Brewer’s Yeast

Used for centuries to make beer, wine and bread, this fermented yeast product also has great benefits loaded with fiber, vitamins and minerals.  Incorporating a little into your diet can help balance your blood sugar, normalize the immune system to helping headaches and improve gut health.

Brewer’s Yeast is:

  • Loaded with vitamins, minerals and protein
  • Supplements fiber, selenium, and B vitamins
  • Improves and aids in digestion
  • Enhances your immune system
  • Increases the milk supply in breastfeeding

Best Brewers Yeast Products

Sale#1 Real Supplements Rated Best in 2020
Brewers Yeast Powder for Lactation to Boost Mother's Milk by Kate Naturals. Brewer's Yeast Powder for Lactation Cookies. Gluten Free & Non-GMO Lactation Supplement. Edible for Dogs & Ducks (12oz)
6,846 Reviews
Brewers Yeast Powder for Lactation to Boost Mother's Milk by Kate Naturals. Brewer's Yeast Powder for Lactation Cookies. Gluten Free & Non-GMO Lactation Supplement. Edible for Dogs & Ducks (12oz)
  • BREWER'S YEAST POWDER DEBITTERED - Kate's Brewer's Debittered Yeast Powder for lactation cookies has less odor and can be masked with whole milk. Fresh yeast and brewers yeast powder help increase breast milk. 100% Guaranteed Authentic or FULL REFUND
  • BREWERS YEAST POWDER FOR LACTATION COOKIES - Bake lactation cookies to increase milk supply. Brewer's Yeast Powder (levadura de cerveza) has a strong odor so use a tiny amount on your initial batch and adjust. It's similar to brewers yeast tablets.
  • BREWERS YEAST FOR DOGS & FOR DUCKS - Natural tasting powdered brewers yeast without any additives. Our new formula has less odor. Yeast brewers (levadura de cerveza en polvo) is editable for ducks, horse, chickens, cats, pets and dogs.
  • LACTATION SUPPLEMENT FOR INCREASED BREAST MILK- Gluten Free Brewers Yeast Powder makes tasty lactation brownies, breastfeeding cookies, lactation cookies for increased breast milk. Mix with milk for a lactation drink or lactation protein powder.
  • 100% GUARANTEE AND ONE YEAR WARRANTY - We aim to offer the highest quality and most authentic products. We guarantee your satisfaction. If you are not satisfied with your purchase, please return it for a FULL REFUND within 365 days. Add to Cart.
#2 Real Supplements Rated Best in 2020
Brewers Yeast Powder for Lactation - Mommy Knows Best Brewer's Yeast for Breastfeeding Mothers - Mild Nutty Flavored Unsweetened and Debittered - 1 lb
9,789 Reviews
Brewers Yeast Powder for Lactation - Mommy Knows Best Brewer's Yeast for Breastfeeding Mothers - Mild Nutty Flavored Unsweetened and Debittered - 1 lb
  • HIGH QUALITY BAKER'S YEAST FOR BREASTFEEDING MOTHERS - The lactation supplement for increased breast milk is perfect for baking lactation cookies, brownies, bars, and other baked goods for breast milk supply increase.
  • BOOSTS ENERGY LEVELS AND COMBATS FATIGUE - The protein, iron, and B vitamins help to combat fatigue, especially if you are taking it as a dietary supplement while you’re breastfeeding.
  • ELEVATES SENSE OF WELL BEING - Research suggests B vitamins and chromium can improve overall wellness.
  • NUTRITIOUS LACTATION SUPPORT - While our brewer's yeast is debittered with no extra ingredients added, the nature of pure brewers yeast powder will still have some slight notes of bitterness. Brewer’s yeast is believed to be a galactagogue, which is a supplement that nursing mothers use to support lactation and make more breast milk
  • Certified GMP. Complies with organic agriculture regulations. No additives, no artificial or chemical substances. No contact with allergen products or inorganic additives.
#3 Real Supplements Rated Best in 2020
Anthony's Brewer's Yeast, 1lbs, Made in USA, Gluten Free (1 Pound)
6,028 Reviews
Anthony's Brewer's Yeast, 1lbs, Made in USA, Gluten Free (1 Pound)
  • High Quality Brewer's Yeast Powder
  • Unflavored, Unsweetened, Unfortified
  • Batch Tested and Verified Gluten Free
  • Derived from Non Genetically Modified Ingredients
#4 Real Supplements Rated Best in 2020
