In the UK, such products are regulated under the GB Cosmetic Products Regulation (retained from EU Regulation 1223/2009, overseen by the Office for Product Safety and Standards, OPSS)
Additionally, the NNMT substrate nicotinamide 12 is metabolized by the microbiome 56,57 , and thus NNMTi may modulate substrate availability, potentially influencing microbial metabolic capacity to drive the NNMTi-mediated weight loss
Where environmental exposures fit within the hierarchy of health priorities, and a framework for evaluating which environmental risks are worth addressing [A: 13:15, V: 12:51]
Their efficacy is significantly enhanced when complemented by healthy lifestyle choices, particularly dietary adjustments and regular physical activity
In fact, almost everyone should be taking a supplemental vitamin C for health reasons