According to the FDA, individuals who require long-term pain relief should consult their doctor to explore alternative treatments or liver function monitoring
Reduce Pain & Inflammation Significantly lowers chronic and acute inflammation throughout the body, improving joint comfort, mobility, and overall quality of movement

This makes you feel more alert than you would be without caffeine.67 Repeatedly in scientific studies, caffeine may improve sustained attention as much as prescription stimulants (but more research is needed).13 A 2022 review also outlined how caffeine appears to have neuroprotective effects against Alzheimers disease in animal models, but this theory still needs to be researched and tested more rigorously in humans.14 L-Theanine Most common in tea leaves, L-theanine is another amino acid thats key for inducing relaxation.68 Like ashwagandha, its long been known to reduce stress, particularly when used in conjunction with caffeine (where L-theanine reduces the jittery effect commonly felt when you have a little more than you need).15 Theres a link between L-theanine and improved sleep quality, too, though there still needs to be more research on this subject before anything can be stated definitively.16 Rhodiola rosea Rhodiola rosea is an herb common in northern Europe thats similar to ashwagandha

Mallinson PI, Coupal TM, McLaughlin PD et al (2016) Dual-energy CT for the musculoskeletal system
You think about the number of people who can have a relatively healthy young-middle part of their lives, and then the immune system dysregulates later in life, and you have all sorts of things
[DOI] [PubMed] [Google Scholar] Istvan ES, 2002