Alongside Protide Health, that group includes Biotech Peptides, Core Peptides, AminoVault, and American Peptides
While you can, its not recommended for this purpose
B vitamins (especially B6, B9, and B12), vitamin D, iron, and magnesium are some of the most important vitamins and minerals for your cognitive health.73 Vitamin and mineral deficiencies are more common than many people realize.28 So, if you suspect that you have a deficiency, properly diagnosing and treating it (with input from your doctor) is often just as good as if not better than just taking a nootropic supplement
They were designed by different companies to do overlapping jobs through different biology, and the evidence behind each sits at a different tier