Solgar Brewer's Yeast Powder, 14 oz - Rich Source of Amino Acids, B-Complex Vitamins, Minerals, & Protein - Natural, Unflavored, and Unsweetened - Dairy Free, Vegetarian - 13 Servings
3,784 Reviews
Solgar Brewer's Yeast Powder, 14 oz - Rich Source of Amino Acids, B-Complex Vitamins, Minerals, & Protein - Natural, Unflavored, and Unsweetened - Dairy Free, Vegetarian - 13 Servings
  • Premium Brewer’s Yeast; A natural primary Brewer’s Yeast (Saccharomyces cerevisiae); Solgar’s Brewer’s Yeast Powder is natural, unflavored, unsweetened, and unfortified
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
  • Nothing Added, Naturally Delicious; Solgar’s Brewer’s Yeast Powder can be sprinkled on cereals, salads or incorporated into stews, soups, sauces, gravies, juices, or baked goods
  • Natural Source; Most Brewer’s Yeasts are derived from the fermentation of beer; Such fermentation involves grains (like rice or wheat), malt, and hops; The yeast is then collected and dried using special techniques to preserve nutrient content
  • Nutrient Rich; Brewer’s Yeast provides a source of amino acids, B-complex vitamins, minerals, and protein; Solgar Brewer Yeast is suitable for vegetarians; Free of: dairy, soy, artificial flavor, sweetener, preservatives and color
Sale#5 Real Supplements Rated Best in 2020
NOW Foods Brewer's Yeast 650 mg 200 Tabs
896 Reviews
NOW Foods Brewer's Yeast 650 mg 200 Tabs
  • Brewers yeast 10 grain 200 tabs by now foods
  • NOWSUPPVitamin-Brewers Yeast/Nutritional Flakes- 200TABS
  • Now foods product upc: 733739024107
#6 Real Supplements Rated Best in 2020
It's Just - Brewers Yeast Powder, Keto Baking, Sourdough Bread, Boost Mother's Milk, Make Lactation Cookies, 10oz
2,081 Reviews
It's Just - Brewers Yeast Powder, Keto Baking, Sourdough Bread, Boost Mother's Milk, Make Lactation Cookies, 10oz
  • Brewers Yeast Powder / A byproduct of brewing beer but can be used for many different medicinal and nutritional purposes! Is rich in B- Complex Vitamins, protein, iron, and Chromium. It is used to treat both digestive and respiratory problems!
  • Lactation Support / So rich in nutrients that it is used as a supplement for breast feeding mothers to support lactation and produce more milk! Use it in cookies, muffins, oatmeal, and smoothies!
  • Boost Energy & Mood / Because Brewer’s Yeast is packed with protein, iron, and B Vitamins, lactating mothers are advised to take it as dietary supplement. Not only does it support lactation, but it boosts energy levels and mood, and fights fatigue, all of which are effects of breast feeding!
  • Satisfaction Guaranteed / We want you to be happy with your purchase! If for any reason you are not completely satisfied, just send it back for a full refund.
Sale#7 Real Supplements Rated Best in 2020
NOW Brewer's Yeast, 1-Pound (Pack of 2)
510 Reviews
NOW Brewer's Yeast, 1-Pound (Pack of 2)
  • Contains several naturally occurring vitamins, minerals, and other beneficial nutrients
  • All vitamins listed occur naturally in Brewer's Yeast
  • No synthetic vitamins added to the yeast during processing
Sale#8 Real Supplements Rated Best in 2020
NOW Supplements, Brewer's Yeast Powder with naturally occurring Protein and B-Vitamins, 1-Pound
2,387 Reviews
NOW Supplements, Brewer's Yeast Powder with naturally occurring Protein and B-Vitamins, 1-Pound
  • REDUCED BITTERNESS: After fermentation, the yeast is separated from the beer, roller dried and debittered.
  • SUPER FOOD: Brewer’s yeast has naturally occurring protein and several B-vitamins.
  • GENUINE WHOLE FOOD SUPPLEMENT: Produced by cultivation of Saccharomyces cerevisiae in the production of beer.
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
  • Packaged in the USA by a family owned and operated company since 1968.
#9 Real Supplements Rated Best in 2020
Bluebonnet Nutrition Super Earth Brewers Yeast Powder, Super Food, Whole Food, Source for Vitamins, Great Tasting, Vegan, Vegetarian, Non GMO, Gluten Free, Soy Free, Milk Free, Kosher, 1 lb
699 Reviews
