Brewer’s yeast is a single-celled fungus that plays a key role in the process of brewing beer. It’s also packed with B vitamins and other nutrients. Brewer’s yeast contains protein, fiber, selenium, riboflavin, thiamine, niacin, copper, potassium and folate. Historically, brewer’s yeast has been used as a natural remedy for carious ailments, including insomnia and migraines. Research has shown that brewer’s yeast benefits include the ability to improve blood sugar levels, enhance eye health, protect brain health and give the immune system a natural boost.
Brewer’s Yeast Benefits
1. Improves Blood Sugar
Brewer’s yeast benefits include the ability to naturally improve blood sugar levels. Research has shown that brewer’s yeast is able to significantly lower blood sugar levels in adults with diabetes. It can also help to improve insulin sensitivity. Brewer’s yeast contains fiber, which helps to slow the absorption of sugar in the blood. It also contains chromium, a trace mineral known to improve insulin sensitivity and boost blood sugar control in patients with diabetes. (1)
2. Boosts Immunity
Brewer’s yeast benefits include the ability to give the immune system a natural boost. In one study, researchers found that giving brewer’s yeast to mice helped to decrease the levels of some inflammatory markets and normalize immune response. Brewer’s yeast benefits also include the ability to enhance the health of the immune system by providing the body with selenium. Selenium has powerful antioxidant properties that help boost immunity and fight off infection.
3. Enhances Eye Health
Thanks to the vitamins it contains, brewer’s yeast benefits include the ability to enhance eye health. It contains riboflavin, a vitamin that research has linked to a reduced risk of vision problems. Brewer’s yeast also contains thiamine. Low levels of thiamine in the body have been linked to eye conditions such as glaucoma. The antioxidants in brewer’s yeast also play a protective role by fighting free radicals that can cause damage to the eyes.
4. Prevents Migraines
Studies have shown that brewer’s yeast may work as a natural remedy for migraines, thanks to the riboflavin it contains. In one study, researchers treated migraine patients with riboflavin capsules for six months. The patients experienced a reduced headache frequency. They were also able to reduce their use of migraine medications by 64%. (2)
5. Protects Brain Health
Brewer’s yeast benefits include the ability to protect brain health. It’s loaded with B vitamins that support healthy cognition, including riboflavin, niacin, thiamine, Vitamin B6 and folate. Brewer’s yeast helps to prevent a thiamine deficiency, which has been linked to Alzheimer’s disease and other cognitive problems. (3)
6. Treats Diarrhea
Brewer’s yeast benefits include the ability to treat diarrhea. Studies have also shown that brewer’s yeast may be able to reduce the risk of diarrhea caused by antibiotics. As a type of probiotic, brewer’s yeast can help promote healthy gut bacteria and counteract the negative effects of antibiotics. Research has shown that brewer’s yeast can also help treat diarrhea associated with irritable bowel syndrome and Crohn’s disease.
7. Aids in Digestion
Brewer’s yeast benefits include the ability to aid in digestion. In an analysis of over 1,793 participants, researchers found that probiotics like brewer’s yeast helped to reduce pain and severity of symptoms associated with irritable bowel syndrome. The probiotics in brewer’s yeast can also help prevent inflammation in in the intestines and improve overall digestive health. (4)
8. Prevents Anemia
Thanks to the B vitamins it contains, brewer’s yeast benefits include the ability to help prevent anemia. The riboflavin in brewer’s yeast works to boost the metabolism and absorption of iron in the body, which is a vital part of anemia prevention.