Documentation standards including COA availability, manufacturing provenance, and lot traceability vary depending on which supplier carries the product at any given time
Vitamin B12 is found exclusively in animal foods or foods fortified with this vitamin, such as: Meat and chicken: especially organ meat and red meat like beef Fish and seafood: especially clams, sardines, tuna, trout, and salmon Dairy: including milk, cheese, and yogurt Eggs: especially egg yolk Fortified foods: breakfast cereal, nutritional yeast, as well as some mock meats or plant milks Supplements, which are widely available in stores and online, are another way to meet your daily requirements
Rotate sites systematically (abdomen, thighs, upper arms) to avoid lipohypertrophy
nothing crazy but steady