What specific concern exists regarding the B12 vitamin found in Spirulina?
Answer
The bioavailability of the form present compared to animal sources
While Spirulina is noted to contain B vitamins, including B12, there is a specific nuance noted regarding its quality or uptake efficiency. The concern centers on the bioavailability of the specific form of B12 present in the algae when contrasted with the forms typically found in animal-based sources. Even though it contributes significantly to the overall diet, scientific evaluation must address whether the body can absorb and utilize this particular vitamin structure as effectively as the alternative sources, especially when relying on a limited diet for extended periods.
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