Research & Studies
"The incidence of caffeine withdrawal headache in habitual consumers may be as high as 50%, with symptoms typically beginning 12-24 hours after last consumption and peaking at 20-51 hours." Juliano & Griffiths, Psychopharmacology, 2004 Caffeine withdrawal is recognized in the...
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"Brain creatine levels are reduced in Alzheimer's disease, and ATP metabolism is impaired before clinical symptoms emerge." Beal, M.F., Annals of Neurology, 1993 On July 21, 2025, The Oklahoman published expert commentary suggesting that creatine supplementation may warrant investigation for...
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"Chronic caffeine use produces tolerance to most of its cardiovascular and subjective effects through adaptive upregulation of adenosine receptors." Fredholm et al., Pharmacological Reviews, 1999 Caffeine tolerance represents one of the most extensively documented forms of neuroadaptation in psychopharmacology. Regular...
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"Zinc deficiency impairs the expression of vitamin D receptors and reduces the bioavailability of the active form of vitamin D, suggesting an essential role in vitamin D metabolism." Nair and Maseeh, Journal of Pharmacology & Pharmacotherapeutics, 2012 Vitamin D does...
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"Individuals with MTHFR 677TT genotype show 70% reduced enzyme activity, creating a metabolic bottleneck that impairs folate-dependent neurotransmitter synthesis and homocysteine metabolism." Frosst et al., Nature Genetics, 1995 Folate plays a central role in one-carbon metabolism — the biochemical pathway...
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