

Cold brew is wildly more caffinated than other coffee/morning beverages. As a general rule of thumb, for a standard drink (sizes vary):

Double shot of espresso: 80-90 mlg of caffeine
Cup of drip coffee: 85-95 mlg of caffeine
Cup of cold brew: 110-120 mlg of caffeine

Another rule of thumb, longer water is in contact with the beans the more caffeine is extracted.

This might not answer your question directly, but there are a lot of factors that go into energy you get from drinks (and food I guess).

There’s a lot of r and d that goes into excipients (non active ingredients) in pharma because they can greatly effect the stability of your compounds, absorption into the body, dissolution profiles, etc etc.