How does NMN by Genuine Purity compare to other NMN supplements in terms of purity and effectiveness? I've heard a lot about the benefits of NMN supplementation, but I'm curious specifically about this brand. Does NMN by Genuine Purity have any unique features or advantages over other brands on the market? Additionally, how does Genuine Purity ensure the quality and authenticity of their NMN product? I'm looking for insights into what sets this brand apart and whether it's worth trying.