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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

For day 2, eat scrambled eggs with spinach for breakfast and turkey lettuce wraps for lunch
Categories on the World Anti Doping Agency list are updated each season, so always confirm current status before making any decision
Decrease in products negatively affecting physical and mental health: Items detrimental to well-being, such as alcohol and tobacco, might become less popular as the determination used to reduce food intake can be redirected elsewhere
Disclaimer: Caution: Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement