Any side effect taking too much yeast?

Question

Recently I became vegan, heard that I need B12, and yeast is a good source of B12.

According to the label, a bottle (115g) of yeast contain 17ug of B12. Base on the calculation that I need 2.5ug perday. That means I will need to finish one bottle (115g) of yeast per week.

So is there any side effect eating too much yeast?

Answer 1

Mmmm... marmite...

I don't think you need to eat a bottle a week.. that's crazy and expensive(unless you live in england).. if you don't eat breakfast cereal you might want to give it a try, many are fortified with b12. So eat a 1/4 of the marmite or nutritional yeast on toast along with cereal every day... B12 is one of those things you can skip a day without unlike protein and calories.. your body stores it pretty well.

Answer 2

B12 is something your body can retain so as a new vegan you likely have quite a store left. Maybe enough to last you several years if you had a good diet before. Not that you should count on that but you don't need to worry a bunch either.

There is the possibility of exacerbating yeast issues in people prone to yeast infections such as athlete's foot. Consuming a lot of any one food also tends to displace consuming another beneficial food.

Nutritional yeast is indeed a source of B12 but is not the most reliable nor one you should rely on.

B12 is actually a soil bacteria that we used to get from eating veggies from clean fields. Now because of the contamination from factory farms manure, effluent, run-off, etc., we have become obsessed with sanitizing the food we eat and indeed we need to with all the c**p produced by the Confined Animal Feeding Operations (CAFOs) which are unnatural ways to "grow" animals and cause the problems such as e coli, salmonella, and more to begin with due to the way the animals are raised. In fact, it is from the soil bacteria that animals get their B12 (they don't have sinks) but unless supplemented are less likely to get it themselves raised as they are in buildings and such (same with vitamin D).

So, your best bet is to find a good supplement for B12 (and possibly vitamin D which is turning out to be very important and the D which is in milk is a supplemented/fortified version rather than naturally there and is not a vegan one). You could try to meet your needs via fortified foods such as soy milks but those too are just supplemented and need to be chosen over the non-supplemented. Easiest to just take a B12 pill once a week and not worry about whether you are getting enough day to day, what you need to eat, and when. Then you can have milk alternatives of your choice (soy being just one) and nutritional yeast because you want to (great on organic popcorn) and not because you think you must.

Answer 3

explosion...

Answer 4

Do you mean Nutritional yeast or regular baking yeast?  Nutritional yeast is a good source of B12 but I wouldn't recommend eating a ton of it.  Not that it would do anything bad to you, but it is just not necessary.  If you have the right kind you should only need like 2 teaspoons of it.  Take a high quality multivitamin and drink/eat B12 fortified foods.  For example most soy/rice/hemp/almond milks are fortified with B12.

Answer 5

Not yeast.  Bacteria is the source.

Nutritional Yeast is not like regular yeast.

Too much Nutritional Yeast... no side effects.  You will just be wasting your money because all the excess will go down the toilet unused by your body, but your body will still use energy to break it down... so you will also wast your body's energy too.