Bluebonnet Nutrition Super Earth Brewers Yeast Powder, Super Food, Whole Food, Source for Vitamins, Great Tasting, Vegan, Vegetarian, Non GMO, Gluten Free, Soy Free, Milk Free, Kosher, 1 lb
  • Contains Unflavored, Unsweetened, Unfortified, Non-GMO Brewer's Yeast Powder that is Carefully Grown on Non-GMO Sugar Beet Molasses
  • Nutritional Support ♦
  • 1 lb Powder, 15 Servings
  • Soy-Free, Gluten-Free, Non-GMO Project Verified, Kosher Certified, Dairy-Free, Vegan
  • Free of milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat and soybeans. Also free of corn, gluten, barley and rice.
#10 Real Supplements Rated Best in 2020
Solgar Brewer's Yeast Powder, 14 oz - 2 Pack - Rich Source of Amino Acids, B-Complex Vitamins, Minerals, & Protein - Natural, Unflavored, and Unsweetened - Dairy Free, Vegetarian - 26 Servings
374 Reviews
Solgar Brewer's Yeast Powder, 14 oz - 2 Pack - Rich Source of Amino Acids, B-Complex Vitamins, Minerals, & Protein - Natural, Unflavored, and Unsweetened - Dairy Free, Vegetarian - 26 Servings
  • ALL NATURAL: Solgar Brewer’s Yeast Powder is an all-natural Brewer’s Yeast (Saccharomyces cerevisiae) which is a great source of amino acids, B-Complex Vitamins (B1, B2 & Niacin) as well as other minerals. Premium powder that is unfortified, unflavored, unsweetened and naturally delicious.
  • BENEFITS: Brewer’s Yeast supports healthy digestion as well cardiovascular health. It is also used to help promote healthy weight as well as supports lactation in nursing mothers.
  • SUITABLE FOR VEGETARIANS: Powder is vegan, non-GMO and is free of Soy, artificial flavors, sweeteners, dairy, preservatives and colors.
  • HOW IT’S MADE: Unlike most Brewer’s yeast which is derived from the fermentation of beer with the addition of hops which can impart a bitter taste and odor, Solgar Brewer’s Yeast is produced from beet molasses under carefully controlled conditions. After the fermentation process, the yeast is collected and dried using special techniques to preserve the yeast’s vitamin, protein and mineral content.
  • Pack of (2) 14 Oz. Containers
#11 Real Supplements Rated Best in 2020
2 Pack - Best Naturals 100% Pure Brewers Yeast Powder - 16 oz - Supports for Increased Breast Milk Supply During Breastfeeding, Lactation, Digestive Health
387 Reviews
2 Pack - Best Naturals 100% Pure Brewers Yeast Powder - 16 oz - Supports for Increased Breast Milk Supply During Breastfeeding, Lactation, Digestive Health
  • 3rd Party Lab Tested for Purity & Quality.
  • 30 gram per Serving - 454 (1 LB) pet Container
  • Non-GMO & Gluten-Free.
  • Proudly Packaged in USA, GMP Compliant, FDA Registered Facility.
  • No Artificial Color, Flavor, or Sweetener, No Preservatives, No Sugar, No Milk, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.
#12 Real Supplements Rated Best in 2020
Amazing Nutrition Brewers Yeast Tablets - 7.5 Grain Capsule 500mg 240 Tablets - Supports Healthy Digestion * Promotes Heart Health
1,633 Reviews
Amazing Nutrition Brewers Yeast Tablets - 7.5 Grain Capsule 500mg 240 Tablets - Supports Healthy Digestion * Promotes Heart Health
  • OPTIMAL DOSE OF BREWERS YEAST Brewers yeast 7.5 grain is the frequently recommended dosage. Just two tablets provides 1,000 mg of brewer's yeasts!
  • NUTRIENT RICH Per Serving Of Amazing Nutrition Brewers Yeast Tablets Provides Vitamin B1, B2 And Niacin Plus Probiotics For Digestive Health.
  • HEALTH BENEFITS Brewer's yeast supports cardiovascular health, healthy digestion due to its probiotic properties and promote healthy weight management by helping to increasing the body's ability to metabolize carbohydrates. It supports lactation in nursing mothers and overall well-being
  • All Amazing Formulas products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world.    
  • All our products are proudly made in USA with Guaranteed Purity & Potency. We offer best quality products for the best value. All our products are Third Party Tested. We do not compromise on quality 
Sale#13 Real Supplements Rated Best in 2020
Solgar Brewer's Yeast 7 ½ Grains with Vitamin B 12, 250 Tablets - Rich Source of Amino Acids, B-Complex Vitamins Including B12 & Minerals - Non-GMO, Vegan, Dairy Free, Kosher - 41 Servings
