>>9408825You know B12? Methylcobalamin is the active, organic version of it that we get from food and store.
Then there's cyanocobalami, hydroxocobalami and adenosylcobalamin. Pay attention to the 'Conversion steps' in pic related
Or hey, lets take another classic: Vitamin A. You get constantly told that carrots have Vitamin A but it's nowhere near the molecular structure of the actual one. You have to convert it. Wanna know another kicker? Go look up accutane and compare its molecular structure to retinol. Notice something [spoiler:lit]t's because it's made from retinol[/spoiler:lit]