Organ meats are among the highest nutrient-dense foods. Vitamin B12 is abundant in liver and kidneys, particularly those from lamb.
Clams are a tiny, chewy shellfish that is high in nutrients. This mollusc is a good source of protein and has high levels of vitamin B12.
Sardines are little saltwater fish with fragile bones. They are typically offered canned in water, oil, or sauces, although they can also be purchased fresh.
Beef is a good source of vitamin B12. One grilled flat iron steak (approximately 190 g) contains 467% of the daily value for vitamin B12.
Because it is synthetic and not produced from animal sources, this vitamin B12 source may be suitable for vegetarians and vegans.
Tuna is a popular fish that is high in nutrients such as protein, vitamins, and minerals. It has significant levels of vitamin B12.
Nutritional yeast is a wonderful source of protein, vitamins, and minerals for vegans. It's a type of yeast developed exclusively for human consumption.
Rainbow trout is said to be one of the healthiest fish. This freshwater species is rich in protein, good lipids, and B vitamins.
Salmon is well known for having one of the highest omega-3 fatty acid contents. It's also a good source of B vitamins.