Twinlab® B-100 Caps deliver at least 100 percent of the daily requirement for seven B vitamins in just one capsule a day. This
...Vitamin B-12 is naturally found in animal products like fish, meat, poultry, eggs milk & milk products. It is produced by microorganisms such as bacteria, & algae. Animals do not create their own B-12; animal products provide us with vitamin B-12 because animals ingest the microorganisms that produce this nutrient.