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I'm with Marcel on this one. Granted, I am not a dietician, but my review of the peer-reviewed literature, as well as reports at VeganHealth.com, show that chlorella is, at best, unreliable for B12 sources and further study is needed.
It's good to hear that a multi-vitamin source of B12 is used WFHO, but I still have the same question as Donna: does this mean I can stop supplementing with B12 daily if I use WFHO daily?
I dont see what the big deal is. Just take nutritional yeast to get your B12 if you dont agree about chlorella
Let's see here, in Beth Ley's book Chlorella: The Ultimate Green Food on page 14 it says that chlorella contains 1.26 mg of B12 per 100g. That's 0.0126 mg per gram, which in micrograms is 12.6 mcg. So even at just 1g of chlorella per day you'd be getting well above the RDI of 2.4 mcg per day.
Having a nutrient such as B12 available for test within a substrate and that same said nutrient being bio-available to the human body are two different things. Aside from meat, Fungi are the only other reliable sources of whole food based B12 that is also Bio-available.
Yes chlorella is high in B12 and protein. However the human digestive system has difficulty digesting and assimilating it; which is why a 'cracked cell wall' form is used- allows digestion. This, however, does not change that certain other enzymes are present that bind to B12 IN VIVO, restricting our bodies form being able to use it.