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Studies have shown that the skin sunburned by UV radiation has a higher level of telomerase activation, so UV can regulate skin telomerase activity
Second, normalization to the mitochondrial matrix enzyme citrate synthase (CS), an established marker for mitochondrial content, enabled us to distinguish whether the increase in OXPHOS proteins was due to an overall rise in mitochondrial content or represented a selective upregulation of the OXPHOS complexes on the mitochondrial membrane relative to other mitochondrial proteins
between the two, citicoline works more effectively, but alpha-GPC is more common (though some research suggests that alpha-GPC may not produce statistically significant results over caffeine or a placebo).4 Citicoline has been shown to improve episodic memory without serious side effects for some (but not all) memory domains and is a contender for a future possible dementia or stroke treatment, though more research is necessary.5 6 Ashwagandha Ashwagandha comes from a plant commonly used in Ayurvedic medicine to lower stress and anxiety levels, improve sleep, and regulate your HPA axis (which, for men, can also boost testosterone levels).7 In contemporary research, these practices hold up well, consistently lowering self-reported anxiety levels and improving sleep quality by up to 72%.8 9 By improving your sleep and lowering stress, ashwagandha seems to work as a natural nootropic, but theres some evidence it may also improve executive functioning in people with neurological and severe psychiatric disorders.10 Anecdotally, our testers noted significant drop-offs in their stress and anxiety levels when they tried ashwagandha supplements
Keeping your cellular level of reduced glutathione high is vital for health and immunity
The Specialist doctor from the University Hospital in Gothenburg, alumnus UC Berkeley