1,137 Reviews
Solgar Brewer's Yeast 7 ½ Grains with Vitamin B 12, 250 Tablets - Rich Source of Amino Acids, B-Complex Vitamins Including B12 & Minerals - Non-GMO, Vegan, Dairy Free, Kosher - 41 Servings
  • Brewer’s Yeast Tablets; Solgar’s Brewer’s Yeast is derived from wheat and barley fermentation
  • With Vitamin B12; Brewer’s Yeast provides a source of amino acids, vitamins, and minerals; This formulation includes B-complex vitamins including vitamin B12 as cyanocobalamin
  • Natural Source; Most Brewer’s Yeasts are derived from the fermentation of beer; Such fermentation involves grains (like rice or wheat), malt, and hops; The yeast is then collected and dried using special techniques to preserve nutrient content
  • Suitable For Vegans; Solgar Brewer Yeast Tablets are free of: dairy, soy, artificial flavor, sweetener, preservatives and color
  • The Gold Standard: For over 70 years, Solgar has been committed to quality, health, and well-being. Our mission is to create the finest nutritional supplements in small batches, through tireless research, using only the finest raw materials
#14 Real Supplements Rated Best in 2020
Brewers Yeast Tablets | 500 Count | 1500mg | Non-GMO & Gluten Free | by Carlyle
26 Reviews
Brewers Yeast Tablets | 500 Count | 1500mg | Non-GMO & Gluten Free | by Carlyle
  • BREWER'S YEAST: Nutrient packed - a source of naturally occuring B-Vitamins & Trace Minerals
  • VEGETARIAN FORMULA: Delivers 1,500 mg of Brewer's Yeast per serving in vegetarian tablets
  • ROOTED IN WELLNESS: Carlyle provides premium, honest supplements in your pursuit to healthy living
  • CARLYLE MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
  • NATURALLY FREE OF: Wheat, Milk, Lactose, Soy, Artificial Flavor, Preservatives & Non-GMO
#15 Real Supplements Rated Best in 2020
Brewers Yeast Flakes for Lactation Cookies, Breastfeeding Supplement to Boost Mother's Milk (1 Pack) - Non Fortified, Unsweetened - Kosher, Gluten Free, Non GMO, Vegan, Plant Based Protein Powder
200 Reviews
Brewers Yeast Flakes for Lactation Cookies, Breastfeeding Supplement to Boost Mother's Milk (1 Pack) - Non Fortified, Unsweetened - Kosher, Gluten Free, Non GMO, Vegan, Plant Based Protein Powder
  • ONLY BREWER'S YEAST WITH FOLATE: Our brewers yeast powder is the only one that contains Folate, the natural form of folic acid. Folate (Vitamin B9) helps bodies make new proteins, support red blood cell growth, and more. It's a popular supplement during pregnancy.
  • LOOKING FOR A NATURAL BOOST IN ENERGY LEVELS?: If so, this amino energy powder is an excellent choice. It's naturally packed with B vitamins, protein, and trace minerals, so it help boost energy levels, muscle development, and recovery from workouts and training.
  • YES, THIS NATURAL PROTEIN POWDER IS GLUTEN-FREE: Most brewer's yeast products are grown on a medium of corn or other grain, so it's not suitable for paleo, keto, or celiac diets. Lewis Labs Brewer’s Yeast is not, so it's gluten-free.
  • SUPPLEMENTS PROUDLY MADE IN THE USA: All of the premium supplements we create are sourced and made in the USA from the finest ingredients. We never cut corners. It’s one the reasons customers have trusted our supplements since 1973.
  • WE STAND BEHIND ALL OF OUR PRODUCTS: When you order today, rest assured knowing that your order is backed by a 30 day money back guarantee. If you’re not satisfied, we’ll take the supplement back for a full refund. No questions asked.
#16 Real Supplements Rated Best in 2020
Brewers Yeast 1000mg 200 Vegetarian Caps (Non-GMO & Gluten-Free)
389 Reviews
Brewers Yeast 1000mg 200 Vegetarian Caps (Non-GMO & Gluten-Free)
  • Each serving delivers 1,000 mg of Brewer's Yeast. Serving size is 2 veg capsules (500 mg per capsule). Max Supply (200 Capsules Per Bottle & a 100 Day Supply). Vegan/Vegetarian, Non-GMO & Gluten-free
  • General Wellness Support *
  • Advanced and superior Brewer's Yeast Supplement using high-quality sourcing and innovation
