It should therefore be determined in consultation with your doctor
Gather all supplies on a clean, flat surface with good lighting
Dietary Sources for Vitamin B12 and D3 Vitamin B12 Red meat (beef, lamb) Poultry Fish (salmon, tuna, sardines) Eggs Dairy products (milk, yogurt, cheese) Fortified cereals and plant-based milks Vitamin D3 Sunlight exposure (primary source) Fatty fish (salmon, sardines, mackerel) Egg yolk Cod liver oil Fortified dairy and cereals Despite these sources, multiple studies show that diet alone often fails to meet optimal levels, making vitamin d3 and b12 together supplementation common
Current research is encouraging, but there are still important questions that only larger human studies conducted over longer periods will be able to answer
Jiang, F
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