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Mega B-150

product on market Unknown Vitamin World Safety: 84/100
84/100

This product is generally safe

  • Niacin: 150mg is 4.3× the Tolerable Upper Intake Level (35mg)
  • Folic Acid: 400mg is 400.0× the Tolerable Upper Intake Level (1.0mg)
  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 75% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This supplement contains a complex of B vitamins that support energy metabolism and neurological function. There is strong research evidence for the roles of thiamine, riboflavin, and niacin in cellular health. However, the overall evidence coverage for this specific formulation is limited.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Niacin: 150mg is 4.3× the Tolerable Upper Intake Level (35mg)

Folic Acid: 400mg is 400.0× the Tolerable Upper Intake Level (1.0mg)

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for Mega B-150
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Caplet(s)
Serving Size
Botanical with Nutrients
Product Type
75%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

150 mg (10000% DV)
125.0× RDA — above typical dose 76 studies (A:0, B:33)
150 mg (8824% DV)
115.4× RDA — above typical dose 13 studies (A:0, B:1)
150 mg (750% DV)
Exceeds UL by 4.3× (UL: 35 mg) 196 studies (A:5, B:63)
100 mg (5000% DV)
76.9× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
400 mg (100% DV)
Exceeds UL by 400.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
150 mcg (2500% DV)
62.5× RDA — above typical dose 139 studies (A:1, B:44)
150 mcg (50% DV)
5.0× RDA — above typical dose 27 studies (A:0, B:11)
150 mcg (1500% DV)
Market median: 9.0mg (620 products) 2 studies — no high-quality reviews
Within RDA (0.3× RDA) 38 studies (A:1, B:7)
150 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
150 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
Proprietary Blend
7.5 mg

Other Ingredients

Vegetable Cellulose Dicalcium Phosphate Mannitol Calcium Silicate Vegetable Magnesium Stearate Vegetable Cellulose Coating
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

DIRECTIONS: For adults, take one (1) caplet daily,preferably with a meal.

Warnings & Precautions

WARNING: If you are pregnant, nursing or taking any medications, consult your doctor before use. Discontinue use and consult your doctor if any adverse reactions occur. Keep out of reach of children. Store in a cool, dry place. Do not use if seal under cap is broken or missing.

Formulation Notes

No Artificial Color or Flavor, No Preservatives, No Sugar, No Starch, No Milk, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.

Vegetarian Vitamin Supplement

Additional Information

PROD. #585 B6059 09C

Promotes Energy Metabolism*

Supports Heart Health*

Vitamin World products are subject to critically stringent quality assurance analysis. Our state-of-the-art laboratory, manufacturing and packaging facilities insure the highest quality nutritional supplements money can buy. Your health & safety are our first priority!

QUALITY ASSURED

Get healthy.

Metadata

Product Details

UPC / SKU0 74312 73802 9
DSLD Entry Date2011-10-26
Product TypeBotanical with Nutrients
FormUnknown
DSLD ID909
Data Updated2026-04-11
Research

Research Evidence

100
Research Sources
56
Avg Quality
48
Systematic Review
30
Meta Analysis
13
Rct
6
Clinical Trial
1
Cochrane Review
1
Regulatory Source
B Thiamine for prevention and treatment of Wernicke-Korsakoff Syndrome in people who abuse alcohol
Systematic Review The Cochrane database of systematic reviews 2013 PubMed DOI
B Efficacy of B-vitamins and vitamin D therapy in improving depressive and anxiety disorders: a systematic review of randomized controlled trials
Systematic Review Nutritional neuroscience 2023 PubMed DOI
B Effect of thiamine supplementation on glycaemic outcomes in adults with type 2 diabetes: a systematic review and meta-analysis
Meta Analysis BMJ open 2022 PubMed DOI
B Effect of intravenous thiamine administration on critically ill patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2024 PubMed DOI
B Effect of adjunctive vitamin C, glucocorticoids, and vitamin B1 on longer-term mortality in adults with sepsis or septic shock: a systematic review and a component network meta-analysis
Systematic Review Intensive care medicine 2022 PubMed DOI
B Effect of Combined Diclofenac and B Vitamins (Thiamine, Pyridoxine, and Cyanocobalamin) for Low Back Pain Management: Systematic Review and Meta-analysis
Meta Analysis Pain medicine (Malden, Mass.) 2020 PubMed DOI
B Thiamine, Ascorbic Acid, and Hydrocortisone As a Metabolic Resuscitation Cocktail in Sepsis: A Meta-Analysis of Randomized Controlled Trials With Trial Sequential Analysis
Meta Analysis Critical care medicine 2021 PubMed DOI
B The effects of thiamine supplementation on patients with heart failure: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Complementary therapies in medicine 2022 PubMed DOI
B Hydrocortisone Combined with Vitamin C and Thiamine in the Treatment of Sepsis/Septic Shock: A Systematic Review with Meta-Analysis and Trial Sequential Analysis
Meta Analysis Clinical and investigative medicine. Medecine clinique et experimentale 2023 PubMed DOI
B Thiamine for Wernicke-Korsakoff Syndrome in people at risk from alcohol abuse
Systematic Review The Cochrane database of systematic reviews 2004 PubMed
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.