  • Manufactured in the USA , in a cGMP registered facility with the highest manufacturing and sourcing standards.
  • Our formulations are crafted with high quality, clean and non-GMO ingredients and care for the customers' wellness.
#17 Real Supplements Rated Best in 2020
Best Naturals Brewers Yeast 500mg 240 Tablets (1000mg Serving) - 3rd Party Lab Tested for Quality & Purity
60 Reviews
Best Naturals Brewers Yeast 500mg 240 Tablets (1000mg Serving) - 3rd Party Lab Tested for Quality & Purity
  • 3rd Party Lab Tested for Purity & Quality.
  • 500 mg of Brewers Yeast per Tablet, 240 Tablets per Bottle.
  • Non-GMO & Gluten-Free.
  • Proudly Made in USA, GMP Compliant, FDA Registered Facility.
  • No Artificial Color, Flavor, or Sweetener, No Preservatives, No Sugar, No Milk, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.
#18 Real Supplements Rated Best in 2020
Lewis Labs Brewer's Yeast Flakes | Beer Yeast is A Rich Source of Amino Acids, B-Complex Vitamins, Minerals & Protein | Our Pure Bakers Yeast is Vegan, Keto, Paleo Friendly | Unsweetened, 2 Pack
920 Reviews
Lewis Labs Brewer's Yeast Flakes | Beer Yeast is A Rich Source of Amino Acids, B-Complex Vitamins, Minerals & Protein | Our Pure Bakers Yeast is Vegan, Keto, Paleo Friendly | Unsweetened, 2 Pack
  • ONLY BREWER'S YEAST WITH FOLATE: Our brewers yeast powder is the only one that contains Folate, the natural form of folic acid. Folate (Vitamin B9) helps bodies make new proteins, support red blood cell growth, and more. It's a popular supplement during pregnancy.
  • LOOKING FOR A NATURAL BOOST IN ENERGY LEVELS?: If so, this amino energy powder is an excellent choice. It's naturally packed with B vitamins, protein, and trace minerals, so it help boost energy levels, muscle development, and recovery from workouts and training.
  • YES, THIS NATURAL PROTEIN POWDER IS GLUTEN-FREE: Most brewer's yeast products are grown on a medium of corn or other grain, so it's not suitable for paleo, keto, or celiac diets. Lewis Labs Brewer’s Yeast is not, so it's gluten-free.
  • SUPPLEMENTS PROUDLY MADE IN THE USA: All of the premium supplements we create are sourced and made in the USA from the finest ingredients. We never cut corners. It’s one the reasons customers have trusted our supplements since 1973.
  • WE STAND BEHIND ALL OF OUR PRODUCTS: When you order today, rest assured knowing that your order is backed by a 30 day money back guarantee. If you’re not satisfied, we’ll take the supplement back for a full refund. No questions asked.
#20 Real Supplements Rated Best in 2020
wellit Black B Biotin 900mcg Brewer's Yeast 2000mg Supplement Sticks I Biotin I Brewer's Yeast I Vitamin B Complex I for Rich Healthy Hair I 30 pcs I Korean Food I K Food I Made in Korea
4 Reviews
wellit Black B Biotin 900mcg Brewer's Yeast 2000mg Supplement Sticks I Biotin I Brewer's Yeast I Vitamin B Complex I for Rich Healthy Hair I 30 pcs I Korean Food I K Food I Made in Korea
  • BIOTIN FOR YOUR RICH HAIR: To prevent becoming bald, It is important to have a balanced diet of various ingredients. wellit black B consists of ingredients such as Biotin, Brewer’s Yeast, and 8 types of Vitamin B that help your hair grow.
  • STRENGTHEN YOUR HAIR: Is your hair getting thinner? Brewer’s yeast can provide energy and may help maintain healthy hair. It may be effective at supporting your hair system that contains a lot of 2000mg
  • 12 KINDS of ESSENTIAL NUTRIENTS FOR HAIR: Vitamin B1, Vitamin B2, Vitamin B3, Vitamin B5, Vitamin B6, Vitamin B7, Vitamin B9, Vitamin B12, L-Cystine, L-Methionine, Selenium, Zinc are included, so you can get all these nutrients with just 1 stick!
  • PERFECT FOR: Someone who wants to take care of their healthy hair. someone who is concerned about the side effects. Someone who feels that expensive shampoo products are not enough.
  • HOW TO CONSUME: Take just one stick a day. Each serving contains 900 mcg of Biotin and that’s enough! A serving a day offers a variety of nutrients including vitamin B complex, selenium, and zinc. You can be sure that it will maintain and improves your healthy hair.

