Studies suggest the ingredients in AlphaJoe Coffee Booster may...


 (1) Cocoa:
– Flavonoid-rich cocoa consumption affects multiple cardiovascular risk factors in a meta-analysis of short-term studies. J Nutr. 2011 Nov;141(11):1982-8.
– Effects of low habitual cocoa intake on blood pressure and bioactive nitric oxide: a randomized controlled trial. JAMA. 2007 Jul 4;298(1):49-60.
– Chocolate consumption and cardiometabolic disorders: systematic review and meta-analysis. BMJ. 2011 Aug 26;343:d4488.
– Effects of chocolate, cocoa, and flavan-3-ols on cardiovascular health: a systematic review and meta-analysis of randomized trials. Am J Clin Nutr. 2012 Mar;95(3):740-51.
– The neuroprotective effects of cocoa flavanol and its influence on cognitive performance. Br J Clin Pharmacol. Mar 2013; 75(3): 716–727.
– Impact of alkalization on the antioxidant and flavanol content of commercial cocoa powders. J Agric Food Chem. 2008 Sep 24;56(18):8527-33.
– Dark Chocolate Intake Positively Modulates Redox Status and Markers of Muscular Damage in Elite Football Athletes: A Randomized Controlled Study
– Oxidative Medicine and Cellular Longevity Volume 2018, Article ID 4061901, 10 pages 
(2) Tyrosine: 
– Tyrosine reverses a cold-induced working memory deficit in humans. Pharmacol Biochem Behav 1994 Apr;47(4):935-41
– Tyrosine improves cognitive performance and reduces blood pressure in cadets after one week of a combat training course. Brain Res Bull 1999 Jan 15;48(2):203-9 
– Effect of tyrosine on cognitive function and blood pressure under stress. Brain Res Bull 1994;33(3):319-23 
– Tyrosine improves working memory in a multitasking environment. Pharmacol Biochem Behav 1999 Nov;64(3):495-500
– The effects of tyrosine on cognitive performance during extended wakefulness. Aviat Space Environ Med 1995 Apr;66(4):313-9
– Tyrosine and its potential use as a countermeasure to performance decrement in military sustained operations. Aviat Space Environ Med 1992 May;63(5):364-9 
(3) Creatine: 
– Effects of creatine on mental fatigue and cerebral hemoglobin oxygenation. Neurosci Res. 2002 Apr;42(4):279-85. 
– Creatine supplementation and cognitive performance in elderly individuals. Neuropsychol Dev Cogn B Aging Neuropsychol Cogn. 2007 Sep;14(5):517-28. 
– The influence of creatine supplementation on the cognitive functioning of vegetarians and omnivores. Br J Nutr. 2011 Apr;105(7):1100-5. 
– Oral creatine monohydrate supplementation improves brain performance: a double-blind, placebo-controlled, cross-over trial. Proc Biol Sci. 2003 Oct 22;270(1529):2147-50. 
– Creatine supplementation, sleep deprivation, cortisol, melatonin and behavior. Physiol Behav. 2007 Jan 30;90(1):21-8. 
– Dietary supplement creatine protects against traumatic brain injury. Ann Neurol. 2000 Nov;48(5):723-9.
Further reading:
– For a more detailed explanation on the science behind the ingredients in AlphaJoe Coffee Booster you can also read my article here on my main Brinkzone website: 
– I've also written several other articles on Creatine like this one, which I think you may find interesting:
– I also wrote an article covering many of the potential health benefits of Creatine for the acclaimed Life Extension Magazine: