#1: Cheese
The amount of vitamin B12 in cheese depends on type and variety, Swiss cheese provides the most with 3.34μg per 100g serving (56% RDA), followed by Gjetost(40% RDA), Mozzarella(39% RDA), Parmesan(38% RDA), Tilsit(35% RDA), and Feta(28% RDA).
Click to see complete nutrition facts.
#2: Eggs
When it comes to chicken eggs the raw yellow has most of the vitamin B-12 with 1.95μg per 100g serving (33% RDA), however, this equates to 0.33μg per yolk or just 6% of the RDA. The eggs of other animals are higher with a goose egg providing 7.34μg (122% RDA) of vitamin B-12 per 100g serving, and a duck egg providing 3.78μg (63% RDA).
Click to see complete nutrition facts.
#3: Whey Powder
Once thought the sole domain of body builders, whey powder is now entering main stream as more people are going vegetarian. Whey powder is a common addition to breads and smoothies, 100 grams will provide 2.5 μg of vitamin B12 or 42% of the RDA.
Click to see complete nutrition facts.
#4: Milk and Yogurt
100 grams of non-fat yogurt provides 0.53μg (10% RDA) of vitamin B12 and 15%RDA per cup. 100 grams of reduced fat milk provides 0.46μg (8% RDA) and 19% RDA per cup.
Click to see complete nutrition facts.
#5: Yeast extract Spreads (Marmite)
Yeast extract spreads are popular in Britain and Europe, and have started to gain popularity in the U.S. A good vegetarian source of protein, the spread also packs a lot of vitamin B12. One hundred grams provides 0.5μg (8% RDA) of vitamin B12, that is 0.03μg (1% RDA) per teaspoon.
