The authors demonstrated that larger particles (5 m) caused more severe obstruction than smaller ones (2 m, 80 nm), suggesting size-dependent neurovascular toxicity
Keep in mind that each person is different, so what suits one might not suit another
Deficiencies in vitamins B6, B9 (folate), or B12 lower antioxidant activity and increase harmful molecules like reactive oxygen species (ROS) and proinflammatory proteins
Toxicological sciences : an official journal of the Society of Toxicology , 147 (2), 466-474
As a result, the demand for skincare and hair care products containing these ingredients is escalating as consumers seek to replenish and maintain optimal levels to combat the effects of ageing and maintain healthy, youthful-looking skin and hair
Because everyones baseline levels and lifestyle stressors differ, a dose that works for one person might be excessive for another