brewer's yeast

Brewer’s Yeast Review 2018 – Pro’s & Con’s (updated July 2019)

What is Brewer’s Yeast?

Brewer’s Yeast has been used by people for over centuries because of its powder dense with nutrients that helps in boosting health and wellness. You can find brewer’s yeast by many companies. You can research about their brewer’s yeast before buying due to various factors.

Brewer’s yeast
Brewer’s yeast


It’s an ingredient which is used in the making and production of bread, beer, etc. It is made out of Saccharomyces cerevisiae which is one cellular fungus and the reason brewer’s yeast has the bitter taste.

It’s is not only used in production of beer and bread but also as a nutritional supplement as it’s a rich source of chromium which helps your body in maintaining blood sugar levels and along with that it is also a good source for Vitamin B. It is also used to aid digestion as it is considered as a probiotic.

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What does Brewer’s Yeast do?

Brewer’s yeast consists of small organisms named micro flora that helps in maintaining proper function of the digestive tract. It is also a nutrition supplement and also enhances energy and strengthens one’s immune system. It is a good source of the following:

  1. Iron
  2. Zinc
  3. Protein
  4. Selenium
  5. Chromium
  6. Potassium
  7. Magnesium
  8. Vitamin B
  9. Biotin (B-7)
  10. Niacin (B-3)
  11. Folic Acids (B-9)
  12. Riboflavin (B-2)
  13. Thiamine (B-1)
  14. Pyridoxine (B-6)
  15. Panthothenic Acid (B-5)


As said above, brewer’s yeast is considered as  a probiotic hence it is an effective way to prevent Diarrhoea and it has been used to cure & treat many disorders of the digestive tract that include the following:

  1. Traveler’s diarrhea
  2. Diarrhea caused by antibiotics
  3. Clostridium difficile colitis
  4. Lactose intolerance
  5. Irritable bowel syndrome

It can provide energy & also helps in maintaining healthy skin, hair, eyes, mouth, etc. It is also effective in supporting the nervous system whilst enhancing your immune system.

The chromium in this product also helps in controlling sugar levels for people with type II diabetes and improves glucose tolerance.

Side Effects of Brewer’s Yeast

There are not many major side effects of brewer’s yeast but before consumption of brewer’s yeast, one should consult with a doctor as it may react with other medication one takes.

There are a few mild side effects of brewer’s yeast. The most mundane side effects are:

  1. Gas
  2. Bloating
  3. Migraines
  4. Lasting Headaches, etc

You should stop consuming this product if you feel chest pain or throat and chest tightness or find it hard to breathe. As these may be the side effects of an allergic reaction to brewer’s yeast.

Brewer’s Yeast is a good source of Vitamin B but there’s an insufficient amount of Vitamin B 12 in it so you should make sure that you have Vitamin B 12 enough in your diet as deficiency of it may cause anemia.

Practical Uses 

  • If you want to use it for culinary uses then you should buy tit which comes in the form of flakes as it is said to have a taste like cheese.
  • You can also sprinkle it on items like popcorn to make your own cheese version of the snack.
  • You can also use it as salad dressing, toppings on pasta and other dishes, etc
  • It is highly recommended that you add it after the food is cooked so that the heat doesn’t blow out the Vitamin B
  • You can make a similar soup like hydrolyzed yeast ingredient in soup mixes does by adding it to your homemade soup broth.
  • As it is a good source of protein so you can add a few tablespoons of power shake or smoothies.

Risks of Brewer’s Yeast

Brewer’s yeast can react with many medications hence it is essential that you consider consulting a doctor before consumption. If you use any of the following medications then I will recommend you to not to consume this product at all because it may interact and have severe ill effects:

  • Monoamine Oxidase Inhibitors (MAOIs)

MAQIs have tranylcypromine, selegiline, and isocarboxazid. This kind of medications is used for the treatment of depression. There’s a large amount of Tyramine in brewer’s yeast and can cause a hypertensive crisis when interacts with MAQIs. This reaction can cause a dangerous increase in blood pressure and eventually can be the reason for heart attack or stroke.

  • Meperidine

It is a medication for narcotic pain. Interaction with this product can cause hypertensive crisis.

  • Diabetes Medication

Brewer’s yeast can also lower one’s blood sugar levels when taken in combination with diabetes medications. It can place one at higher risk of lower optimum blood sugar which is called hypoglycemia.

Also if you have any of the following conditions consider consulting a doctor before consuming brewer’s yeast:

  • Diabetes
  • Yeast Allergies
  • Crohn’s Disease
  • Frequent Yeast Infections
  • Weak immune system

You can also make a list of your conditions and medications before paying a visit to the doctor as it might be helpful in keeping you reminded about all of them without any of them is missing out.

How is it administered?

You can easily find this product in the form of powder, flakes, liquid, tablets, etc. It is one of the ingredients in making beer and a few kinds of bread. The average dose for an adult is one to two tablespoons on a regular basis. It can also be added to one’s foods or mixed with juices, shakes, smoothies and even water.

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Consumption of Brewer’s Yeast

It is still unknown if brewer’s yeast has any effect on pregnancy or breastfeeding. Therefore it is best to avoid it during these conditions. Along with that, it shouldn’t be given to children as there are no studies which prove that it is safe for their consumption or not. Gain people who have atopic dermatitis should also avoid taking yeast supplements as it may worsen their state and condition. It should be avoided by people with impaired immunity like during chemotherapy, etc.

Is it licensed?

Usually, products which consist of Brewer’s Yeast are marked & sold in the UK after being marked as food supplements.

Where to buy ?

You can find many products containing brewer’s yeast along with many companies selling raw brewer’s yeast under their label on various websites and also through health and food shops including some of the pharmacies too.


This product is a nutritional supplement with multiple uses and benefits. However, it shouldn’t be consumed when you are on some medications or have any conditions as it might not react so well. But you can always consult a doctor before really starting consumption of Brewer’s Yeast or any other compounds. You can use brewer’s yeast in your food, soups, snacks, and even drinks!

It has a lot of health benefits so why not take it on a daily basis? There are no major side effects of this product consumption so don’t worry just consult a health provider before starting!

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