Brewer’s Yeast Explained: Beer to Benefit

Loose weight, improve your sleep, help your allergies and improve your immune system with beneficial yeast.  This tiny, single-celled fungus comes from the brewing beer. Surprisingly, this bi-product has shown many benefits from insomnia to improving breast milk production.

  • Loaded with vitamins, minerals and protein
  • Supplements fiber, selenium, and B vitamins
  • Improve and aid in digestion
  • Enhance your immune system
  • Increase the milk supply in breastfeeding

Benefits of Brewer’s and Nutritional Yeasts
1) Brewer’s Yeast is Beneficial for Type 2 Diabetes
Brewers yeast is naturally rich in glucose tolerance factor (GTF), a compound that contains a biologically-active form of chromium [R].

GTF decreased blood sugar, triglyceride, and LDL (“bad”) cholesterol levels and increased levels HDL (“good”) cholesterol in diabetic rats and humans with type 2 diabetes [R].

It also prevents kidney and eye damage in diabetic animals [R].

Glucose tolerance factor achieves these effects by mimicking insulin. It can:

activate proteins involved in insulin signaling pathways [R]
enhance glucose transport [R]
promote glycogen storage [R]

Glucose tolerance factor also enhances the activity of insulin by helping it bind to cells [R,R].

2) Brewer’s and Nutritional Yeast Help with Weight Loss
In a study (DB-RCT) of 54 obese men and women, brewer’s yeast reduced body weight and stomach fat without any negative effects on lean body mass [R].

These results coincide with data from previous animal and human studies (DB-RCT) showing decreased body weight and body fat after yeast supplementation [R, R].

Yeast (from S.cerevisiae) reduces the hunger hormone ghrelin in mice, which may partly explain the loss in body weight [R, R].

It also decreases fat production by reducing the activity of liver enzymes required for making fatty acids [R].

