The amount of Algae that contain 1.8 μg of Vitamin B12 (Cyanocobalamin)

• 

  2.3 μg

  (per 3 g edible portion)

  Purple laver (dried)
  × 0.8
• 

  1.7 μg

  (per 3 g edible portion)

  Purple laver (seasoned and toasted)
  × 1.1
• 

  1.7 μg

  (per 3 g edible portion)

  Purple laver (toasted)
  × 1.1
• 

  1.2 μg

  (per 3 g edible portion)

  Iwa-nori (dried)
  × 1.5
• 

  0.3 μg

  (per 1 g edible portion)

  Green laver (dried)
  × 6
• 

  0.1 μg

  (per 5 g edible portion)

  Sea lettuce (dried)
  × 18
• 

  0.2 μg

  (per 50 g edible portion)

  Wakame (raw)
  × 9
• 

  0.1 μg

  (per 50 g edible portion)

  Wakame, Dried product (haiboshi , soaked in water)
  × 18
• 

  0.1 μg

  (per 40 g edible portion)

  Ego-nori (okyuto)
  × 18
• 

  0.1 μg

  (per 50 g edible portion)

  Mozuku (salted, desalted)
  × 18