Should You Take Natural vs. Synthetic B12? Where does vitamin B12 come from? And why is it so hard to produce? In the meat and dairy industry, animals are often supplemented with Vitamin B12 due to modern farming practices that limit their natural intake. So people who eat animals are simply taking a Special #2: Four Weekly Lipotropic MIC B12 Injections + Body Composition Analysis TruCare Health B12 doesn't magically come from animals, it's made by bacteria in soil. Farmed animals are literally injected with B12 these days because they don't get it from food anymore. We scrub and