In addition, nicotinamide riboside (found in brewer’s and nutritional yeast) increases enzymes involved in fat burning (sirtuins) and energy usage, thereby increasing weight loss [R].

3) Brewer’s and Nutritional Yeasts May Prevent Heart Disease

A diet rich in brewer’s or nutritional yeasts may lower the risk of heart disease by improving cholesterol and blood pressure levels [R, R, R].

Brewer’s and nutritional yeasts contain many cholesterol-lowering vitamins and minerals:

Beta-glucans [R]
Niacin (which also increases HDL levels) [R]
Nicotinamide riboside [R]
Glucose tolerance factor (only in Brewer’s yeast) [R]
Consuming brewer’s yeast daily lowered LDL cholesterol and triglyceride levels and increased HDL cholesterol in type 2 diabetic patients with high blood cholesterol [R].

Aside from lowering cholesterol, brewer’s yeast also reduces blood pressure. One study (DB-RCT) in 90 adults with type 2 diabetes found that brewer’s yeast significantly lowered both diastolic and systolic blood pressure [R].

The high amounts of potassium, magnesium, and calcium in brewer’s and nutritional yeasts may explain this reduction in blood pressure. According to some studies, a greater intake of these minerals can reduce the risk of high blood pressure, heart disease, and stroke [R, R].

Brewer’s and nutritional yeasts also contain proteins that help decrease blood pressure by decreasing the activity of angiotensin-converting enzyme (ACE). A higher activity of this enzyme is linked to high blood pressure [R, R, R].

4) Brewer’s and Nutritional Yeasts are Good for the Gut
S. cerevisiae helps promote optimal gut function by:

Clearing away bad bacteria while supporting good bacteria [R, R, R, R, R, R]
Preventing harmful bacteria and fungal toxins from sticking to the intestines [R, R, R, R, R]
Aiding nutrient absorption by increasing gut surface area [R, R]
Breaking down phytate, which increases the absorption of minerals like iron, zinc, calcium, and magnesium [R, R, R]
Preserving gut barrier integrity [R, R, R]
Decreasing inflammation [R]
Fighting infections [R]
Many of these effects are mediated by the presence of prebiotics and probiotics in S.cerevisiae (i.e. beta-glucans and mannan oligosaccharides as well as nucleotides [R, R, R].

Because of this, S.cerevisiae may help treat some gut diseases.Brewer’s yeast improved the outcome of C. difficile-associated diarrhea in animals and humans [R, R].

S.cerevisiae also eased stomach pain and discomfort in patients with irritable bowel syndrome (IBS) disease in one study (DB-RCT) [R].

However, Saccharomyces boulardii is the only variant of S. cerevisiae currently approved for probiotic use in humans because of its clinical effectiveness in treating diarrhea and other gut disorders [R, R].

5) Brewer’s and Nutritional Yeast Boost the Immune System
Beta-glucans (sugars found in the cell walls of yeast, bacteria, and fungi) can activate the immune system and boost immune response [R].

These sugars enhance the function of the main cells in the innate immune system including macrophages, neutrophils, and natural killer cells [R].

Beta-glucans bind to specific receptors on these cells, initiating a wide variety of beneficial immune responses (e.g., anti-inflammatory cytokine production) [R].

However, not all beta-glucans are equal. Beta-glucans derived from different sources have unique structures that result in different effects [R].

Research indicates that beta glucans from yeast (i.e., beta-1–3-glucan) have the greatest capacity to activate the immune system [R].

Beta-glucans derived from S.cerevisiae have shown promising results including:

Reduced incidence of bacterial, viral, and fungal infection in mice and humans [R, R, R, R]
Decreased allergy symptoms in mice and humans [R, R, R]
Reduced occurrence of post-operative infection in animals and humans [R]
Decreased inflammation and faster wound healing in animals and humans [R, R, R]
Reduced rate of cancer tumor size and growth in animals [R]
Increased regeneration of white blood cells after radiation in mice [R]
Decreased inflammation in mouse models of arthritis [R]
6) Brewer’s and Nutritional Yeasts have Anti-Cancer Effects
Brewer’s and nutritional yeasts contain ergosterol, a compound that inhibits the growth of human breast cancer cells [R].

