Brewers Yeast

product on market Powder Twinlab 🟢 Safety: 100/100
Brand: Twinlab
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 58% of ingredients have research evidence
A Label Compliance Grade

Product Label

📄 Open Full PDF View on NIH DSLD →
📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

16 Gram(s) Serving Size
31 Servings
Other Combinations Product Type
58% Evidence Coverage

Supplement Facts — Evidence Check

Calories
60 Calorie(s)
Total Carbohydrate
6 Gram(s) (2% DV)
Protein
7 Gram(s) (14% DV)
0.45 mg (38% DV)
✅ Within RDA (0.4× RDA of 1.2 mg) 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 0.45mg
0.26 mg (20% DV)
✅ Within RDA (0.2× RDA of 1.3 mg) 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 0.26mg
2 mg NE (13% DV)
✅ Within RDA (0.1× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 2mg UL 35mg
0.12 mcg (7% DV)
📊 Market median: 10.0mg (1576 products) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 0.00011999999999999999mg UL 100mg
80 mcg (20% DV)
✅ Within RDA (0.2× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.08mg UL 1.0mg
12 mcg (20% DV)
✅ Within RDA (0.4× RDA of 0.03 mg) 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.012mg
0.4 mg (8% DV)
✅ Within RDA (0.1× RDA of 5 mg) 📚 1 studies — no high-quality reviews
RDA 5mg This product: 0.4mg
Iron
0.72 mg (4% DV)
100 mg (8% DV)
✅ Within RDA (0.1× RDA of 700 mg) 📚 12 studies (Tier A: 0, B: 3)
RDA 700mg This product: 100mg UL 4000mg
16 mg (4% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 16mg
2.25 mg (20% DV)
✅ Within RDA (0.2× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 2.25mg UL 40mg
0.08 mg (9% DV)
✅ Within RDA (0.1× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 0.08mg UL 10mg
80 mcg (3% DV)
📊 Market median: 10.0mg (102 products) 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 0.08mg UL 11mg
30 mcg (86% DV)
✅ Within RDA (0.9× RDA of 0.035 mg) 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.03mg
Sodium
60 mg (3% DV)
Potassium
120 mg (3% DV)

Other Ingredients

Debittered Brewer’s Yeast

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (48% of products) No Claim (1% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

You can sprinkle it on food, use it as a seasoning or mix it with milk, juices, soups, gravies, and casseroles. Directions: Take 1 heaping tablespoon daily mixed in milk, cereal or juice. Also add to cooking and backing recipes to boost nutritional content.

⚠️ Warnings & Precautions

Warning: If you are pregnant or nursing, taking any medication, or have any medical condition, consult a health care professional before use.

Keep out of reach of children.

🧪 Formulation Notes

Bottled and packaged in the USA

Twinlab Genuine Brewers Yeast has been recognized as a storehouse of natural nutrients. One heaping tablespoon provides amino acids, vitamins, minerals and trace elements.

No artificial colors, flavors, or preservatives added.

Supports energy production

Mild tasting

Bottled & Produced in the USA with USA and Imported Ingredients

Additional Information

Keep in a cool, dry place.

This product is sold by weight only, not by volume. Some settling may occur in shipping and handling.

Best if used by date shown on bottle.

Instagram @Twinlab Facebook TwinlabVitamins

New look, same great formula

Product Details

UPC / SKU 0 27434 01102 0
DSLD Entry Date 2022-06-16
Product Type Other Combinations
Form Powder
Brand Twinlab
DSLD ID 268463
Data Updated 2026-04-11

Research Evidence

22 Research Sources
49 Avg Quality Score
8 Rct
4 Meta Analysis
4 Clinical Trial
3 Systematic Review
1 Cochrane Review
1 Regulatory Source
B Effect of vitamin B2, vitamin C, vitamin D, vitamin E and folic acid in adults with essential hypertension: a systematic review and network meta-analysis
Systematic Review BMJ open 2024
PubMed DOI
B Effect of Vitamin B2 supplementation on migraine prophylaxis: a systematic review and meta-analysis
Meta Analysis Nutritional neuroscience 2022
PubMed DOI
B Supplementary vitamin E, selenium, cysteine and riboflavin for preventing kwashiorkor in preschool children in developing countries
Systematic Review The Cochrane database of systematic reviews 2010
PubMed DOI Cochrane
B Riboflavin supplements for blood pressure lowering in adults.
Cochrane Review The Cochrane database of systematic reviews
PubMed DOI Cochrane
B Associations of dietary vitamin B1, vitamin B2, vitamin B6, and vitamin B12 with the risk of depression: a systematic review and meta-analysis
Meta Analysis Nutrition reviews 2022
PubMed DOI
C Prophylaxis of migraine headaches with riboflavin: A systematic review
Systematic Review Journal of clinical pharmacy and therapeutics 2017
PubMed DOI
C Medium-dose riboflavin as a prophylactic agent in children with migraine: a preliminary placebo-controlled, randomised, double-blind, cross-over trial
Rct Cephalalgia : an international journal of headache 2010
PubMed DOI
C The efficacy of 2 different phakic intraocular lens implant in keratoconus as an isolated procedure or combined with collagen crosslinking and intra-stromal corneal ring segments: a systematic review and meta-analysis
Meta Analysis International ophthalmology 2023
PubMed DOI
C Epithelium-off photochemical corneal collagen cross-linkage using riboflavin and ultraviolet a for keratoconus and keratectasia: a systematic review and meta-analysis
Meta Analysis The ocular surface 2014
PubMed DOI
C Improvement of migraine symptoms with a proprietary supplement containing riboflavin, magnesium and Q10: a randomized, placebo-controlled, double-blind, multicenter trial
Rct The journal of headache and pain 2015
PubMed DOI
View all evidence for Riboflavin →

Compare Similar Products

Riboflavin Vitamin B2 USP PureBulk.com 100
Riboflavin 5 Phosphate Vitamin B2 PureBulk.com 100
Vitamin B2 Powder
Vitamin B2 Powder Dr. Clark Research Association Dr. Clark Zentrum 100
Riboflavin (Vitamin B2) BulkSupplements.com 100
Riboflavin (Vitamin B2) BulkSupplements.com 100
View all Riboflavin products →
Riboflavin research & evidence Best Riboflavin rankings All Riboflavin products More from Twinlab View on NIH DSLD →