All about fruitarianism with a long-term fruitarian, Lena

Vitamin B(12) concentrations of dried green (Enteromorpha sp.) and purple (Porphyra sp.) lavers nori were determined, in micrograms: 

  • green nori: 64 - 69 mcg per 100 g of dry weight,
  • purple nori: 32 - 25 mcg per 100 g of dry weight.

Non-coenzyme forms (hydroxo and cyano forms) of vitamin B12 predominate in both. 

Recommended dietary amounts (RDAs) for cobalamin, B12, are 2.4 mcg (micrograms) daily, one can cover it with 4 g of dry green nori. 

The dried lavers contained lesser amounts of dietary iodine (~ 4-6 mg per 100 g of dry weight) relative to other seaweeds, suggesting that excessive intake of the dried lavers is unlikely to result in harmful intake of iodine.

These results indicate that the nori are the best source of vitamin B12 among edible seaweeds, especially for strict vegetarians (vegans).

Gottfried Wilhelm Leibniz

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Vitamin B9 Folic Acid

Vitamin B9, also called folate or folic acid, is one of 8 B vitamins.

  • Folic acid is the synthetic form of B9, found in supplements and fortified foods.
  • Folate occurs naturally in foods.

Folic acid is crucial for proper brain function and plays an important role in mental and emotional health. It aids in the production of DNA and RNA, the body's genetic material, and is especially important when cells and tissues are growing rapidly, such as in infancy, adolescence, and pregnancy.

Folic acid also works closely with vitamin B12 to help make red blood cells and help iron work properly in the body.

Rich sources of folate include: spinach, dark leafy greens, asparagus, mustard greens, brussels sprouts, beans, soybeans, root vegetables, whole grains, oranges, avocado. 

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