One study found that S.cerevisiae killed breast cancer cells by causing programmed cell death (apoptosis) [R].

Brewer’s and nutritional yeasts are excellent sources of selenium, a mineral that has anti-cancer effects [R].

7) Brewer’s and Nutritional Yeasts May Enhance Energy Levels and Improve Mood
S.cerevisiae is a natural dietary source of nucleotides. Nucleotides enhanced endurance and post workout recovery in athletes (DB-RCT), indicating that brewer’s and nutritional yeast may be used to reduce fatigue [R, R].

Patients with chronic fatigue syndrome are often deficient in many nutrients, which can worsen symptoms. A nutritional supplement based on brewer’s yeast (Nagipol) improved cognitive function and mood in chronic fatigue syndrome patients. These effects suggest that brewer’s yeast may be a useful treatment for this disorder [R, R].

Brewer’s and nutritional yeast contains lithium, an element traditionally used to treat mood disorders. Naturally lithium-rich brewer’s yeast improved mood in former drug users (DB-RCT) [R].

8) Brewer’s and Nutritional Yeasts May Promote Healthy Skin
Cosmetic products containing S.cerevisiae extract improved skin moisture, brightness, and smoothness in volunteers [R].

These effects likely stem from the abundant amount of proteins, beta-glucans, vitamins and minerals in S.cerevisiae that have wound healing, hydrating, and antioxidant properties [R, R, R].

9) Brewer’s and Nutritional Yeasts May Improve Brain Health and Cognitive Function
Brewer’s and nutritional yeast are natural sources of nicotinamide riboside, a form of vitamin B3 that is a precursor to nicotinamide adenine dinucleotide (NAD) [R].

Nicotinamide riboside can safely raise levels of NAD in animals and humans [R].

Higher levels of NAD protect nerve cells and may prevent neurodegenerative disease [R, R].

Increasing NAD levels with nicotinamide riboside restored cognitive function in a mouse model of Alzheimer’s disease [R].

In addition, nicotinamide riboside slowed axonal degeneration in cells by stimulating NAD pathways. Preventing axonal damage can help preserve brain cells after injury [R].

10) Brewer’s and Nutritional Yeast May Protect Against Hearing Loss

Nicotinamide riboside, a form of vitamin B3 found in brewer’s and nutritional yeasts, prevented noise-induced hearing loss in mice. It reduced nerve cell damage caused by noise exposure [R].

11) Brewer’s and Nutritional Yeasts May Promote a Healthy Pregnancy
S.cerevisiae is a rich dietary source of folate, a vitamin that helps prevent major birth defects [R, R].

Oxidative stress is a major factor in preeclampsia, a pregnancy disorder that results in complications to the mother and fetus. S. cerevisiae reduced oxidative stress in maternal cord red blood cells, indicating that it may be useful in reducing oxidative damage to the pre-eclamptic fetus [R, R].

12) Brewer’s Yeast Alleviates Premenstrual Syndrome
Brewer’s yeast in combination with vitamins and minerals relieved premenstrual pain in 40 patients with mild to moderate premenstrual syndrome [R].

13) Brewer’s and Nutritional Yeast Have Anti-Aging Properties
Nicotinamide riboside (which is found in brewer’s and nutritional yeast) extended the lifespan of yeast by increasing NAD synthesis and sirtuin activity [R].

It also promoted longevity in mice by improving mitochondrial function. Mitochondrial dysfunction is a key component in aging [R, R].

14) Brewer’s and Nutritional Yeasts May Improve Thyroid Function
Brewer’s and nutritional yeasts are good sources of selenium, a mineral essential for thyroid gland function and thyroid hormone production. Selenium supplementation decreases anti-thyroid antibody levels in patients with Hashimoto’s disease [R, R, R].

Selenium treatment also restores thyroid gland function in Grave’s disease patients [R, R].

15) Brewer’s and Nutritional Yeasts May Promote Fertility
Brewer’s and nutritional yeast contain zinc, a mineral critical for male reproductive health. Increasing zinc levels in infertile men improves sperm count, quality of sperm, and male fertility [R, R].


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