3g l carnitine L-Carnitine Concept L Carnitine 3000 provides mitochondrial support and enhances energy levels without the drawbacks of caffeine or other stimulants NOW Foods Sports Nutrition, L-Carnitine

Central regulation of the hypothalamo-pituitary-thyroid (HPT) axis: Focus on clinical aspects

B.PeoplesM.et al (2007)

Instead of stating that L-Citrulline or L-Arginine treats erectile dysfunction, hypertension, angina, or cardiovascular disease, use compliant structure/function language such as supports nitric oxide production, supports healthy circulation, supports vascular endothelial function, or supports exercise performance. Brands should verify that product pages, labels, ads, and influencer scripts do not convert structure/function support into disease treatment claims

NovaForme Now Foods Noxygen NTel Nutra Ntel Pharma Nu U Nutrition Nubreed NUCO NuGo Nutrition Numi Tea NuNaturals Nurture Inc

10.1056/NEJMoa1715971 57 Nolfi-DoneganD.AnnarapuG

doi: 10.3389/fcell.2021.624025 23 GiclasPCGinsbergMHCooperNR