Thankfully, the question Is B-Complex the same as B12? has a much simpler answer, they are not the same, though a B-Complex supplement may include Vitamin B12
Because they do different things
Scand J Gastroenterol (2007) 42:15145
Ultra High Potency Ashwagandha Capsules - Our ashwagandha supplement offers 500mg of a nourishing 20:1 ashwagandha root extract, equivalent to 10,000mg of ashwagandha root powder in each serving
[Google Scholar] Metabolism of glutathione S -conjugates: Multiple pathways
So does its dosing, as 500mg is within the ranges used in successful research on both ingredients.51 52 Also, Omres resveratrol is micronized, or decreased in particle size, a technology that has clinically yielded increased plasma resveratrol levels.53 The addition of BioPerine in the Omre formula may further improve bioavailability