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Differentiating between probiotics Part 1

We are often asked what is the difference between the readily available probiotics on the market. In part one of this series we compare (Natto) and (boulardii).

Both the bacteria Bacillus Subtilis (Natto) and the yeast Sacchormyces cerevisiae are spore producing probiotics, however it is here that the similarities may end.

Comparison between Bacillus subtilis (Natto) and Saccharomyces cerevisiae (boulardii).
For ease in this exercise, Bacillus subtilis is referred to as (Natto) and Saccharomyces cerevisiae is referred to as (boulardii)
Areas Answers
Common names: (Natto)
Hay bacillus, grass bacillus
Brewer’s yeast, baker’s yeast
Enzymes produced:
Proteases Yes No
Lipases Yes No
Amylase Yes No
Phytases Yes Yes
Vitamins produced:
Vitamin K2 Yes No
Neuropeptides produced:
Serotonin Yes No
Other neuropeptides Yes No
Immune stimulant: Yes Yes
Mycotoxin reduction: Yes Yes
Inhibit effects of:
Escherichia coli Yes Yes
Clostridium Yes Yes
Fungal spp. Yes Yes
Salmonella Yes Yes
Rotavirus Yes Yes
Lactobacilli No Yes
Nourishes intestinal cells: Yes Yes
Anti-inflammatory activity: Yes Yes
Beneficial effects:
Lactobacilli Yes No
Bifidobacteria Yes No
(This comparison is by no means exhaustive in nature.)
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